REVISION OF TOPIC RESPIRATION

RESPIRATION

1. How anaerobic respiration is different from aerobic respiration?
2. Explain the mechanism of breathing in human beings.
3. Explain why:
a). When air is taken in and out during breathing, the lungs always contain a residual volume of air.
b). Herbivores need a longer small intestine whereas carnivores have a shorter small intestine
4. Name the intermediate 3-C molecule formed from 6-C molecule of glucose during respiration.
5. From where do terrestrial and aquatic organisms get oxygen?
6. Specify the location where a) glucose is converted into 3-C molecule of pyruvate b) pyruvate into CO2, H2O and energy.
7. Name the pigment present in a) blood, b) muscles of higher organisms that help in transportation of respiratory gases.
8. What is the respiratory product formed in muscles when a) there is sufficient supply of oxygen b) lack of oxygen during vigorous exercise
9. Which of the two -aerobic / anaerobic respiration is energy efficient?
10. Name the end product formed in a) aerobic respiration b)anaerobic respiration
11. Rate of breathing in aquatic organisms is faster than terrestrial organisms. Give reason.
12. In the given diagram:

13. a). Name the common path of respiratory system and digestive system.
b). Which structure is responsible for the uplifting of ribs during inhalation?
c). Name the structure responsible for production of sound.
d).What is labeled as 'C' in the given diagram? Mention its function.
14. .What is function of hairs in nasal chambers?
15. How does the gaseous exchange across the alveoli take place?
16. After gaseous exchange concentration of which gas would be more in a) alveoli b) blood.