Which of the following is most elastic ?

A: Steel

B: Rubber

C: Glass

D: Sponge

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Steel

Hygrometer is used for measuring the ____________?

A: Speed of sound

B: Density of milk

C: Humidity of air

D: Specific gravity of liquids

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Humidity of air

Role of biotechnology in the production of food based on ___________?

A: Decomposition

B: Respiration

C: Digestion

D: Fermentation

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Fermentation

Sensitive layer of the eye is?

A: Choriods

B: Sclerotic

C: Retina

D: Cornea

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Retina

Copper can be converted into gold by ?

A: Artificial radioactivity

B: heating

C: Electroplating

D: Chemical reaction

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Artificial radioactivity

Ombrophobia is fear of_______?

A: Snow

B: Rain

C: Smog

D: None of these

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Rain

The Proportion of Hydrogen to Helium in the Sun is___?

A: 3:01

B: 3:02

C: 1:01

D: 3:04

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3:01

The approximate intensity level of the sound which can cause damage to the ear drum is?

A: 60 dB

B: 20 dB

C: 100 dB

D: 160 dB

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100 dB

Animals living in the Tree trunks are known as______?

A: Volant

B: Arboreal

C: Amphibious

D: Aquaticx

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Arboreal

Common food sources of Vitamin A are:______?

A: White sugar, honey, and sugar cane

B: Milk, eggs, butter, cheese, cream, and liver

C: Broccoli, apricots, cantaloupe, carrots, sweet potato, spinach

D: Both A and C

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Both A and C

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