CSS :: Digestive System Physiology
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11. |
Which of these proteins is helpful in locomotion: |
A. |
Haemoglobin |
B. |
Glycoprotein |
C. |
Myosin |
D. |
None of these |
Answer: Option C
Explanation:
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12. |
Nucleic acids are long chain polymers of nucleotides and are called: |
A. |
Polynucleotides |
B. |
Polypeptides |
C. |
Polysaccharides |
D. |
None of these |
Answer: Option A
Explanation:
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13. |
Which of these substances from 45 - 80% of total animal body: |
A. |
Carbohydrates |
B. |
Water |
C. |
Fats |
D. |
None of these |
Answer: Option B
Explanation:
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14. |
Water is important to living organisms because it: |
A. |
It an universal solvent |
B. |
Has high specific heat coefficient and latent heat |
C. |
Has high dissociation constant |
D. |
Has all of these properties |
Answer: Option D
Explanation:
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15. |
Each day we loose which of the following amounts of water: |
Answer: Option A
Explanation:
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16. |
Maintenance of live stage of protoplasm is done by: |
Answer: Option B
Explanation:
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17. |
Salts form which of these percentages of our body: |
Answer: Option A
Explanation:
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18. |
Regulation of permeability pH and osmotic concentration in our body is done by: |
A. |
Vitamins |
B. |
Carbohydrates |
C. |
Salts |
D. |
None of these |
Answer: Option C
Explanation:
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19. |
Which of these has importance in blood clotting heart beat, muscle contraction and nerve conduction: |
A. |
Water |
B. |
Salts |
C. |
Carbohydrates |
D. |
All of these |
Answer: Option B
Explanation:
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20. |
Our body does not evaporate despite high temperature and does not freeze despite low temperature because: |
A. |
Our body has 70-90% of water which has high specific heat coefficient and latent heat |
B. |
Our food supplies us with energy which protects us from environmental temperature |
C. |
Our genetic machinery has specific genes regulating the body temperature |
D. |
There is some other reason |
Answer: Option A
Explanation:
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