pH value of water is _________...?

PPSC Past Papers

Latest MCQs

pH value of water is _________...?

(A) 5

(B) 5-6

(C) 8.7-10.5

(D) 6.5-8.5

Comments

Latest MCQs

The audible range of normal cat ear is _______...?

(A) 10 Hz to 31kHz

(B) 67 Hz to 45kHz

(C) 20 Hz to 20kHz

(D) 45 Hz to 64kHz

Comments

Latest MCQs

In general, Comets have __________ orbits...?

(A) Elliptical

(B) Highly elliptical

(C) Circular

(D) Parabolic

Comments

Latest MCQs

Wind energy is the __________ energy....?

(A) Potential

(B) Transverse

(C) Kinetic

(D) Mechanical

Comments

Latest MCQs

What is the number of known crystalline phases of water ________...?

(A) 4

(B) 8

(C) 17

(D) 18

Comments

Latest MCQs

The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids....?

(A) Mars

(B) Saturn

(C) Uranus

(D) Jupiter

Comments

Latest MCQs

Jupiter, Saturn, Uranus and Neptune are called_________...?

(A) Jovian planets

(B) Terrestrial Planets

(C) Both A & B

(D) None of these

Comments

Latest MCQs

The inner most part of the earth is__________...?

(A) Crust

(B) Mental

(C) Core

(D) None of these

Comments

Latest MCQs

The three elements needed for healthy growth of plants are __________...?

(A) N, P, K

(B) N, C, P

(C) N, K,

(D) N, S, P

Comments

Latest MCQs

vitamin D is chemically know as_________ ...?

(A) Retinol

(B) Calciferol

(C) Tocopherol

(D) None of these.

Comments

Latest MCQs

Oxidation is a chemical reaction involving the __________...?

(A) Gain of Electrons

(B) Loss of Electrons

(C) Gain of Protons

(D) Loss of Protons

Comments

Latest MCQs

The repetition of property after a certain interval called ___________...?

(A) Electron efinity

(B) Atomic radius

(C) periodicity of property

(D) none of these

Comments

Latest MCQs

Digestion of food is completed in the __________...?

(A) small intestine

(B) large intestine

(C) stomach

(D) Liver

Comments

Latest MCQs

Albert Einstein was a____________...?

(A) Physicist

(B) Physician

(C) Chemist

(D) Biologist

Comments

Latest MCQs

The Great Spot is on the planet __________...?

(A) Saturn

(B) Venus

(C) Mars

(D) Jupiter

Comments

Latest MCQs

Calcium level in the blood is regulated by the: ___________...?

(A) Thyroid

(B) Parathyroid

(C) Adrenal medulla

(D) A and B

Comments

Latest MCQs

Water vapor is ______________...?

(A) A gas

(B) A cloud droplet

(C) A rain drop

(D) A snowflake

Comments

Latest MCQs

It is impossible for a type of O+ baby to have a type of____________mother:...?

(A) AB-

(B) O-

(C) O+

(D) none

Comments

Latest MCQs

Wisdom teeth normally grow between the age of___________...?

(A) 34-40

(B) 17-30

(C) 45-55

(D) 10-17

Comments

Latest MCQs

The moon has a large, circular basin called _____________...?

(A) the Simerian Basin

(B) the Inbrium Basin

(C) the Imbrium Basin

(D) Black Bowl Basin

Comments

Latest MCQs

Dioptre is a unit of measurement for __________ ...?

(A) Current

(B) Lens

(C) Force

(D) Focal Length

Comments

Latest MCQs

Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat

(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature

(D) Evaporation of water produces lot of cooling

Comments

Latest MCQs

The Mirror used in the Automobiles are___________...?

(A) Concave

(B) Convex

(C) Plains

(D) Reflective

Comments

Latest MCQs

Barnacles growing on the back of whale is an example for ________________...?

(A) mutualism

(B) parasitism

(C) amensalism

(D) commensalism

Comments

Latest MCQs

The gas used in a refrigerator to cool water is___________...?

(A) Nitrogen

(B) Carbon dioxide

(C) Methane

(D) Tetrafluoroethane

Comments

Latest MCQs

Heat of sun reaches the earth by ___________...?

(A) Convection

(B) radiation

(C) Conduction

(D) None of these

Comments

Latest MCQs

Battery was invented by__________...?

(A) Nicolas Léonard Sadi Carnot

(B) Alessandro Volta

(C) Michael Faraday

(D) Friedrich Bessel

Comments

Latest MCQs

Animals use nitrogen in the form of_________...?

(A) Nitrogen

(B) Nitrates

(C) Nitrites

(D) None of Above

Comments

Latest MCQs

Butter paper is _________ material because it scatters light....?

(A) Transparent

(B) Translucent

(C) Opaque

(D) None

Comments

Latest MCQs

1 Meter = _________...?

(A) 1000 centimeters (cm)

(B) 100 centimeters (cm)

(C) 10 centimeters (cm)

(D) 10000 centimeters (cm)

Comments

Latest MCQs

When were blue jeans invented in _________...?

(A) 1900s

(B) 1860s

(C) 1870s

(D) 1850s

Comments

Latest MCQs

Alzheimer’s disease is a _________ disorder....?

(A) Genetic

(B) Brain

(C) Eye

(D) Body Weight Loss

Comments

Latest MCQs

Boiling point of pure water is __________...?

