How many ounces in a kg...? Mcqs

PPSC Past Papers

Latest MCQs

How many ounces in a kg...?

(A) 28
(B) 30

(C) 33
(D) 35

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What is produced when fuel is burned...?

(A) Carbon monoxide gas
(B) Methane gas

(C) Carbon dioxide gas
(D) Helium gas

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In following reaction the glucose produced by plant is stored in which special forms: 6CO2 + 6H2O → C6H12O6 + 6O2...?

(A) Cellulose
(B) Starch

(C) Protein
(D) Lipid

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A human baby is similar to human beings. The property due to which similar characteristics are transformed from the parents to their young once is termed as...?

(A) Genes
(B) Heredity

(C) Adaptation
(D) None

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Among the following, which substance is not a compound...?

(A) H2O
(B) Mg

(C) CO2
(D) NaCl

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The process by which kidney stones are crushed with shock waves is called...?

(A) Laparoscopy
(B) Dementia

(C) Lithotripsy
(D) None of these

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Sodium carbonate is produced by____________...?

(A) haber process
(B) Amonia solvay process

(C) decons process
(D) lead chamber process

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One mega ohm resistance is equal to ______...?

(A) 106 ohm
(B) 108 ohm

(C) 107 ohm
(D) 10-6 ohm

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The source of the Sun’s energy is the process of ____________...?

(A) Photoelectric emission
(B) Nuclear fission

(C) Nuclear fusion
(D) Thermionic emission

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Rate of evaporation of a liquid can be increased by _____...?

(A) Increasing humidity
(B) Decreasing temperature

(C) Increasing its boiling point
(D) Decreasing atmospheric pressure

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The snow on the mountains does NOT melt all at once when it is heated by the sun because:...?

(A) it becomes very hard
(B) it reflects most of the heat from the sun

(C) it has a low specific heat capacity
(D) it has a high latent heat of fusion

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The _____ is the largest natural source of light...?

(A) Sun
(B) Moon

(C) Star
(D) None of these

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Types of bones in human body are: Long, short, irregular and ____________...?

(A) Flat
(B) Medium

(C) Regular
(D) Rough

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Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________...?

(A) ionic substances
(B) metallic substances

(C) molecular solids
(D) covalent network solids

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The maximum mass of an atom is concentrated in _____...?

(A) Electron
(B) Proton

(C) Neutron
(D) Nucleus

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A type of cell division in which spore mother cell produce spores...?

(A) Amitosis
(B) Mitosis

(C) Meiosis
(D) Both A and B

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Spinach leaves are rich source of________...?

(A) Amino acid
(B) Iron

(C) Vitamin E
(D) Carotene

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If an Opaque object is moved closer to the light source the shadow gets _______...?

(A) Smaller
(B) Very Smaller

(C) Bigger
(D) Older

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Keeping oneself clean is called...?

(A) Sanitation
(B) Hygiene

(C) Cleanliness
(D) Grooming

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When water vapours are cooled, energy will be released and gaseous state will convert into liquid water. This process is known as...?

(A) Evaporation
(B) Condensation

(C) Melting
(D) Freezing

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The unicellular structure, responsible for asexual reproduction without fusion is ______...?

(A) Pores
(B) Spores

(C) Gametes
(D) Pollen grains

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How many time zones are there in the world...?

(A) 22
(B) 12

(C) 16
(D) 24

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Which of the following harmonics is two octaves higher in pitch than the fundamental...?

(A) Second
(B) Third

(C) Fourth
(D) Fifth

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Roots, stem and leaves produce their offspring through _____...?

(A) Sexual Reproduction
(B) Fragmentation

(C) Binary Fission
(D) Asexual Reproduction

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The vitamin Folate works together with __________ to produce new red blood cells...?

(A) Vitamin D
(B) Vitamin A

(C) Vitamin B-12
(D) None of the above

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What is the element required for solar energy conversion ______...?

(A) Ultra pure carbon
(B) Silicon

(C) Beryllium
(D) Tantalum

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The heaviest man made element found so for is__________...?

(A) Promethium
(B) Ununoctium

(C) Francium
(D) Technetium

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Magnifying power of a simple microscope can be increased by ...?

(A) increasing focal length of the lens
(B) Decreasing focal length of the lens

(C) Lens of large aperture
(D) lens of short aperture

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The main categories in which science is divided into, are ____...?

(A) 6
(B) 5

(C) 4
(D) 2

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The number of vibrations produced by a vibrating body in a second is called...?

(A) Velocity
(B) Amplitude

(C) Frequency
(D) Wavelength

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Which type of reaction produces the most harmful radiation...?

(A) Fusion reaction
(B) Fission reaction

(C) Chemical reaction
(D) Photo-Chemical reaction

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Year is longest on : _____________...?

(A) Mercury
(B) Venus

(C) Mars
(D) The Earth

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A method which is used to separate coloured chemicals or substances, especially dyes is known as...?

(A) Filtration
(B) Sublimation

(C) Paper chromatography
(D) Distillation

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Star gets denser and hotter ultimately changing into helium by process of ____...?

(A) Nuclear fusion
(B) Nuclear Fission

(C) Radioactive decay
(D) Chemical reaction

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When was the polio vaccine first launched in Pakistan...?

(A) 1961
(B) 1974

(C) 1988
(D) 1994

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The M.K.S. system was first introduced by _________ ...?

(A) Giorgi
(B) Archimedes

(C) Eienstein
(D) Newton

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Substances that react with both acids and bases are called...?

(A) Conjugate acids
(B) Conjugate bases

(C) Amphoteric substances
(D) Buffers

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Animal that eat the producers (plants) are called...?

(A) Primary Consumers
(B) Secondary Consumers

(C) Tertiary Consumers
(D) None of these

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The floral part that produces pollen grains is:...?

