H S Vishnoi Solutions for Exercise 5: REVIEW QUESTIONS

Name the body structure which helps to transport oxygen to the body cells.

Name the body structure which protects the lungs from mechanical injury.

What are the functions of abdominal muscles?

Given below is a diagrammatic sketch of a part in human lungs. 

a. Name the parts numbered 1-4.

b. What do the arrows 5 and 6 indicate?

Given below is the overall chemical reaction of a certain process.

C₆H₁₂O₆---------> Lactic acid+ 2ATP+ Heat energy

a. Name the process.

b. Is this reaction applicable to animals or to plants or to both animals and plants.

c. Name the tissue in which this reaction may occur.

Given below the chemical reactions (1 to 5) involving glucose and five other chemical products (A to E).

Write the reaction number of the following:-

Anaerobic respiration in plants_____

End products of aerobic respiration_____

Reaction occurring in the liver_____

Anaerobic respiration in animals_____

Storage in the liver_____

Given below the chemical reactions (1 to 5) involving glucose and five other chemical products (A to E).

Which reactions (1-5) in the above correspond to the following? (write the corresponding number of reaction next to them)

Aerobic reaction _____

Changes taking place in the liver_____

Anaerobic respiration in yeast_____

Changes taking place in the plants' storage organ e.g.Potato_____

Anaerobic respiration in animals_____

The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.

The following diagram shows a group of lung volume and capacities:

Study the diagram carefully and explain briefly the following:

(a) Tidal volume

(b) Inspiratory reserve volume

(c) Expiratory reserve volume

(d) Vital capacity

(e) Residual volume