(A) 90’C

(B) 97’C

(C) 100’C

(D) None of these

Comments

Latest MCQs

A blood alcohol level above ________ will often result in death:...?

(A) 0.10

(B) 0.20

(C) 0.30

(D) 0.41

Comments

Latest MCQs

A fresh egg when placed in salt water will __________ ...?

(A) sink and go to the bottom

(B) sink but will not go to the bottom

(C) Float

(D) Burst

Comments

Latest MCQs

The light of distant stars is affected by __________ ...?

(A) The earth’s atmosphere

(B) Interstellar dust

(C) both A and B

(D) None of these

Comments

Latest MCQs

The color of blood is red due to __________...?

(A) Haemoglobin

(B) Neutrophils

(C) Esinophils

(D) Hematocrit

Comments

Latest MCQs

Stomach stores the ___________...?

(A) enzime

(B) Food

(C) hcl

(D) None of These

Comments

Latest MCQs

WBCs are also called as _________...?

(A) Leukocytes

(B) Lymphocytes

(C) Nucleotides

(D) Erythrocytes

Comments

Latest MCQs

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

Comments

Latest MCQs

Highly intelligent Mammals are_________...?

(A) rat

(B) dolphin

(C) bat

(D) Elephant

Comments

Latest MCQs

Primary cosmic rays are composed largely of very fast__________...?

(A) Protons

(B) Neutrons

(C) Electrons

(D) Gamma rays

Comments

Latest MCQs

In blood, the percentage of water is___________...?

(A) 75%

(B) 85%

(C) 90%

(D) 95%

Comments

Latest MCQs

Silver fish is the name of__________...?

(A) Insect

(B) Fish

(C) Bird

(D) Mammal

Comments

Latest MCQs

The sky appears blue because the earth’s atmosphere __________...?

(A) Scatters blue light

(B) Reflects blue light

(C) Transmits blue light

(D) Has actual blue cover

Comments

Latest MCQs

Symptoms of vitamin b7 deficiency are known to ______________....?

(A) Pellagra

(B) Hair Loss

(C) Muscle weakness

(D) Xerophthalmia

Comments

Latest MCQs

Coke is made by heating coal in the absence of air at__________...?

(A) 700 °C

(B) 900 °C

(C) 1300 °C

(D) 1700 °C

Comments

Latest MCQs

Which vegetable is also a flower __________...?

(A) Lady Finger

(B) Broccoli

(C) Tomato

(D) None of these

Comments

Latest MCQs

The average adult has a blood volume of about __________ liters....?

(A) 4

(B) 5

(C) 6

(D) 7

Comments

Latest MCQs

Hygrometer is used for measuring the ____________...?

(A) Speed of sound

(B) Density of milk

(C) Humidity of air

(D) Specific gravity of liquids

Comments

Latest MCQs

In general, the most destructive earthquake waves are the __________ ...?

(A) P waves

(B) S waves

(C) Surface waves

(D) All of the above

Comments

Latest MCQs

What is the distance of the star Proxima Centauri from the planet Earth ________...?

(A) 4.2 light years

(B) 3.2 light years

(C) 2.4 light years

(D) 1.5 light years

Comments

Latest MCQs

Hailey’s comet is visible after every_________...?

(A) 84 years

(B) 76 years

(C) 1000 years

(D) 365 years

Comments

Latest MCQs

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

Comments

Latest MCQs

Naturally occurring enzyme used as a defense chemical by bacteria ______...?

(A) Defense protein

(B) Restriction enzyme

(C) Hydrolytic enzyme

(D) Ligase enzyme

Comments

Latest MCQs

Silicon is an example of _________...?

(A) No-conductor

(B) Semiconductor

(C) Super Conductor

(D) None of these

Comments

Latest MCQs

The first organism on earth were _______________...?

(A) autotrophs

(B) heterotrophs

(C) saprotrophs

(D) none of these

Comments

Latest MCQs

Water has high density and minimum volume at__________...?

(A) 0°C

(B) 4°C

(C) 100°C

(D) None of these

Comments

Latest MCQs

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

(A) Sound

(B) Light

(C) Heat

(D) Water

Comments

Latest MCQs

The blind spot is located at the ___________ of the eye ...?

(A) pupil

(B) vitreous humor

(C) aqueous humor

(D) optic disc

Comments

Latest MCQs

The taste of water is ______...?

(A) Sour

(B) Bitter

(C) Sweet

(D) Tasteless

Comments

Latest MCQs

Dialysis is used for the treatment of__________...?

(A) Kidney failure

(B) Heart weakness

(C) Brain diseases

(D) None of these

Comments

Latest MCQs

NASA’s Mars rover, __________ , has been exploring Mars since 2012....?

(A) Diversity

(B) Serenity

(C) Curiosity

(D) Divinity

Comments

Latest MCQs

A chronometer meter measures __________ ...?

(A) Water waves

(B) Color contrast

(C) Time

(D) Sound waves

Comments

Latest MCQs

There are many different types of frozen water on Earth. Collectively, they are known as the: ___________...?

(A) Hydrosphere

(B) Cryosphere

(C) Frigid Zone

(D) Biosphere

Comments

Latest MCQs

For the generation of biogas, the materials commonly used are__________...?