(A) Sepal
(B) Petal

(C) Anther
(D) Ovary

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In an oxidation process 14135KJ energy is release, how many moles of glucose consume during this process...?

(A) 1
(B) 3

(C) 5
(D) 10

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Two resistances of 6 Ω and 12 Ω are connected in parallel. Their net resistance is ______...?

(A) 7 Ω
(B) 6 Ω

(C) 4 Ω
(D) 5 Ω

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Which living thing would decrease, if the number of frogs increased...?

(A) Hawks
(B) Snakes

(C) Plants
(D) None

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Which of the following is the world’s loudest bird ...?

(A) White bellbird
(B) Peacock

(C) Piha
(D) None of the above

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The phenomenon which leads to destruction of manmade structure and metal of archaeological importance is ____...?

(A) Hydrogen
(B) Oxygen

(C) Acid Rain
(D) Nitrogen

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What is the main component of bones and teeth...?

(A) Calcium carbonate
(B) Calcium phosphate

(C) Calcium sulphate
(D) Calcium nitrate

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What is a Geiger Counter used to measure...?

(A) Radioactivity
(B) Pressure

(C) Water flow
(D) None of these

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Which animal can live longest without water...?

(A) Elephant
(B) Cat

(C) Rat
(D) Camel

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A change that alters the composition of a substances is known as ____...?

(A) Physical Change
(B) Nuclear Change

(C) Chemical Change
(D) Biological Change

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Red blood corpuscles are formed in the____________...?

(A) Liver
(B) Bone marrow

(C) Kidneys
(D) Heart

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How many bones are in Human Skull...?

(A) 22
(B) 25

(C) 26
(D) None of these

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Which of the following is NOT a renewable energy source...?

(A) Solar energy
(B) Natural gas

(C) Hydro energy
(D) Wind energy

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Founder of modern astronomy was _________________...?

(A) Archimedes
(B) William Gilbert

(C) Nicolas Copernicus
(D) Michael Faraday

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Which are consumers that eat both producers and consumers...?

(A) Omnivores
(B) Herbivores

(C) Carnivores
(D) None

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Seeds is produced by ___...?

(A) pollen tube
(B) thalamus

(C) ovules
(D) none of these

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How long does it take for the moon to orbit the earth once...?

(A) 26.3 days
(B) 27.3 days

(C) 28.3 days
(D) 30.3 days

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Organisms that eat all the dead and waste products of producers and consumers are called...?

(A) Producers
(B) Consumers

(C) Decomposers
(D) None

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Which takes place when sex cells are divided and gametes are formed during the process of reproduction in humans...?

(A) Mitosis
(B) Respiration

(C) Meiosis
(D) Photosynthesis

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Which of the following source of energy is caused by uneven heating of earth’s surface...?

(A) Wind
(B) Solar

(C) Biomass
(D) None of these

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Recognize the factor which does not affect the process of photosynthesis...?

(A) O2
(B) CO2

(C) H20
(D) Light

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Trypsin is an enzyme which digests protein produced by_____________...?

(A) Liver
(B) Pancreas

(C) Stomach
(D) Small intestine

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When oil and gas resources are burnt they kill many forests and lakes by ________________ ...?

(A) deforestation
(B) water pollution

(C) acid rain
(D) forest fire

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Which three conditions are necessary for seed germination...?

(A) Water, Light, and Humidity
(B) Water, Nutrients, and Darkness

(C) Water, Carbon Dioxide, and Pressure
(D) Water, Oxygen, and Proper Temperature

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Trace the correct pathway of protein produce from protein factories...?

(A) RER → Ribosome → Golgi body → Lysosome
(B) Ribosomes → RER → Golgi body → Lysosome

(C) Golgi body → RER → Ribosome → Lysosome
(D) RER → Ribosome → Lysosome → Golgi body

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In the periodic table, columns is considered to be a ____...?

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

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A state of stress caused by concern for the earth’s environment is called...?

(A) Eco-anxiety
(B) Eco-fear

(C) Eco-depression
(D) Eco-alarm

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During which process does heat transfer occur because of density differences__________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None of these

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The multiplication of new cells takes place by a process known as _____...?

(A) Cell Division
(B) Cell Growth

(C) Cell Differentiation
(D) Cell Specialization

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How many pounds in a kg...?

(A) 2.20
(B) 2.30

(C) 2.40
(D) 2.50

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Which mineral is required in a lesser amount for body function and is also part of bones...?

(A) Calcium
(B) Phosphorus

(C) Potassium
(D) Magnesium

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Nervous system includes which of these major components...?

(A) Brain
(B) Brain & Back Bone

(C) brain, spinal cord and neurons
(D) None

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Select the correct sequence of biological organization...?

(A) Atom → Cell → Tissue → Molecule → Organ
(B) Atom → Tissue → Cell → Molecule → Organ

(C) Atom → Molecule → Cell → Tissue → Organ
(D) Atom → Cell → Molecule →Tissue → Organ

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What type of energy wind produces which is used to rotate the blades of fan of energy system...?

(A) Potential energy
(B) Kinetic energy

(C) Thermal energy
(D) Electrical energy

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Once you have the data, you may need to perform _____ analysis....?

(A) Mathematical
(B) Qualitative

(C) Quantitative
(D) Logical

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Basidiospores are considered to be a major source of ___________...?

(A) airborne allergens
(B) water borne allergens

(C) animal faeces
(D) bio-weapon

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An undesirable change in the characteristics of air, water and land environment that is harmful to humans and living things is known as...?

(A) Pollutant
(B) Pollution

(C) Climate Change
(D) Global Warning

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Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth’s surface...?

(A) Ionosphere, Mesosphere, Stratosphere, Troposphere
(B) Mesosphere, Stratosphere, Ionosphere, Troposphere

(C) Troposphere, Stratosphere, Mesosphere, Ionosphere
(D) Troposphere, Ionosphere, Stratosphere, Mesosphere

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Sedimentary rocks are formed by natural process known as ...?

