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ETEA Past Papers /
Biology /
Chap No 2 /
Quiz 1

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MDCAT - ETEA Past Papers - Biology - Chap No 2 Quiz

Attempt 10 MCQs on MDCAT - ETEA Past Papers - Biology - Chap No 2 | Quiz 1

1. If water has high latent heat of vaporization, how this property of water could be helpful to plants and animals:

With release of large amount of water vapors,a small amount of heat loss will take place
No cooling effect with the release of even large amount of water vapors
It will keep their temperature very high
With the release of small amount of water vapors,a great amount of heat loss can take place

2. What is the % of water in 99 bone cells ?

70%
20%
99%
60%

3. How much temperature rise (°C) will be observed, as per definition of specific capacity, if energy is used to raise the temperature of 1gram of a substance?

1°C
2°C
3°C
4°C

4. Which property of water enables it to act as temperature stabilizer in living organisms?

High polarity
being non polar
high specific heat capacity
high heat of vaporization

5. All are properties of water. EXCLUDING:

Universal solvent
Polar nature
Hydrogen bonding
becomes denser as it freezes

6. Which property of water helps to maintain the fluidity of membrane?

Specific heat capacity
Hydrogen bonding
Cohesion and adhesion
Hydrophobic Exclusion

7. Carbohydrates are organic molecules and contains three elements:

Carbon, Water,Oxygen
Carbon,Sulphur,Hydrogen
Carbon,Hydrogen,Oxygen
None are correct

8. Which one is an example of disaccharides?

Lactose
Glycogen
Starch
Fructose

9. Polysaccharides in plants are synthesized by the process of:

Hydrolysis
Oxidation
Condensation
Glycolysis

10. Glyceraldehyde and dihydroxyacetone are examples of:

Triose
Tetrose
Pentose
Hexose

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