(A) Animal wastes

(B) Forest residues

(C) Aquatic plants

(D) None of these

Comments

Latest MCQs

The apart of neuron which receives message are__________...?

(A) Cell Bodies

(B) Axons

(C) Nuclei

(D) Dendrites

Comments

Latest MCQs

A solar eclipse occurs when _________...?

(A) Venus between Earth and sun

(B) Moon is between Earth and sun

(C) Sun is between Earth and moon

(D) Moon is between Earth and Neptune

Comments

Latest MCQs

The nearest planet to the Earth is _________...?

(A) Venus

(B) Mercury

(C) Mars

(D) Moon

Comments

Latest MCQs

The Scientific Study of Caves are know as _________ ...?

(A) Haematology

(B) Speleology

(C) Oology

(D) Oneriology

Comments

Latest MCQs

Leukemia is a disease of the___________...?

(A) Lungs

(B) Blood

(C) Skin

(D) Nerves

Comments

Latest MCQs

Water covers __________ of the Earth’s surface...?

(A) 61%

(B) 67%

(C) 71%

(D) 76%

Comments

Latest MCQs

The amount of energy in wheat is__________...?

(A) 100 K Calories/100 gram

(B) 245 K Calories/100 gram

(C) 348 K Calories/100 gram

(D) 490 K Calories/100 gram

Comments

Latest MCQs

The Moon is illuminated because it ________ the light from the Sun....?

(A) Absorbs

(B) Reflects

(C) Deflects

(D) Refracts

Comments

Latest MCQs

Lead ball falls through water more slowly than through air because __________...?

(A) The value of ‘g’ is less in water

(B) Density of air is less than that of water

(C) Of the viscous force in water

(D) Of The surface tension of water

Comments

Latest MCQs

Which colour of light is deviated least ________....?

(A) Red

(B) Blue

(C) Violet

(D) Green

Comments

Latest MCQs

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

(A) Gravitational force

(B) Electrostatic force

(C) Magnetic force

(D) Nuclear force

Comments

Latest MCQs

The main factor for determining a region’s climate is ___________...?

(A) Latitude

(B) Temperature

(C) Longitude

(D) None of them

Comments

Latest MCQs

One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________...?

(A) Molarity

(B) Molality

(C) Normality

(D) Formality

Comments

Latest MCQs

Tetanus is a _________ infection....?

(A) Viral

(B) Bacterial

(C) Fungal

(D) Parasitic

Comments

Latest MCQs

A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________...?

(A) Remain unaffected

(B) Fall away from the train

(C) Fall towards the train

(D) Fall away from or towards the train depending upon the speed

Comments

Latest MCQs

Maximum biological damage is caused by ____________...?

(A) Gamma rays

(B) Alpha rays

(C) Beta rays

(D) Microwaves

Comments

Latest MCQs

In the Centigrade scale, the freezing point of water is _ and the boiling point of water is __...?

(A) 0°C, 50°C

(B) 10°C, 100°C

(C) 0°C, 100°C

(D) 5°C, 90°C

Comments

Latest MCQs

Hen and chicken disorder is associated with__________ ...?

(A) Mango

(B) Grapes

(C) Tomato

(D) Guava

Comments

Latest MCQs

Mohs’ Scale” is used to indicate the_________...?

(A) Degree of hardness of minerals

(B) Degree of viscosity of a liquid

(C) Degree of elasticity of a material

(D) Degree of brittleness of a substance

Comments

Latest MCQs

P Waves are also said to be __________ waves...?

(A) Push-pull

(B) Side-side

(C) Up-down

(D) None of the above

Comments

Latest MCQs

1 Meter = _________ millimeters...?

(A) 10000 millimeters (mm)

(B) 10 millimeters (mm)

(C) 100 millimeters (mm)

(D) 1000 millimeters (mm)

Comments

Latest MCQs

Telephone was invented by__________...?

(A) Vint Cerf

(B) Charles Babbage

(C) Edison

(D) Alexander Graham Bell

Comments

Latest MCQs

The type of seed production without fusion of male and female gametes is ______...?

(A) Parthenocarpy

(B) Apomixes

(C) Grafting

(D) Scion

Comments

Latest MCQs

Water soluble Vitamins are _________...?

(A) A & D vitamins

(B) B & C vitamins

(C) A & K vitamins

(D) B & K vitamins

Comments

Latest MCQs

During winter in cold countries, the __________ is mixed to melt the ice on the icy roads....?

(A) Salt

(B) Chlorine

(C) Carbon dioxide

(D) Water

Comments

Latest MCQs

Cell or Tissue death within a living body is called as__________...?

(A) Neutrophilia

(B) Nephrosis

(C) Necrosis

(D) Neoplasia

Comments

Latest MCQs

Hypermetropia or Hyperopia means being able to see__________________...?

(A) Distant objects opaque

(B) Distant object clearly

(C) Close objects unclear

(D) Close objects clearly

Comments

Latest MCQs

Earth is closest to the sun every year in early , when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early ____, during our Northern Hemisphere summer....?

(A) January – July

(B) June – December

(C) July – January

(D) December – June

Comments

Latest MCQs

In middle latitudes, which cloud will have the lowest base ________________________ ...?

(A) Cirrostratus

(B) Stratocumulus

(C) Altocumulus

(D) Cirrus

Comments

Latest MCQs

Chief builder of the body are ___________...?

