Question

1. Compare alveoli in lungs and Nephron in kidneys.
2. How mushrooms and bread moulds obtain their food?
3. Give two reasons why multicellular organisms need special organs for exchange of
gases.
4. State two functions performed by bile juice.
5. What are the final products after digestion of carbohydrates and proteins?
6. Who has a longer intestine - Herbivores or Carnivores. Why?
7. In human alimentary canal:
(a) Name the site of complete digestion of food.
(b) Role of HCl in stomach.
(c) Protein digesting enzyme in pancreatic juice.
8. What is emulsification of fats?
9. Explain the process of breakdown of glucose in a cell under different conditions.
10. (a) The breathing cycle is rhythmic whereas exchange of gases is a continuous proce
Justify this statement.
(b) What happens when conducting tubes of circulatory system develops a leak? Hov
could this be avoided?
bour chambered heart, reptiles have three chambered and​

Answer 1

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