(A) Lithification
(B) Rejuvenation

(C) Hydration
(D) Peroxidation

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Fruit plant that flowers only once in lifetime...?

(A) Mango
(B) Ground Nut

(C) Banana
(D) Peach

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Which of the following has not involuntary muscles...?

(A) Bigestive System
(B) Blood Vessels

(C) Heart
(D) Brains

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Which one is non flowering plant _______...?

(A) Moss
(B) Jasmine

(C) Sun Flower
(D) None of these

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Yeast is used in making bread because it produces____________...?

(A) Carbon dioxide
(B) Sugar

(C) Bacteria
(D) Oxygen

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When animals and plants are decayed in absence of air, there produces a gas called...?

(A) Natural Gas
(B) CNG

(C) LPG
(D) Biogas

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Stability of a racing car is increased by _______...?

(A) Increasing its height
(B) Raising its centre of gravity

(C) Decreasing its width
(D) Lowering its centre of gravity

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Which of the following statements is true about escape velocity...?

(A) Escape velocity is independent of the mass of the planet
(B) Escape velocity is independent of the mass of the escaping object

(C) Escape velocity decreases with an increase in the radius of the planet
(D) Escape velocity depends on the shape of the planet

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What is the process of artificial rain...?

(A) Cloud baring
(B) Cloud seeding

(C) Both A and B
(D) None

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The blueness of the sky is mainly due to _____________...?

(A) The scattering of sunlight by air molecules
(B) The presence of water vapor

(C) Absorption of blue light by the air
(D) Emission of blue light by the atmosphere

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Concave lenses are also known as ______...?

(A) Converging Lens
(B) Diverging Lens

(C) Cylindrical lens
(D) None

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Urine is produced in __________...?

(A) Kidneys
(B) Lungs

(C) Large intestine
(D) Liver

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Plant cell loses water and cytoplasm shrinks in a process called...?

(A) Osmosis
(B) Deplasmolysis

(C) Cytolysis
(D) Plasmolysis

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Rate of reaction will increase when temperature ______...?

(A) Increases
(B) Decreases

(C) Below 10°C
(D) Both A and B

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The process in which fusion of male and female cells occur to develop a new plant is called...?

(A) Fertilization
(B) Pollination

(C) Reproduction
(D) Germination

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Which lists the substances from least to most acidic...?

(A) Blood, milk, ammonia, orange juice
(B) Blood, ammonia, milk, orange juice

(C) Milk, blood, orange juice, ammonia
(D) Ammonia, blood, milk, orange juice

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Electronics comprises the _________...?

(A) Physics
(B) Engineering

(C) Technology
(D) All of these

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Which of the following are primary consumers that eat plants and plant products...?

(A) Lions and Wolves
(B) Sheep and Birds

(C) Hawks and Snakes
(D) Bears and Humans

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Which mineral is involved in formation of a hormone that is required to produce energy...?

(A) Copper
(B) Magnesium

(C) Calcium
(D) Iodine

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Which gas does a Photocopier machine produce...?

(A) Ozone
(B) carbon dioxide

(C) Sulfur dioxide
(D) None of these

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How many ounces in a pound...?

(A) 10
(B) 12

(C) 14
(D) 16

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Which one is not a renewable energy sources...?

(A) Oil and gas
(B) Solar energy

(C) Nuclear fuel
(D) Wind energy

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Select the correct sequence of biological method...?

(A) Law → Theory → Reasoning → Hypothesis
(B) Hypothesis → Theory → Law → Reasoning

(C) Hypothesis → Reasoning → Theory → Law
(D) Law → Hypothesis → Reasoning → Theory

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When a patient’s immune system becomes reactive to a drug, this is an example of...?

(A) Super infection
(B) Drug resistance

(C) Allergy
(D) none

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Sounds travel faster through solids than _______...?

(A) Liquid
(B) Gases

(C) Solids
(D) Both A and B

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If an opaque object is moved further away from the light source, the shadow gets _____...?

(A) Smaller
(B) Bigger

(C) Darker
(D) Lighter

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Which of the following science is considered “mother of all sciences”...?

(A) Biology
(B) Mathematics

(C) Physics
(D) Chemistry

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Special type of movement of specific substances through carrier protein is _____...?

(A) Facilitated diffusion
(B) Active transport

(C) Passive transport
(D) Osmosis

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A radioactive nuclide emits a β-particle. The atomic number (proton number) of the nucleus number of ______...?

(A) Stays the same
(B) Decreases by 2

(C) Increases by 1
(D) Decreases by 4

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Which is the renewable source of energy...?

(A) Solar and wind
(B) Coal

(C) Natural gas
(D) Petroleum

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For burning, which agent is necessary...?

(A) Oxygen
(B) Hydrogen

(C) Carbon
(D) Fire

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______ encodes genetic information....?

(A) RNA
(B) DNA

(C) Progesterone
(D) Cholesterol

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A process in which light rays falls on any material object and these rays bounce back is known as...?

(A) Reflection
(B) Refraction

(C) Diffusion
(D) Absorption

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how many bones in each foot ...?

(A) 26
(B) 27

(C) 28
(D) 30

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All are sources of calcium except...?

(A) Red meat
(B) Green leafy vegetables

(C) Broccoli
(D) Nuts

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Which process includes all of the other processes listed...?

(A) Absorption
(B) Assimilation

(C) Secretion
(D) Metabolism

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Which one is Natural Satellite...?

(A) Sun
(B) Moon

(C) Venus
(D) Mercury

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The natural world that surrounds a living and non-living things is called...?

(A) Ecosystem
(B) Environment

(C) Habitat
(D) Biodiversity

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Which processes involve mitosis...?