(A) Carbohydrates

(B) Proteins

(C) Fats

(D) None of these

Comments

Latest MCQs

For being able to see three-dimensional pictures we have to use_________...?

(A) A binocular

(B) A camera

(C) An epidiascope

(D) A stereoscope

Comments

Latest MCQs

The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?

(A) Diatonic scale

(B) Fahrenheit Scale

(C) Richter scale

(D) Celsius Scale

Comments

Latest MCQs

For being able to see three-dimensional pictures we have to use___________...?

(A) A binocular

(B) A camera

(C) A epidiascope

(D) A stereoscope

Comments

Latest MCQs

Bt seed is associated with:___________...?

(A) Rice

(B) Wheat

(C) Cotton

(D) Oilseed

Comments

Latest MCQs

Brass gets discoloured in air because of the presence of which of the following gases in air ________ ...?

(A) Carbon dioxide

(B) Oxygen

(C) Nitrogen

(D) Hydrogen sulphide

Comments

Latest MCQs

The molecular mass of Water molecule is __________...?

(A) 16amu

(B) 17amu

(C) 18amu

(D) 20amu

Comments

Latest MCQs

Percentage of water in an apple is__________...?

(A) 84%

(B) 90%

(C) 66%

(D) None of these

Comments

Latest MCQs

On passing through food stuff, X-ray can kill the___________...?

(A) Fungus

(B) Virus

(C) Bacteria

(D) insects

Comments

Latest MCQs

State of matter which has definite shape and volume is called __________...?

(A) Liquid

(B) Gas

(C) Solid

(D) None of these

Comments

Latest MCQs

Gold and Silver are known as _________ metals ...?

(A) Coinage metals

(B) Noble metals

(C) Both A & B

(D) None of these

Comments

Latest MCQs

The density of water is __________...?

(A) 1 g/cm3

(B) 1.5 g/cm3

(C) 2 g/cm3

(D) none of these

Comments

Latest MCQs

The Reason for a Swimming Pool to appear Less Deep than the actual depth is__________...?

(A) Refraction

(B) Light scattering

(C) Reflection

(D) Interference

Comments

Latest MCQs

According to Big Bang Theory, the Universe began about __________ billion years ago....?

(A) 10 – 20

(B) 20 – 30

(C) 30 – 40

(D) 40 – 50

Comments

Latest MCQs

Air contains maximum amount of__________...?

(A) oxygen

(B) nitrogen

(C) hydrogen

(D) carbon dioxide

Comments

Latest MCQs

Chemical name of vinegar is _____________...?

(A) Sodium Nitrate

(B) Dilute acetic acid

(C) Chloride of lime

(D) Calcium

Comments

Latest MCQs

People living in high altitudes (like mountains) usually have a _________...?

(A) smaller number of Red Blood Cells

(B) larger number of Red Blood Cells

(C) smaller number of White Blood Cells

(D) larger number of White Blood Cells

Comments

Latest MCQs

Pollutants that are introduced into the environment by human activity are called as ___________...?

(A) Qualitative pollutants

(B) Quantitative pollutants

(C) Anthropogenic pollutant

(D) All of Above

Comments

Latest MCQs

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

(A) Mesosphere

(B) Troposphere

(C) Stratosphere

(D) ionosphere

Comments

Latest MCQs

In Fahrenheit scale the freezing point of water is and boiling point of water is _ ...?

(A) 32°F, 212°F

(B) 212°F, 32°F

(C) 35°F, 210°F

(D) 210°F, 35°F

Comments

Latest MCQs

The most densest substance on the Earth is __________....?

(A) Platinum

(B) Copper

(C) Steel

(D) Osmium

Comments

Latest MCQs

For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________...?

(A) also decrease

(B) increase

(C) remains constant

(D) none of these

Comments

Latest MCQs

Synthetic resins are used on places where _______...?

(A) Electric resistance is required

(B) Water resistance is required

(C) Adhesion is required

(D) Friction is required

Comments

Latest MCQs

Earthquakes occur most frequently at __________...?

(A) Plate boundaries

(B) Plate surface

(C) Ocean beds

(D) All of the above

Comments

Latest MCQs

Seed Coat is also called _________...?

(A) Radical

(B) Testa

(C) Tegmen

(D) None of these

Comments

Latest MCQs

“Elephant” large unit of paper measurement equal to 28 by__________...?

(A) 23 inches

(B) 25 inches

(C) 28 inches

(D) 31 inches

Comments

Latest MCQs

Instrument used for measuring very high temperature is __________...?

(A) Pyroscope

(B) Pyrometer

(C) Seismograph

(D) Xylometer

Comments

Latest MCQs

The optic nerve which is found in the human brain is also called ___________...?

(A) Second cranial nerve

(B) Mini nervous

(C) Carnival nerve

(D) Sustained nerve

Comments

Latest MCQs

Removal of extra liquid water is _____...?

(A) Exudation

(B) Guttation

(C) Respiration

(D) Transpiration

Comments

Latest MCQs

The audio signals of TV are _____________...?

(A) Amplitude modulated

(B) Frequency modulated

(C) fixe modulated

(D) Velocity modulated

Comments

Latest MCQs

The first cloned animal was____________...?

