Mass of Earth is _____...? Mcqs

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Mass of Earth is _____...?

(A) 6.0 x 10^23 kg
(B) 6.0 x 10^24 kg

(C) 6.0 ´ 10^25 kg
(D) 6.0 ´ 10^26 kg

✅ Correct Answer: 6.0 x 10^24 kg

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Source: This question is taken from the Everyday Science

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1 Carat is equal to __________...?

(A) 0.2 g
(B) 0.3 g

(C) 0.4 g
(D) 0.5 g

✅ Correct Answer: 0.2 g

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The audible range of normal human ear is ____...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

✅ Correct Answer: 20 Hz to 20kHz

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

(A) Platinum
(B) Copper

(C) Steel
(D) Osmium

✅ Correct Answer: Osmium

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

(A) convex lens
(B) concave lens

(C) condenser lens
(D) none of these

✅ Correct Answer: convex lens

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

(A) Diversity
(B) Serenity

(C) Curiosity
(D) Divinity

✅ Correct Answer: Curiosity

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The value of Kc increases when ______...?

(A) [Product] is less
(B) [Product] is more

(C) [Reactant] is more
(D) [Reactant = product]

✅ Correct Answer: [Product] is more

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Atomic mass of an element is equal to ______...?

(A) Mass of protons and neutrons
(B) Mass of protons and electrons

(C) Mass of electrons and neutrons
(D) Mass of protons only

✅ Correct Answer: Mass of protons and neutrons

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Heat capacity is the product of mass and _______...?

(A) Boiling point
(B) Freezing point

(C) Energy
(D) Specific heat of material

✅ Correct Answer: Specific heat of material

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The mobility of liquids is lesser than ______...?

(A) Solids
(B) Gases

(C) Plasma
(D) Bose Einstein Condensate

✅ Correct Answer: Gases

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The materials required for photosynthesis are _______...?

(A) Water (H2O) and Oxygen (O2)
(B) Water (H2O) and Carbon Dioxide (CO2)

(C) Carbon Dioxide (CO2) and Light Energy
(D) Glucose (C6H12O6) and Oxygen (O2)

✅ Correct Answer: Carbon Dioxide (CO2) and Light Energy

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Electronics comprises the _________...?

(A) Physics
(B) Engineering

(C) Technology
(D) All of these

✅ Correct Answer: All of these

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

(A) Moon
(B) Star

(C) Water
(D) Sun

✅ Correct Answer: Sun

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The nearest Star to the planet earth is ________ ...?

(A) Regel
(B) Canopus

(C) Sun
(D) Betelgeuse

✅ Correct Answer: Sun

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

(A) Genetic
(B) Brain

(C) Eye
(D) Body Weight Loss

✅ Correct Answer: Brain

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Approximate age of earth is ________...?

(A) 4.14 billion years
(B) 4.64 billion years

(C) 4.54 billion years
(D) 4.34 billion years

✅ Correct Answer: 4.54 billion years

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

(A) P waves
(B) S waves

(C) Surface waves
(D) All of the above

✅ Correct Answer: Surface waves

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Fats are solids at ______...?

(A) Ordinary room temperature
(B) High temperature

(C) Higher than 50°C temperature
(D) N.O.T

✅ Correct Answer: Ordinary room temperature

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The velocity of a wave is equal to ______...?

(A) Wavelength x Frequency
(B) Wavelength / Frequency

(C) Frequency / Wavelength
(D) Wavelength + Frequency

✅ Correct Answer: Wavelength x Frequency

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Sunsets on Mars are _________...?

(A) Red
(B) Blue

(C) Yellow
(D) Orange

✅ Correct Answer: Blue

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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

✅ Correct Answer: Cryosphere

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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

✅ Correct Answer: Adhesion is required

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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

✅ Correct Answer: N, P, K

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0.05 kilometre is equal to _____...?

(A) 5m
(B) 500m

(C) 50m
(D) 5000m

✅ Correct Answer: 50m

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Atephobia is fear of _________...?

(A) Imperfection
(B) Heights

(C) Attitude
(D) None of these

✅ Correct Answer: Imperfection

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Tetanus is a _________ infection....?

(A) Viral
(B) Bacterial

(C) Fungal
(D) Parasitic

✅ Correct Answer: Bacterial

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A fathom is equal to ________feets...?

(A) 6
(B) 5

(C) 4
(D) 3

✅ Correct Answer: 6

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Plant stem that arise from buds on the base of parent plants are ______...?

(A) Bulb
(B) Rhizome

(C) Sucker
(D) Runner

✅ Correct Answer: Sucker

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Selective reabsorption in nephron takes place at ______...?

(A) Glomerulus
(B) Malpighian body

(C) Convulated tubules
(D) Loop of Henle's

✅ Correct Answer: Convulated tubules

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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

✅ Correct Answer: 37 °C

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Root hairs are most important to a plant because they ______...?