(A) Growth, reduction division and asexual reproduction
(B) Growth, repair and asexual reproduction

(C) Growth, repair and semiconservative replication
(D) Growth, reduction division and repair

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Which ocean does not commonly experience tropical cyclones ...?

(A) Western Pacific
(B) North Atlantic

(C) South Atlantic
(D) Indian Ocean

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An edible underground stem is...?

(A) Ginger
(B) Sweet-potato

(C) Sugarcane
(D) Radish

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Who is considered the founder of meteorology...?

(A) Aristotle
(B) Plato

(C) Einstein
(D) Newton

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In acidic formulation lactic acid produced from ______...?

(A) Pyruvic acid
(B) Acetic acid

(C) Citric acid
(D) Glyceric acid

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The good sources of Vitamin-C are________...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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__________ are called the powerhouses of the cell...?

(A) Mitochondria
(B) Vesicles

(C) Lungs
(D) Liver

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A thick layer of air that surrounds the earth is known as...?

(A) Ozone
(B) Atmosphere

(C) Stratosphere
(D) Hydrosphere

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If the electrostatic force between two electrons is F Newton, then the electrostatic force between two protons at the same distance is _____...?

(A) F
(B) 0N

(C) 2F
(D) 2/3 F

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Vertical columns in the periodic table of elements are called as__________...?

(A) Periods
(B) Groups

(C) Rows
(D) Lanthanoids series

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The ISS (International Space Station) orbits Earth about once every...?

(A) 60 minutes at an altitude of about 400 km
(B) 60 minutes at an altitude of about 500 km

(C) 90 minutes at an altitude of about 400 km
(D) 90 minutes at an altitude of about 500 km

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BCG vaccine is used to produce immunity against___________...?

(A) Whooping cough
(B) Tuberculosis

(C) Virus fever
(D) Smallpox

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In a process of cellular respiration 180 ATP molecules are produced, how many moles of glucose consume during this process...?

(A) 2
(B) 5

(C) 8
(D) 10

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Phloem transport of sucrose can be described as going from “source to sink” which of the following would not normally function as a sink...?

(A) Mature leaf
(B) Storage organ

(C) Growing root
(D) Both B and C

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An element that does not occur in nature but can be produced artificially is__________...?

(A) Plutonium
(B) Uranium

(C) Radium
(D) Thorium

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Identify the correct sequence of classifying an organism...?

(A) Species → Genus → Kingdom → Phylum → Class → Order → Family
(B) Kingdom → Phylum → Class → Order → Family → Genus → Species

(C) Kingdom → Phylum → Class → Family → Order → Genus → Species
(D) Species → Genus → Class → Phylum → Order → Kingdom → Family

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Which of the following are the layers of the body wall in sponges...?

(A) Pinacoderm and mesoderm
(B) Pinacoderm and choanoderm

(C) Epidermis and choanoderm
(D) Pinacoderm and ectoderm

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What do friction forces between the air and a moving object cause...?

(A) Speed increase
(B) Weight decrease

(C) Resistance
(D) Energy gain

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In plants, which part transports sugar produced in the leaves to all parts of plants...?

(A) Phloem
(B) Xylem

(C) Stomata
(D) Roots

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The _______ test is a color perception test for red-green color deficiencies....?

(A) Hemiplegia
(B) Ishihara

(C) Lalopathy
(D) None of the above

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Sea food is an excellent source of protein because it's usually low in ______...?

(A) Fats
(B) Carbohydrates

(C) Proteins
(D) Minerals

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What is the major source of release of direct pollutants in air pollution...?

(A) Air
(B) Fuel

(C) Gas
(D) None

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Who proposed this concept “All motion is relative”...?

(A) Albert Einstein
(B) John Kepler

(C) Galileo Galilie
(D) None

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In NaCl crystal lattice each Na ion is surrounded by ______...?

(A) 6 Cl^- ions
(B) 6 Na^+ ions

(C) 8 Cl^- ions
(D) 12 Cl^- ions

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Colourless, irregular in shape, nucleated and larger sized cell than R.B.Cs called...?

(A) Erythrocytes
(B) Platelets

(C) Leucocytes
(D) Lymphocytes

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In which of the following processes is energy released ...?

(A) Respiration
(B) Photosynthesis

(C) Ingestion
(D) Absorption

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The chemicals released from one cell and carried to signal some distant cell through blood are ______...?

(A) Neurotransmitters
(B) Enzymes

(C) Hormones
(D) All of these

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Each mole of glucose produce maximum energy i.e ______...?

(A) 2527 Kj
(B) 2627 Kj

(C) 2727 Kj
(D) 2827 Kj

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Crude Oil is heated in the furnace up to _________...?

(A) 300°C
(B) 350°C

(C) 400°C
(D) 450°C

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Who was the first scientist who gave the concept of gravitation...?

(A) Einstein
(B) Newton

(C) Faraday
(D) Maxwell

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The good sources of Vitamin-B Complex are...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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How many daughter cells are produced from meiosis...?

(A) One
(B) Two

(C) Three
(D) Four

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Amount of pressure of liquid increases with increase of _____...?

(A) Depth
(B) Volume

(C) Temperature
(D) Surface tension

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Which source contains the highest amount of iodine...?

(A) Milk
(B) Seaweed

(C) Eggs
(D) Fish

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The power of combining of an atom with other atoms to form molecules or compounds is called...?

(A) Atomic Mass
(B) Valency

(C) Electronegativity
(D) Ionization Energy

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Which mineral plays a role in developing bones and in metabolic processes...?

(A) Sodium
(B) Iodine

(C) Magnesium
(D) Copper

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Head to tail rule can be used to add ______ forces....?

(A) Two
(B) Three

(C) Five
(D) Any number of

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The good sources of iodine are_______...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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What has no charge, and is one of the fundamental particles making up an atom’s nucleus...?