(A) Goat

(B) Cow

(C) Rat

(D) Sheep

Comments

Latest MCQs

The term ‘Geography’ was coined first time by a Greek scholar _________ in 234BC...?

(A) Herodotus

(B) Thales of Miletus

(C) Eratosthenes

(D) Plato

Comments

Latest MCQs

Sound cannot travel through __________...?

(A) Solid

(B) Liquid

(C) Gases

(D) Vaccum

Comments

Latest MCQs

“Father of Optics” is the title given to__________...?

(A) Ibn-al-Haitham

(B) Ibn-e-Sina

(C) Al-Kandi

(D) Al-Biruni

Comments

Latest MCQs

Which of the following vitamins is synthesized in the body by intestinal bacteria_______...?

(A) Vitamins B1

(B) Vitamins B12

(C) Vitamins E

(D) Vitamins K

Comments

Latest MCQs

Oasis is associated with___________...?

(A) Glaciers

(B) Desert

(C) Islands

(D) Volcanoes

Comments

Latest MCQs

Parkinson is a disease of_________...?

(A) Lungs

(B) Eyes

(C) Brain

(D) Bones

Comments

Latest MCQs

The protons and neutrons are found in the center of the atom, which is called the _________of the atom...?

(A) Nucleus

(B) Headquarters

(C) Hub

(D) None of These

Comments

Latest MCQs

Blood is cleaned by __________...?

(A) Lungs

(B) Liver

(C) Heart

(D) Kidneys

Comments

Latest MCQs

Chemical formula for Water is _______ ...?

(A) NaAlO2

(B) H2O

(C) Al2O3

(D) CaSiO3

Comments

Latest MCQs

In an atomic nucleus, neutrons and protons are held together by: ___________...?

(A) Gravitational forces

(B) Exchange forces

(C) Coulombic forces

(D) Magnetic forces

Comments

Latest MCQs

Albatros is__________...?

(A) A sea bird

(B) A beetle

(C) A fruit

(D) None

Comments

Latest MCQs

The Latin word of the name given to a human being Homo Sapiens, include the: __________...?

(A) Genus & Family

(B) Family & Order

(C) Genus & Class

(D) Genus & Species

Comments

Latest MCQs

Covalent network crystals have_____________...?

(A) higher melting point then molecular crystals

(B) lower melting point then molecular crystals

(C) discrete molecules linked by Van der waals forces

(D) hydrogen bonding

Comments

Latest MCQs

Melanoma (skin cancer) is associated with ______________...?

(A) ozone accumulation

(B) ozone depletion

(C) acid rain

(D) allergens

Comments

Latest MCQs

Mercury, Venus, Earth and Mars are called___________...?

(A) Dwarf Planet

(B) Gaseous Planets

(C) Terrestrial Planets

(D) Both A & B

Comments

Latest MCQs

Sound travels about ___________times faster in water than in air....?

(A) 2

(B) 3

(C) 4

(D) 5

Comments

Latest MCQs

Sunsets on Mars are _________...?

(A) Red

(B) Blue

(C) Yellow

(D) Orange

Comments

Latest MCQs

The amount of energy required by the children of age between one to three years is___________...?

(A) 300 k Calories

(B) 600 k Calories

(C) 900 k Calories

(D) 1200 k Calories

Comments

Latest MCQs

The sun’s surface is called ___________...?

(A) Cromosphere

(B) Leutosphere

(C) Thermosphere

(D) Photosphere

Comments

Latest MCQs

Goitre is associated with___________...?

(A) Pituitary gland

(B) Thyroid gland

(C) Thymus gland

(D) Para-Thyroid gland

Comments

Latest MCQs

Sickle cell anemia is a _________...?

(A) Genetic disorder

(B) virus disease

(C) bacterial disease

(D) diseases due to vitamin deficiency

Comments

Latest MCQs

Swimmers make their bodies streamlined to ________ friction under water....?

(A) Increase

(B) Reduce

(C) Maintain

(D) Ignore

Comments

Latest MCQs

Trachoma is a disease of the___________...?

(A) Liver

(B) Eyes

(C) Lungs

(D) Kidneys

Comments

Latest MCQs

Soap is prepared by boiling caustic soda with ___________...?

(A) Alcohol

(B) Kerosene oil

(C) Glycerine

(D) Fats

Comments

Latest MCQs

At night, Plants intake and release ...?

(A) Oxygen – Carbon dioxide

(B) Carbon dioxide – Oxygen

(C) Oxygen – Carbon monoxide

(D) None of theseCarbon monoxide – Oxygen

Comments

Latest MCQs

Tibia is a bone found in the ____________...?

(A) Skull

(B) Arm

(C) Leg

(D) Face

Comments

Latest MCQs

UV light falls in the category of___________...?

(A) Ionizing Radiations

(B) Non Ionizing Radiation

(C) Visible light

(D) None

Comments

Latest MCQs

Electric motor was invented by __________ ...?

(A) Michael Faraday

(B) Oliver Evans

(C) Thomas Edison

(D) Horace Day

Comments

Latest MCQs

A gas is a state of matter _______...?

(A) Definite volume and definite shape

(B) Definite volume and indefinite shape

(C) Indefinite volume and indefinite shape

(D) Indefinite volume and definite shape

Comments

Latest MCQs

Very High Frequency (VHF) have __________ wavelengths...?