(A) Store starch
(B) Contain xylem tissues

(C) Provide a habitat for nitrogen fixing bacteria
(D) Increase the surface area for absorption

✅ Correct Answer: Increase the surface area for absorption

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The condition for the validity of Ohm's law is that the ______...?

(A) Temperature should remain constant
(B) Current should be proportional to voltage

(C) Resistance must be wire wound type
(D) All of the above

✅ Correct Answer: Temperature should remain constant

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Solution of biological problem starts with ______...?

(A) Hypothesis
(B) Experimentation

(C) Conclusion
(D) Observation

✅ Correct Answer: Observation

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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

✅ Correct Answer: 56 ft

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The pancreas secrets___________...?

(A) Insulin
(B) Vitamin A

(C) Bile juice
(D) none of these

✅ Correct Answer: Insulin

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Coulombs law most closely resembles with ______...?

(A) Law of conservation of Energy
(B) Newton's Law of Gravitation

(C) Newton's 2nd law of Motion
(D) Faraday's law

✅ Correct Answer: Newton's Law of Gravitation

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Bond which involve 3 shared electron pairs is a ______...?

(A) Double covalent bond
(B) Single covalent bond

(C) Triple covalent bond
(D) None of above

✅ Correct Answer: Triple covalent bond

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The waves that have maximum penetrating power to treat tumors are ______...?

(A) Ultraviolet radiation
(B) Microwaves

(C) Gamma-rays
(D) Radio waves

✅ Correct Answer: Gamma-rays

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Digital T.V emits that ______...?

(A) X rays
(B) Y rays

(C) Z rays
(D) Radio Waves

✅ Correct Answer: Radio Waves

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The audible range of normal whale ear is _____...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

✅ Correct Answer: 10 Hz to 31kHz

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The abrasives are ______...?

(A) Water
(B) Water insoluble minerals

(C) Water semi soluble minerals
(D) Water absorving minerals

✅ Correct Answer: Water insoluble minerals

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

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

✅ Correct Answer: 16 Hz to 20kHz

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Value of 1 Farady is equal to ______...?

(A) 9.65 C
(B) 9650 C

(C) 96500 C
(D) 965 C

✅ Correct Answer: 96500 C

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Enzymes are ______...?

(A) Steroid in nature
(B) Protein in nature

(C) Lipid in nature
(D) Carbohydrate in nature

✅ Correct Answer: Protein in nature

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

(A) Radiation
(B) Conduction

(C) Convection
(D) Environmental pressure

✅ Correct Answer: Convection

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Sound waves first enter the ______...?

(A) Eardrum
(B) Cochlea

(C) Ear Canal
(D) Stirrup

✅ Correct Answer: Ear Canal

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Vaccination is synonymous with ___________ immunity...?

(A) Artificial Active
(B) Natural Active

(C) Allergy
(D) None of These

✅ Correct Answer: Artificial Active

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

(A) Electrosphere
(B) Magnetosphere

(C) Spectrosphere
(D) Echosphere

✅ Correct Answer: Magnetosphere

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A mass of 4 kg is equal to _____...?

(A) 400 g
(B) 4000g

(C) 40 g
(D) 40000 g

✅ Correct Answer: 4000g

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

(A) Cell Bodies
(B) Axons

(C) Nuclei
(D) Dendrites

✅ Correct Answer: Dendrites

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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

✅ Correct Answer: 45 Hz to 64kHz

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Ohm's law states that _______...?

(A) Resistance increases as current increases
(B) Resistance decreases as current increases

(C) Resistance increases as voltage increases
(D) Current increases as voltage increases

✅ Correct Answer: Current increases as voltage increases

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In a compound microscope, as compared to an objective, the eyepiece lens has a focal length _____...?

(A) Zero
(B) Small

(C) Negative
(D) Large

✅ Correct Answer: Small

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Highly intelligent Mammals are_________...?

(A) rat
(B) dolphin

(C) bat
(D) Elephant

✅ Correct Answer: dolphin

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Root hair is long, thin and tubular structure, it increases surface area which increases the _____...?

(A) Rate of absorption of water
(B) Rate of photosynthesis

(C) Rate of respiration
(D) Rate of growth

✅ Correct Answer: Rate of absorption of water

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One atmospheric pressure is equal to _____...?

(A) 10325 Pascal
(B) 106075 Pascal

(C) 10523 Pascal
(D) 101325 Pascal

✅ Correct Answer: 101325 Pascal

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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

✅ Correct Answer: 4.2 light years

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Stomach stores the ___________...?

(A) enzime
(B) Food

(C) hcl
(D) None of These

✅ Correct Answer: Food

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The life sustaining envelop of earth is _____...?

(A) Biomass
(B) Biomes

(C) Biosphere
(D) Atmosphere

✅ Correct Answer: Biosphere

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Corona disease is a ________  disease...?

(A) Infectious diseases
(B) Deficiency disease

(C) Hereditary disease
(D) Physiological diseases

✅ Correct Answer: Infectious diseases

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Ozone layer is part of ______...?