(A) Electron
(B) Neutron

(C) Proton
(D) All of Above

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Which of the following is non-cellular or acellular organism...?

(A) Fungi
(B) Virus

(C) Bacteria
(D) Both A and C

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Sunlight is a Great Source of ____________...?

(A) vitamin C
(B) vitamin D

(C) vitamin E
(D) vitamin K

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B12 deficiency can produce__________...?

(A) Insomnia
(B) Microcytic anemia

(C) Pernicious anemia
(D) None Of these

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The distance between two successive crests or troughs of a wave is called ______...?

(A) Frequency
(B) Amplitude

(C) Velocity
(D) Wavelength

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The use of potassium hydroxide produced a ________...?

(A) Hard soap
(B) Soft soap

(C) Moderate soap
(D) All of these

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If a rocket is launched with a velocity less than the escape velocity of Earth, it will:...?

(A) Escape the Earth’s gravitational field
(B) Enter into an elliptical orbit around the Earth

(C) Fall back to Earth
(D) Travel to another planet

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Yeasts feeds on sugar in the dough and produces ______ gas....?

(A) Oxygen
(B) Hydrogen

(C) Carbon dioxide
(D) Nitrogen

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The natural source of hydrocarbon is:___________...?

(A) Crude oil
(B) Biomass

(C) Coal
(D) Carbohydrates

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Which one is not the effect of misuse of antibiotics...?

(A) Diarrhea
(B) Immunization

(C) Stomach upset
(D) Antibiotic resistance

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Which of the following principleis used to produce ‘low-temperatures’ ...?

(A) Super conductivity
(B) Joule-Kelvin effect

(C) Thermo-electric effect
(D) Adiabatic demagneti-sation

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An egg sinks in soft water but floats in a concentrated solution of salt because...?

(A) egg absorbs salt from the solution and expands
(B) albumin dissolves in salt solution and egg becomes lighter

(C) the density of salt solution exceeds the density of eggs
(D) water has high surface tension

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Which mineral builds red blood cells and it is also involved in the building of bones...?

(A) Magnesium
(B) Sodium

(C) Copper
(D) Iodine

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In animal meiosis produces _____...?

(A) Gametes
(B) Zygotes

(C) Embryos
(D) Somatic cells

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Cow milk is a rich source of____________...?

(A) vitamin C
(B) vitamin B

(C) vitamin A
(D) vitamin K

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The key component of the scientific process is ______...?

(A) Hypothesis
(B) Observation

(C) Question
(D) Experimentation

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A thin partially permeable layer around the animal cell which control the substances that enter and exist is called...?

(A) Cell Wall
(B) Cell Membrane

(C) Cytoplasm
(D) Nucleus

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For which system does the equilibrium constant, Kc has units of concentration....?

(A) N2(g) + 3H2(g) ⇌ 2NH3(g)
(B) N2(g) + 02(g) ⇌ 2NO

(C) H2(g) +12(g) ⇌ 2HI(g)
(D) CO2(g) + H3(g) ⇌ CO + H2O(l)

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The liquid molecules leave the surface of liquid in evaporation process because ______...?

(A) Energy is low
(B) Energy is moderate

(C) Energy is high
(D) None of these

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Medium sized kidney stones are removed by__________...?

(A) Dialysis
(B) Lithotripsy

(C) Excretion
(D) Laser

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A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect...?

(A) Current
(B) Voltage

(C) Nuclear Radiation
(D) power

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Which of the following cells are Colourless...?

(A) Red blood cells
(B) White blood cells

(C) Monocytes
(D) platelets

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Distance is a _____ quantity....?

(A) Vector
(B) Scalar

(C) Both a and b
(D) None of these

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Oxygen belongs to group VIA so number of electrons in its valence shell are _____...?

(A) 3
(B) 4

(C) 5
(D) 6

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A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called...?

(A) α-emission
(B) β-emission

(C) γ-emission
(D) Nuclear fission

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A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

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The products of the reaction between carbon dioxide and water are ______...?

(A) Glucose (C6H12O6) and Nitrogen (N2)
(B) Glucose (C6H12O6) and Oxygen (O2)

(C) Starch (C6H10O5) and Water (H2O)
(D) Cellulose (C6H10O5) and Carbon Monoxide (CO)

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How many daughter cells are produced from mitosis...?

(A) Two
(B) One

(C) Four
(D) Five

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Which of the following is a rich source of Vitamin B-12...?

(A) Cashew nut
(B) Milk

(C) Apple
(D) Watermelon

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Which of the following is/are unicellular organisms (single-celled)...?

(A) Bacteria
(B) Fungi

(C) Plants
(D) Algae

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Recognize the factor which does not affect the process of respiration...?

(A) O2
(B) Temperature

(C) Light
(D) CO2

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Laws and techniques of physics are applied to explain the living processes of life...?

(A) Biometry
(B) Biostatistics

(C) Biophysics
(D) Bio-economics

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The process in which nuclei of heavy elements are broken into lighter nuclei and produce a large amount of heat energy is called...?

(A) Fusion
(B) Geometry

(C) Regales
(D) Fission

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Steam Turbine was introduce by ________ ...?

(A) C.A. Parson
(B) Orwill Right

(C) Arkwright
(D) Alexander son

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Select the correct sequence of level of organization among the following...?

(A) Organelle → Tissue → Cell → Organ
(B) Cell → Organelle → Tissue → Organ

(C) Organelle → Cell → Tissue → Organ
(D) Organ → Tissue → Cell → Organelle

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Oranges are rich source of____________...?

(A) Carbohydrates
(B) Fats

(C) Proteins
(D) Vitamins

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Medium which sends signal from source to destination is known as ________ ...?

(A) Transmitter
(B) Transmission channel

(C) Receiver
(D) Hardware

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Which of the following is the strongest & longest bone of human body...?