(A) shorter

(B) shortest

(C) longer

(D) longest

Comments

Latest MCQs

Percentage of water in a tomato is__________...?

(A) 94%

(B) 90%

(C) 47%

(D) None of these

Comments

Latest MCQs

Example of gas having monoatomic molecules is ___________ ...?

(A) Nitrogen

(B) Nydrogen

(C) Neon and argon

(D) Oxygen and nitrogen

Comments

Latest MCQs

The main constituent of Pearls are: ______________...?

(A) Calcium oxide &Ammonium Chloride

(B) Calcium Carbonate &Megnesium Carbonate

(C) Aragonite & Conchiolin

(D) None of these

Comments

Latest MCQs

The production of rubber tree is better adopted to areas where the climate is_________...?

(A) Warm and humid

(B) Warm and dry

(C) Cool and moist

(D) cool and dry

Comments

Latest MCQs

If force of 6N displaces an object 2m in the direction of force, then work done will be __________...?

(A) 0

(B) 12 Joule

(C) 3 Joule

(D) Both b and c

Comments

Latest MCQs

The earth’s ___________ is divided into 15 major plates of various sizes...?

(A) Mesosphere

(B) Stratosphere

(C) Lithosphere

(D) None

Comments

Latest MCQs

A liquid is a state of matter _______...?

(A) Definite volume and definite shape

(B) Indefinite volume and definite shape

(C) Definite volume and indefinite shape

(D) Indefinite volume and indefinite shape

Comments

Latest MCQs

Cotyledons are very Important because they ________...?

(A) Store Food

(B) Store Water

(C) Store Air

(D) None of these

Comments

Latest MCQs

P-waves is a term associated with__________...?

(A) Earthquakes

(B) Oceans

(C) Wind

(D) Rivers

Comments

Latest MCQs

A crescograph is a device for measuring the growth in __________...?

(A) Micro Organism

(B) Plants

(C) Human

(D) Pollution

Comments

Latest MCQs

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

Comments

Latest MCQs

Dengue Fever is also called___________...?

(A) Black Fever

(B) Breakbone Fever

(C) Plasmodium Fever

(D) Remittent Fever

Comments

Latest MCQs

Electronics comprises the _________...?

(A) Physics

(B) Engineering

(C) Technology

(D) All of these

Comments

Latest MCQs

Exosphere interacts with ___________ of Earth at roughly distance of 10,000 km....?

(A) Electrosphere

(B) Magnetosphere

(C) Spectrosphere

(D) Echosphere

Comments

Latest MCQs

Despite the fluctuation in human body temperature. The temperature of human body remains at _________...?

(A) 35 °C

(B) 37 °C

(C) 42 °C

(D) 54 °C

Comments

Latest MCQs

The major ingredient of leather is__________________...?

(A) Collagen

(B) Polymer

(C) Nucleic acid

(D) None of these

Comments

Latest MCQs

A convex mirror always ___________ ...?

(A) Forms a real image

(B) Forms a virtual image

(C) Forms an inverted image

(D) Produces a larger image

Comments

Latest MCQs

Erythrocyte is another name for a ___________...?

(A) white blood Cells

(B) Platelet

(C) Red Blood cells

(D) Plasma

Comments

Latest MCQs

There is a hole in the Ozone Layer at__________...?

(A) South Pole

(B) North Pole

(C) Both A and B

(D) None of These

Comments

Latest MCQs

Earthquake waves travel faster in __________...?

(A) Water

(B) Flexibl rock

(C) Air

(D) Soil

Comments

Latest MCQs

Fuel used in a Fast Breeder Reactor is _____________...?

(A) Uranium Oxide

(B) Uranium Plutonium carbide

(C) Uranium Plutonium Oxide

(D) Uranium thorium Oxide

Comments

Latest MCQs

The species that flower are called ______________...?

(A) Gymnosperms

(B) Bryophytes

(C) Angiosperms

(D) Algae

Comments

Latest MCQs

Heavy mechanical complex use a large amount of water for_________...?

(A) Cooling

(B) Freezing

(C) Washing

(D) Mixing

Comments

Latest MCQs

Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________...?

(A) Conduction

(B) Convection

(C) Radiation

(D) Reflection

Comments

Latest MCQs

Freezing point of water is__________...?

(A) 0°C

(B) -2°C

(C) -4°C

(D) None of above

Comments

Latest MCQs

The soul of chemistry is dealing with___________...?

(A) Internal structural changes in matter

(B) Composition of matter

(C) Properties of matter

(D) Composition and properties of matter

Comments

Latest MCQs

Insects responsible for transmitting diseases are called___________...?

(A) Drones

(B) Vectors

(C) Hybirds

(D) None of these

Comments

Latest MCQs

What is the third most common gas found in the air we breathe ________ ...?

(A) Hydrogen

(B) Neon

(C) Carbondioxide

(D) Argon

Comments

Latest MCQs

The diagnosis of anthrax in cattle may be made by__________...?

(A) Spore staining

(B) Quellung reaction.

(C) Mcyfaydean reaction

(D) None of the above

Comments

Latest MCQs

Elements are made of _________...?

(A) Atoms

(B) Molecules

(C) H2O

(D) Compounds

Comments

Latest MCQs

Balloons are filled with _________ ...?