(A) Mesosphere
(B) Stratosphere

(C) Thermosphere
(D) Troposphere

✅ Correct Answer: Troposphere

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The largest latitude circle on earth is ________...?

(A) Arctic circle
(B) Tropic of cancer

(C) Tropic of Capricorn
(D) The Equator

✅ Correct Answer: The Equator

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

(A) Venus
(B) Mercury

(C) Mars
(D) Moon

✅ Correct Answer: Venus

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Cotyledons are very Important because they ________...?

(A) Store Food
(B) Store Water

(C) Store Air
(D) None of these

✅ Correct Answer: Store Food

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

(A) microwaves
(B) infrared

(C) X-rays
(D) ultraviolet

✅ Correct Answer: ultraviolet

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

(A) Hydrogen
(B) Neon

(C) Carbondioxide
(D) Argon

✅ Correct Answer: Argon

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Most protists are ______...?

(A) Terrestrial
(B) Fungal

(C) Photosynthetic
(D) Aquatic

✅ Correct Answer: Aquatic

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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

✅ Correct Answer: Hydrogen sulphide

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Sickle cell anemia is a _________...?

(A) Genetic disorder
(B) virus disease

(C) bacterial disease
(D) diseases due to vitamin deficiency

✅ Correct Answer: Genetic disorder

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Water soluble Vitamins are _________...?

(A) A & D vitamins
(B) B & C vitamins

(C) A & K vitamins
(D) B & K vitamins

✅ Correct Answer: B & C vitamins

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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

✅ Correct Answer: Radiation

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

(A) Convection
(B) radiation

(C) Conduction
(D) None of these

✅ Correct Answer: radiation

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The human heart is _______ ...?

(A) Ampullary Heart
(B) Pulsating Heart

(C) Myogenic Heart
(D) Neurogenic Heart

✅ Correct Answer: Myogenic Heart

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Sound waves are _________ waves....?

(A) Transverse
(B) Electromagnetic

(C) Longitudinal
(D) None of these

✅ Correct Answer: Longitudinal

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Water is 50 times more viscous than ____________ ...?

(A) Oil
(B) Alcohol

(C) Gases
(D) Solid

✅ Correct Answer: Gases

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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

✅ Correct Answer: 20 kHz to 110 kHz

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Ombrophobia is fear of____________...?

(A) Rain
(B) Snow

(C) Smog
(D) None of these

✅ Correct Answer: Rain

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A communication satellite completes its one revolution around the Earth in ______ hours....?

(A) 6
(B) 12

(C) 18
(D) 24

✅ Correct Answer: 24

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The point through which a ray of light passes without changing its path is the _____...?

(A) Focal Point
(B) Principal Axis

(C) Optical Centre
(D) Centre of Curvature

✅ Correct Answer: Optical Centre

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

(A) Sound
(B) Light

(C) Heat
(D) Water

✅ Correct Answer: Heat

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?

(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface

(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior

✅ Correct Answer: Heat energy from the earth’s interior

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Periodontics deals with _____________...?

(A) Surgery of spine
(B) Stomach disorders

(C) Ligaments restoration
(D) Dentistry

✅ Correct Answer: Dentistry

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All Transition Elements are _____...?

(A) Gases
(B) Metals

(C) Nonmetals
(D) Metalloids

✅ Correct Answer: Metals

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

(A) Calcium oxide &Ammonium Chloride
(B) Calcium Carbonate &Megnesium Carbonate

(C) Aragonite & Conchiolin
(D) None of these

✅ Correct Answer: Calcium Carbonate &Megnesium Carbonate

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

(A) 106 ohm
(B) 108 ohm

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

✅ Correct Answer: 106 ohm

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

(A) Red
(B) Blue

(C) Violet
(D) Green

✅ Correct Answer: Red

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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

✅ Correct Answer: Quinoline is an inhibitor

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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

✅ Correct Answer: Energy is high

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

(A) Mars
(B) Saturn

(C) Uranus
(D) Jupiter

✅ Correct Answer: Jupiter

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The first organism on earth were _______________...?

(A) autotrophs
(B) heterotrophs

(C) saprotrophs
(D) none of these

✅ Correct Answer: heterotrophs

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Compressed Natural Gas (CNG) has the same chemical composition as that of _____...?

(A) LPG
(B) Tear gas

(C) Hydrogen
(D) Sui Gas

✅ Correct Answer: Sui Gas

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

(A) Gravitational force
(B) Electrostatic force

(C) Magnetic force
(D) Nuclear force

✅ Correct Answer: Gravitational force

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Moon light reaches to earth in___________seconds...?

(A) 0.3 seconds
(B) 1.3 seconds

(C) 2.3 seconds
(D) 3.3 seconds

✅ Correct Answer: 1.3 seconds

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

(A) Mesosphere
(B) Stratosphere

(C) Lithosphere
(D) None

✅ Correct Answer: Lithosphere

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