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CSS :: Digestive System Physiology


11.  Which of these proteins is helpful in locomotion:
A. Haemoglobin B. Glycoprotein
C. Myosin D. None of these

12.  Nucleic acids are long chain polymers of nucleotides and are called:
A. Polynucleotides B. Polypeptides
C. Polysaccharides D. None of these

13.  Which of these substances from 45 - 80% of total animal body:
A. Carbohydrates B. Water
C. Fats D. None of these

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

15.  Each day we loose which of the following amounts of water:
A. 2% B. 5%
C. 10% D. 15%

16.  Maintenance of live stage of protoplasm is done by:
A. Salts B. Water
C. Vitamins D. Fats

17.  Salts form which of these percentages of our body:
A. 2-3% B. 10-15%
C. 5-10% D. 7-8%

18.  Regulation of permeability pH and osmotic concentration in our body is done by:
A. Vitamins B. Carbohydrates
C. Salts D. None of these

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

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




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