(A) Stapes
(B) Femur

(C) Tibia
(D) None of the above

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Identify the blackest fish in the oceans...?

(A) Black Seafish
(B) Black Dragon fish

(C) Black Sea Horse
(D) Black Gillfish

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Common food sources of Vitamin A are:___________...?

(A) Milk, eggs, butter, cheese, cream, and liver
(B) White sugar, honey, and sugar cane

(C) Broccoli, apricots, cantaloupe, carrots, sweet potato, spinach
(D) Both A and C

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Which one of the following substances traps sunlight...?

(A) Cellulose
(B) Chlorophyll

(C) Cytoplasm
(D) Cell sap

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One Astronomical unit is equal to how much Km in whole numbers...?

(A) 160 million km
(B) 140 million km

(C) 150 million km
(D) 130 million km

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A reaction in which a new single compound is formed by the union of two or more substances is known as...?

(A) Decomposition Reaction
(B) Oxidation Reaction

(C) Addition Reaction
(D) Neutralization

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Which bone in human body is not directly attached to other bones...?

(A) Ulna
(B) Hyoid

(C) Tibia
(D) Cranium

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Fish is one of the best source of ______...?

(A) Protein
(B) Vitamin

(C) Mineral
(D) Carbohydrate

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Among the following, which group of food help our body grow and repair tissues and muscles...?

(A) Carbohydrates
(B) Vitamins

(C) Proteins
(D) Minerals

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Most of the living things use O2 to produce ______...?

(A) ATP
(B) Alcohol

(C) Organic acid
(D) Ecological pyramid

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Lingxi-03, developed by Galaxy Space, was launched using a ___________ carrier rocket....?

(A) Long March-3D
(B) Long March-2D

(C) Vertical March-3D
(D) Orbital March-2D

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How many bones are in human Eyes...?

(A) Three
(B) Four

(C) Five
(D) Seven

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Microscopes are instrument designed to produce _____ visual image....?

(A) Magnified
(B) Enlarged

(C) Inverted
(D) Illuminated

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Which mineral is the present in whole wheat, bananas, peas, prunes, oysters, liver, kidney, grains and legumes...?

(A) Copper
(B) Magnesium

(C) Sodium
(D) Iron

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A change in physical appearance or state of a substance is called ____...?

(A) Chemical Change
(B) Physical Change

(C) Nuclear Change
(D) Biological Change

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Which process is used to get back the solid substances from a solution...?

(A) Crystallization
(B) Distillation

(C) Filtration
(D) Sublimation

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The weakest of all fundamental forces is the ________________...?

(A) Gravitational force
(B) Electrostatic force

(C) Magnetic force
(D) Nuclear force

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In an acidic medium, phenolphthalein is colourless and in a basic medium, it is ____...?

(A) Green
(B) Blue

(C) Yellow
(D) Pink

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Sound cannot travel through __________...?

(A) Solid
(B) Liquid

(C) Gases
(D) Vaccum

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The Chandrayaan-3 mission by the Indian Space Research Organisation (ISRO) was successfully lifted off from which Space Centre...?

(A) Paresh Dhawan Space Centre
(B) Satish Dhawan Space Centre

(C) Ram Dhawan Space Centre
(D) Shiri Dhawan Space Centre

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The Sun produces most of its energy by_____________...?

(A) Nuclear fusion
(B) nuclear fission

(C) Burning hydrogen
(D) None of these

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Which of the following are made up of two or more substances that are not chemically combined...?

(A) Compounds
(B) Elements

(C) Solutions
(D) Mixtures

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In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process...?

(A) Boiling
(B) Condensation

(C) Convection
(D) Evaporation

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Feeding sequences and relationships are called...?

(A) Food webs
(B) Ecosystem

(C) Food chains
(D) Habitats

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Geiger-Muller counter is used to detect__________...?

(A) Protons
(B) Neutrons

(C) Photons
(D) none

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Tarsal bone is in the...?

(A) Hand
(B) Arm

(C) Leg
(D) Foot

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Nutrients that are needed in the highest concentration called...?

(A) Micronutrients
(B) Macronutrients

(C) Essential nutrients
(D) Trace elements

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The process whereby energy is dissipated from the oscillating system is called__________...?

(A) Oscillation
(B) Damping

(C) Resonance
(D) None of these

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The type of reproduction which is necessary for evolution is _____...?

(A) Vegetative propagation
(B) Fragmentation

(C) Sexual reproduction
(D) Cloning

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The Deoxyribonucleic acid is abbreviated as ____...?

(A) RNA
(B) DNA

(C) mRNA
(D) rRNA

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What is the effect of height increase over temperature...?

(A) Temperature increase
(B) Temperature decrease

(C) Remains constant
(D) None

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Which one is a scalar quantity...?

(A) Time
(B) Force

(C) Velocity
(D) Acceleration

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All of the following substances are crystalline except_____________...?

(A) Ice
(B) Diamond

(C) Sucrose
(D) Plastic

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The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________...?

(A) 1120 ft
(B) 120 ft

(C) 56 ft
(D) 100 ft

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Amoeba and paramecium is made up of one cell that’s why it is called unicellular, while plants and animals are made up many cells so we call them...?

(A) Unicellular
(B) Multicellular

(C) Inter cellular
(D) Intra cellular

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Afternoon rains in the equatorial region are the result of influences _______...?

(A) Land Breeze
(B) Monsoon

(C) Frontal
(D) Convectional

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Which gas is produced when trees and fossil fuels are burnt...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Nitrogen oxide
(D) Oxygen

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How many bones are there in a newly born infant...?

(A) 206
(B) 230

(C) 280
(D) 300

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How many coloumns in the modern Periodic Table...?

(A) 17
(B) 18

(C) 19
(D) None of these.

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The good sources of Vitamin-A are...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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A body of land that is surrounded by water on three sides is called________...?

