Which of the following pairs belong to the category of cold blooded animals?

A: Bat and rats

B: Snakes and birds

C: Frog and snakes

D: Birds and monkey

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Frog and snakes

Hydrogen peroxide (H2O2)____?

A: is poisonous to tissues

B: helps line up cell proteins

C: is often needed as a catalyst

D: aids in oxidation of glucose

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is poisonous to tissues

What is the name of the gas used in an air conditioner?

A: Nitrous oxide

B: Ammonia

C: Freon

D: CO2

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Freon

The Shortest (smallest) bone in human body is______?

A: Tibia

B: Stapes

C: Femur

D: Humerus

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Stapes

The Stevenson screen contains all of these EXCEPT:

A: Maximum thermometer

B: Wet bulb thermometer

C: Ordinary thermometer

D: Anemometer

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Anemometer

Frozen dew is also known as___?

A: Black ice

B: Frost

C: Frozen ice

D: Black hail

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Black ice

The pancreas secrets______?

A: Vitamin A

B: Insulin

C: Bile juice

D: none of these

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Insulin

lightest metal is_____?

A: Sodium

B: Lithium

C: Magnesium

D: Aluminium

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Lithium

Water is 50 times more viscous than _______ ?

A: Alcohol

B: Oil

C: Gases

D: Solid

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Gases

The variety of coal in which the deposit contains recognizable traces of the original plant material is_______?

A: anthracite

B: bitumen

C: lignite

D: peat

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