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

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πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

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

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

βœ… Correct Answer: Calcium Carbonate &Megnesium Carbonate

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The type of glass used in making lenses and prism is___________...?

(A) Pyrex glass
(B) jena glass

(C) Flintglass
(D) Soft glass

βœ… Correct Answer: Flintglass

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

βœ… Correct Answer: Nitrogen

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Chemical name of vinegar is _____________...?

(A) Sodium Nitrate
(B) Dilute acetic acid

(C) Chloride of lime
(D) Calcium

βœ… Correct Answer: Dilute acetic acid

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Acid deposition causes ______________________...?

(A) the greenhouse effect to lessen
(B) lakes and forests to die

(C) acid indigestion in humans
(D) all the above are correct

βœ… Correct Answer: lakes and forests to die

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The first organism on earth were _______________...?

(A) autotrophs
(B) heterotrophs

(C) saprotrophs
(D) none of these

βœ… Correct Answer: heterotrophs

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The most abundant constituent in Air is ______...?

(A) Hydrogen
(B) Oxygen

(C) Nitrogen
(D) Carbon Dioxide

βœ… Correct Answer: Nitrogen

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

1 yard =___________...?

(A) 3 feet
(B) 6 feet

(C) 2.4 feet
(D) 12 feet

βœ… Correct Answer: 3 feet

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________...?

(A) Selection
(B) Introduction

(C) Acclimatization
(D) Quarantine

βœ… Correct Answer: Acclimatization

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Vitamin C deficiency leads to:____________...?

(A) Scurvy
(B) Cold

(C) Cancer
(D) Rickets

βœ… Correct Answer: Scurvy

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

βœ… Correct Answer: Collagen

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

βœ… Correct Answer: Mineral

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The atmosphere of moon consists of______________...?

(A) 90% Hydrogen, 10% Nitrogen
(B) 80%Nitrogen, 20% Hydrogen

(C) 60% Nitrogen, 40%inert gases
(D) None

βœ… Correct Answer: 60% Nitrogen, 40%inert gases

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Stars are huge balls of gas mainly consist of _______ and ________...?

(A) Oxygen, Nitrogen
(B) Helium, Oxygen

(C) Hydrogen, Helium
(D) Nitrogen, Carbon

βœ… Correct Answer: Hydrogen, Helium

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The alpha particles are compact clusters of______________...?

(A) Electron and Proton
(B) Two Protons and two Neutrons

(C) Three protons and three Neutrons
(D) None

βœ… Correct Answer: Two Protons and two Neutrons

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

DNA is _____________...?

(A) Acetic Acid
(B) A class of nucleic acids

(C) Citric Acid
(D) None of these

βœ… Correct Answer: A class of nucleic acids

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: January – July

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The main Constituent of Biogas is__________...?

(A) Methane
(B) Hydrogyn

(C) Oxygen
(D) Carbin dioxide

βœ… Correct Answer: Methane

Comments

Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) ionosphere

βœ… Correct Answer: Stratosphere

Comments

Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The main constituent of hemoglobin is___________...?

(A) Chlorine
(B) Iron

(C) Calcium
(D) None of these

βœ… Correct Answer: Iron

Comments

Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Winter Solstice means____________...?

(A) longest night
(B) longest day

(C) smallest night
(D) smallest day

βœ… Correct Answer: longest night

Comments

Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The β€˜stone’ formed in human kidney consist mostly of_____________...?

(A) Calcium oxalate
(B) Sodium acetate

(C) Magnesium sulphate
(D) Calcium

βœ… Correct Answer: Calcium oxalate

Comments

Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The chief constituents of gobar gas is_________...?

(A) Methane
(B) Oxygen

(C) Hydrogen
(D) Carbon monoxide

βœ… Correct Answer: Methane

Comments

Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Water vapor is ______________...?

(A) A gas
(B) A cloud droplet

(C) A rain drop
(D) A snowflake

βœ… Correct Answer: A gas

Comments

Source: This question is taken from the Everyday Science

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