(A) Strait
(B) Bay

(C) Peninsula
(D) Gulf

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By which process copper is refined ____________...?

(A) Roasting
(B) Oxidation

(C) Zone Refining
(D) Electrolysis

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The study of forces acting upon bodies in motion in the air is called__________...?

(A) Aeronautics
(B) Aerophysics

(C) Aerodynamics
(D) Aerofraction

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______ is not a renewable source of energy....?

(A) Solar energy
(B) Coal

(C) Wind energy
(D) Geothermal energy

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The point that lies directly above the source of an earthquake is known as _______________ ...?

(A) Earthquake Center
(B) Epicenter

(C) Gravitational Center
(D) Geological Center

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The process in which body cells divide for growth, repairing, and development is called _____...?

(A) Meiosis
(B) Mitosis

(C) Microsis
(D) Mekosis

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Fundamental molecule produced during photosynthesis is ______...?

(A) Glucose
(B) Amino acid

(C) Fatty acid
(D) Nucleotide

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The simplest kind of matter which cannot be further split up into simpler substances by chemical reactions is called...?

(A) Compound
(B) Atom

(C) Molecule
(D) Element

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Electron has a much shorter wavelength than visible light, and this allows electron microscopes to produce _____ images....?

(A) Lower-resolution
(B) Higher-magnification

(C) Equal-resolution
(D) Higher-resolution

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In human body there are_________________kinds of bones...?

(A) 3
(B) 4

(C) 5
(D) 6

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The main source of energy in the stars is _____...?

(A) Chemical reaction
(B) Nuclear fission

(C) Nuclear fusion
(D) Mechanical energy

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Color of the glow produced in the discharge tube:...?

(A) depends on the pressure in the discharge tube
(B) depends on the metal used as cathode

(C) depends on the gas used in the discharge tube
(D) does not depend on the nature of the gas used in the discharge tube

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How many rows and columns are in the modern Periodic Table...?

(A) 18 columns and 7 rows
(B) 12 columns and 9 rows

(C) 7 columns and 18 rows
(D) 25 columns and 15 rows

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A (an) ________ is the smallest possible particle of an element that can combine to form new compounds....?

(A) Molecule
(B) Atom

(C) Compound
(D) Element

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A pair of unlike parallel forces having different lines of force produce _______...?

(A) Equilibrium
(B) Torque

(C) A couple
(D) Unstable equilibrium

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One calorie is equal to how many joules...?

(A) 4184 joules
(B) 4285 joules

(C) 4286 joules
(D) 4185 joules

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In fireworks,the green flame is produced because of __________...?

(A) Sodium
(B) Barium

(C) Mercury
(D) Potassium

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Instead of seeds, non-flowering plants produce _______...?

(A) Pollen
(B) Fruits

(C) Spores
(D) Leaves

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How many bones in each hand...?

(A) 26
(B) 27

(C) 28
(D) 30

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How many bones are present in face...?

(A) 14
(B) 15

(C) 20
(D) 18

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What are Columns in Periodic table called...?

(A) Period
(B) Group

(C) Verticals
(D) Perpendiculars

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The process in which seed grows in to a new plant is called ______...?

(A) Fertilization
(B) Germination

(C) Vernalization
(D) None of these

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Water is a good solvent of ionic salts because:...?

(A) It has a high specific heat
(B) It has no colour

(C) It has a high dipole moment
(D) None of these

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What occurs when light bounces off a shiny surface...?

(A) Refraction
(B) Diffraction

(C) Reflection
(D) Absorption

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Which of the following is an outcome if condensation...?

(A) Boiling
(B) Freezing

(C) Dew
(D) Moisture

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The large muscles of arm is ______...?

(A) Bicep
(B) Tricep

(C) Tetracep
(D) Pentacep

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Who is the founder of solar system...?

(A) Copernicus
(B) Newton

(C) Galileo
(D) Kepler

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What are the products in the reaction: CH4 + 2O2 → CO2 + 2H2O...?

(A) Methane and Oxygen
(B) Carbon dioxide and Water

(C) Hydrogen and Oxygen
(D) Carbon and Water

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The number of facial bones in a human body ________...?

(A) 15
(B) 14

(C) 22
(D) 26

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How many muscles in human body...?

(A) 632
(B) 639

(C) 642
(D) None of these

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Which of the following is not the source of carbon dioxide emission...?

(A) Burning of fossil fuels, wood, cool
(B) Solar power

(C) Respiration
(D) Car exhaust smoke

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Photosynthesis is the only process which produces free O2 by splitting _____...?

(A) Glucose
(B) Carbon Dioxide

(C) Chlorophyll
(D) Water

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In which type of seed the process epigeal germination takes place...?

(A) Dicot Seed
(B) Monocot Seed

(C) Tricot Seed
(D) None

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If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________...?

(A) Annealing
(B) Quenching

(C) Tempering
(D) Nitriding

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What is the substance that causes undesirable change to the environment...?

(A) Climate Change
(B) Pollution

(C) Pollutant
(D) None

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Biggest award in the field of science is the __________...?

(A) Noble Prize
(B) UNESCO peace prize

(C) Right livelihood prize
(D) All of these

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Which of the following processes is used in water purification...?

(A) Reverse Osmosis
(B) Osmosis

(C) Cytolysis
(D) Turgor Pressure

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The radioactive isotopes are formed by neutrons bombardment on the nucleus, these incident neutrons must have ___ to penetrate in the nucleus....?

(A) Very high velocity
(B) Very low velocity

(C) Intermediate velocity
(D) All of these

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What is not included in the living components of the land environment...?

(A) Flowering plants
(B) Iron Rock

(C) Frogs
(D) None

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Refraction of sound can occur in:...?

(A) Water
(B) Air

(C) Both A & B
(D) None of these

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The only source of energy on earth is ____...?