(A) Nitrogen

(B) Helium

(C) Oxygen

(D) Argon

Comments

Latest MCQs

Fan was invented by___________...?

(A) Arthur Schimit

(B) Alfered Nobel

(C) Skaats Wheeler

(D) None of these

Comments

Latest MCQs

Stars in the sky appear to twinkle due to _________...?

(A) a series of refractions

(B) a series of reflections

(C) a surface tension phenomenon

(D) multiple diminishing brightness

Comments

Latest MCQs

“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

Comments

Latest MCQs

Male birds are ________ colorful than female birds....?

(A) Less

(B) More

(C) Equal

(D) None of these

Comments

Latest MCQs

The gas heater gives us heat by __________...?

(A) Radiation

(B) Conduction

(C) Convection

(D) Environmental pressure

Comments

Latest MCQs

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

(A) Periods

(B) Groups

(C) Rows

(D) Lanthanoids series

Comments

Latest MCQs

A loudspeaker changes _________ energy into sound energy....?

(A) Chemical

(B) Electrical

(C) Light

(D) Kinetic

Comments

Latest MCQs

Which one of the following is not a true snake________ ...?

(A) Blink snake

(B) Glass snake

(C) Sea snake

(D) Tree snake

Comments

Latest MCQs

What percentage of earth’s water supply is fresh water___________...?

(A) 3%

(B) 5%

(C) 21%

(D) None of these

Comments

Latest MCQs

The Oort cloud is estimated to be about __________ AU away from the sun...?

(A) 100,000

(B) 200,000

(C) 300,000

(D) 400,000

Comments

Latest MCQs

Female Ova are ___________...?

(A) Haploid

(B) Diploid

(C) Triploid

(D) None of these

Comments

Latest MCQs

Examples of Monosaccharides are ___________....?

(A) Glucose

(B) Galactose

(C) Fructose

(D) All of these

Comments

Latest MCQs

In the manufacture of banaspati ghee the gas used is __________...?

(A) Helium

(B) Hydrogen

(C) Oxygen

(D) Nitrogen

Comments

Latest MCQs

Periodontics deals with _____________...?

(A) Surgery of spine

(B) Stomach disorders

(C) Ligaments restoration

(D) Dentistry

Comments

Latest MCQs

The red blood cells originate in the ____________...?

(A) Brain

(B) Muscles

(C) Ligaments

(D) Bone Marrow

Comments

Latest MCQs

Mercury is the closest planet to the Sun, but Venus is hotter than Mercury because of its_________...?

(A) Pressure

(B) axis

(C) atmosphere

(D) surface

Comments

Latest MCQs

Which of the following are non-biodegradable materials ______...?

(A) Dead Animals

(B) Plastics

(C) Bread

(D) None of these

Comments

Latest MCQs

An active asteroid is discovered near ________ Orbit for the first time in billion years....?

(A) Saturn

(B) Mars

(C) Neptune

(D) Jupiter

Comments

Latest MCQs

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

Comments

Latest MCQs

Instrument of rain gauge is _________...?

(A) Drosometer

(B) Ombrometer

(C) Micrometer

(D) Pyrometer

Comments

Latest MCQs

Cover of the capsule is made of__________...?

(A) Paper

(B) Polythene

(C) Eggshell

(D) Gelatin

Comments

Latest MCQs

The Time taken for sunlight to reach the Earth is___________...?

(A) 700 sec

(B) 8hrs 20 mins

(C) 8 mins 20 sec

(D) 8 mins

Comments

Latest MCQs

In the Composition of the earth, Aluminum is _______________...?

(A) 27.5%

(B) 20.3%

(C) 14.5%

(D) 8.23%

Comments

Latest MCQs

The average heartbeat per minute in a normal man is _________...?

(A) 50

(B) 70

(C) 80

(D) 100

Comments

Latest MCQs

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

(A) 300°C

(B) 350°C

(C) 400°C

(D) 450°C

Comments

Latest MCQs

Ozone layer protects the Earth from __________ radiations from the Sun....?

(A) microwaves

(B) infrared

(C) X-rays

(D) ultraviolet

Comments

Latest MCQs

Wood is the main raw material for the manufacture of ____________...?

(A) Paint

(B) Gun powder

(C) Paper

(D) Ink

Comments

Latest MCQs

Triple point of water is _________...?

(A) 271 K

(B) 272.2 K

(C) 273.16 K

(D) None of these

Comments

Latest MCQs

The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ___________...?

(A) Barograph

(B) Radiosonde

(C) Aneroid barometer

(D) Altimeter

Comments

Latest MCQs

The back thigh muscles are also called__________...?

(A) Gluteal

(B) Hamstring

(C) Sartorious

(D) Deltoid

Comments

Latest MCQs

Which of the following metal occurs in free state ______________...?

(A) Lead

(B) Iron

(C) Mercury

(D) Copper

Comments

Latest MCQs

The planets visible to us without using a telescope are __________...?

(A) 3

(B) 4

(C) 5

(D) 6

Comments

Latest MCQs

The rocks formed out of layers of sediment bonded together are known as _______________...?

(A) Metamorphic rocks

(B) Sedimentary rocks

(C) Igneous rocks

(D) All of the above

Comments

Latest MCQs

Vaccination is synonymous with ___________ immunity...?