(A) Moon
(B) Star

(C) Water
(D) Sun

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Two capacitors of 8µF are connected in series then the equivalent capacitance is ______...?

(A) ¼ µF
(B) 2 µF

(C) 3 µF
(D) 4 µF

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The source of oxygen in photosynthesis is...?

(A) water
(B) salts

(C) minerals
(D) glucose

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Which disease affects infants and young children...?

(A) Scurry
(B) Marasmus

(C) Rickets
(D) Osteoporosis

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Which group of compounds constitute carbohydrates...?

(A) Sugar and proteins
(B) Starch and proteins

(C) Starch and sugar
(D) None of these

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Vitamin E reduces the requirement of _________ ....?

(A) Iron
(B) Zinc

(C) Selenium
(D) Magnesium

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The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ...?

(A) 4.8 ounce
(B) 5.8 ounce

(C) 5.4 ounce
(D) 4.4 ounce

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The atmospheric greenhouse effect is produced mainly by the __________________...?

(A) Absorption and re-emission of visible light by the atmosphere
(B) Absorption and re-emission of ultraviolet radiation by the atmosphere

(C) Absorption and re-emission of infrared radiation by the atmosphere
(D) Absorption and re-emission of visible light by clouds

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What’s the Strongest Muscle in the Human Body based on its weight...?

(A) Hands
(B) Masseter

(C) Neck
(D) Legs

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What is the large organelle that fills with cell sap and contains water and dissolved substances like sugar and salt...?

(A) Nucleus
(B) Mitochondria

(C) Large Vacuole
(D) Golgi Apparatus

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A process in which liquid is purified is called...?

(A) Filtration
(B) Sublimation

(C) Distillation
(D) Crystallization

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In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...?

(A) Electroplating
(B) Annealing

(C) Galvanization
(D) Vulcanization

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Problem solving approach of biology and other sciences called...?

(A) Logical Method
(B) Analytical Method

(C) Scientific Method
(D) Experimental Method

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The process of photosynthesis produces glucose and ______...?

(A) Carbon dioxide
(B) Oxygen

(C) Water
(D) Carbo monoxide

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The maize seed is surrounded by a seed coat and it has an opening called...?

(A) Micropyle
(B) Embryo

(C) Endosperm
(D) None

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A form of energy which can be found in the nucleus of an atom of an element...?

(A) Kinetic Energy
(B) Potential Energy

(C) Nuclear Energy
(D) Chemical Energy

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Most of the ozone in the atmosphere is concentrated in the____________...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) Ionosphere

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Carrot is good source of Vitamin _______...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin C
(D) Vitamin D

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A _______ is an object with at least one slanting side ending in a sharp edge, which cuts material apart....?

(A) Pulley
(B) Inclined Plane

(C) Lever
(D) Wedge

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With the increase in temperature, heat will be...?

(A) Increase
(B) Decrease

(C) Remain constant
(D) None

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Which one is the brightest star in the night sky...?

(A) Betelgeuse
(B) Sirius

(C) Rigel
(D) Polaris

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________ is the output from a computer that ranks from processing input data....?

(A) Data
(B) Computer

(C) Information
(D) Mouse

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How many grams in an ounce...?

(A) 20
(B) 24

(C) 28
(D) 32

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The ice giants are mostly made of ‘volatile’ substances such as...?

(A) Water, mercury and methane
(B) Water, ammonia and mercury

(C) Water, plasma and methane
(D) Water, ammonia and methane

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Which mineral is the present in milk, cheese, egg, dark green vegetables, small fish and its bones etc etc...?

(A) Sodium
(B) Calcium

(C) Iron
(D) Magnesium

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Most of the ozone in the atmosphere is concentrated in the _____________...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) ionosphere

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Which of the following planets have the longest day...?

(A) Jupiter
(B) Mercury

(C) Earth
(D) Venus

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“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _______________...?

(A) Nothing is impossible
(B) Quinoline is an inhibitor

(C) Quinoline is a catalyst
(D) Quinoline is an activator

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Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy...?

(A) Earth
(B) Venus

(C) Moon
(D) Saturn

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Which of these is NOT an example of a renewable energy source...?

(A) Wind energy
(B) solar

(C) Coal
(D) Hydroelectric power

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__________ gas is released when coal is burnes in ln lack of Oxygen...?

(A) Carbon Dioxide
(B) Methane

(C) Ethene
(D) Carbon Monoxide

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The process in which solid directly changes to gas is called...?

(A) Distillation
(B) Filtration

(C) Sublimation
(D) Crystallization

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Year is longest on:___________...?

(A) Jupiter
(B) Earth

(C) Mercury
(D) Mars

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Weather and climate are driven by what source(s) of energy ...?

(A) Earth’s internal heat
(B) Solar radiation

(C) Gravity
(D) Both (a) and (c)

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Which of the following terms is used for species evolving from the same ancestor to different ecological niches...?

(A) Convergent evolution
(B) Divergent evolution

(C) Adaptive radiation
(D) Coevolution

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Which of the following is used as a fuel to produce heat energy...?

(A) Biomass Energy
(B) Solar Energy

(C) Hydro Energy
(D) Wind Energy

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The movement of earth around sun brings ________...?

(A) Tornadoes
(B) Rainfall

(C) Seasons
(D) Earthquakes

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A telescope is an instrument that gathers _______ from distant sources....?

(A) Sound
(B) Light

(C) Heat
(D) Water

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How many bones in our body...?

(A) 102
(B) 306

(C) 206
(D) 204

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When a substance is dissolved in a liquid and no new substance is formed. What will these substances are called...?

(A) Solute
(B) Solution

(C) Compound
(D) None

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Cooking oil can be converted into vegetable ghee by the process of ____...?

(A) Hydrogenation
(B) Oxidation

(C) Distillation
(D) None of these

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