(A) Artificial Active

(B) Natural Active

(C) Allergy

(D) None of These

Comments

Latest MCQs

Stratosphere is present at an altitude between _________....?

(A) 15 km and 35 km

(B) 17 km and 35 km

(C) 18 km and 35 km

(D) 19 km and 35 km

Comments

Latest MCQs

The audible range of normal bat ear is ______...?

(A) 20 Hz to 120 kHz

(B) 20 Hz to 20 kHz

(C) 20 kHz to 110 kHz

(D) 20 Hz to 50 KHz

Comments

Latest MCQs

Only male frog produce croacking sound because _________ ...?

(A) Male frog can magnify their voice with the help of sound box.

(B) Male frog have three pair of vocal cord

(C) Female frog have larynx but no vocal cord

(D) Female frog have no larynx

Comments

Latest MCQs

Which one of the following represents a chemical change_________...?

(A) Sublimation of iodine

(B) Heating a platinum wire in a Bunsen flame

(C) Heating of mercuric oxide powder

(D) Evaporation of alcohol

Comments

Latest MCQs

1 Carat is equal to __________...?

(A) 0.2 g

(B) 0.3 g

(C) 0.4 g

(D) 0.5 g

Comments

Latest MCQs

Amnesia is related to:__________...?

(A) Sleeping sickness

(B) Loss of sight

(C) Loss of hearing

(D) Loss of memory

Comments

Latest MCQs

Gulf streams are caused by__________....?

(A) Cyclones

(B) Ocean Pressure

(C) Temperature

(D) Difference in water level

Comments

Latest MCQs

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

(A) Sodium

(B) Barium

(C) Mercury

(D) Potassium

Comments

Latest MCQs

The strongest part(s) of a magnet is/are _________...?

(A) North pole

(B) South pole

(C) North and south pole

(D) Median of north and south pole

Comments

Latest MCQs

In 2013, Planck measured the age of the universe at ___________...?

(A) 13.82 billion years

(B) 4.53 billion years

(C) 4.6 billion years

(D) 4.53 billion years

Comments

Latest MCQs

Highest Clouds are ___________...?

(A) Cirrocumulus

(B) Cirrus

(C) Cirrostratus

(D) All of these

Comments

Latest MCQs

In human osmoregulation takes place by___________...?

(A) Liver

(B) Kidney

(C) Spleen

(D) Lungs

Comments

Latest MCQs

The first and largest asteroid discovered was__________...?

(A) Pallas

(B) Juno

(C) Ceres

(D) Trojan

Comments

Latest MCQs

Water soluble vitamins are released by__________...?

(A) Sweat

(B) Tears

(C) Injections

(D) Urine

Comments

Latest MCQs

The season changes because of the ____________...?

(A) Moon is revolving round the earth

(B) Earth is revolving round its axis

(C) Earth is revolving round the sun

(D) Planet Mars is attracting the sun

Comments

Latest MCQs

A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________...?

(A) behind him

(B) in front of him

(C) into his hand

(D) by his side

Comments

Latest MCQs

The term xerostomia refers to_________...?

(A) dry skin

(B) dry mouth

(C) dry nose

(D) dry head

Comments

Latest MCQs

The damage to the_________nerve could result in the defect of the eye movement:...?

(A) Optic

(B) Trigeminal

(C) Abducens

(D) none

Comments

Latest MCQs

According to Quark theory, there are _________ elementary particles....?

(A) Three

(B) Six

(C) Nine

(D) Ten

Comments

Latest MCQs

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

(A) Noble Prize

(B) UNESCO peace prize

(C) Right livelihood prize

(D) All of these

Comments

Latest MCQs

Elements which have same number of protons but different number of neutrons are called as _________ ...?

(A) Isotopes

(B) Isomers

(C) Allotropes

(D) Allomers

Comments

Latest MCQs

A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________...?

(A) – 2O°C

(B) – 10°C

(C) + 10°C

(D) + 20°C

Comments

Latest MCQs

A camera uses a __________ to form an image....?

(A) convex lens

(B) concave lens

(C) condenser lens

(D) none of these

Comments

Latest MCQs

Spring balance is used to measure _________...?

(A) Mass

(B) Weight

(C) Elasticity

(D) Density

Comments

Latest MCQs

Combustion can not take place without __________...?

(A) Hydrogen

(B) Air

(C) Oxygen

(D) Argon

Comments

Latest MCQs

Hepatitis is caused by: ____________...?

(A) Protozoans

(B) Algae

(C) Fungi

(D) Virus

Comments

Latest MCQs

Pluviometer measures ___________...?

(A) Wind

(B) Strength of Plywood

(C) Rainfall

(D) None of these

Comments

Latest MCQs

The main cause of floods in the river is__________...?

(A) Heavy snowfall

(B) Earthquakes

(C) Deforestation

(D) Construction of dams

Comments

Latest MCQs

The height of the troposphere varies between ____________....?

(A) 7 km at equator and 17 km at poles

(B) 17 km at equator and 7 km at poles

(C) 18 km at equator and 8 km at poles

(D) 8 km at equator and 18 km at poles

Comments

Latest MCQs

Mohus scale is used for to measure ____________...?

(A) Hardness

(B) Humidity

(C) Pressure

(D) Temperature

Comments

Latest MCQs

pH value of water is _________...? Mcqs

PPSC Past Papers