Question

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IV. Write True (T) or False (F) in front of the statements given below:


Statements
1. In respiration, oxygen is required and
carbon dioxide is given out.
2. Diffusion of gases takes place through a
small part of root surface.
3. In anaerobic respiration, complete
breakdown of food takes place.​

Answer 1

Answer:

t

Explanation:

In respiration, oxygen is required and

carbon dioxide is given out.

Answer 2

Answer:

1. False, 2. True, 3. False

Explanation:

1. Taking in oxygen and giving out carbon dioxide is called breathing or external respiration.

2. The exchange of gases in roots of a plant takes place by the process of diffusion. During diffusion, oxygen diffuses into the root hairs and passes into the root cells, from where the carbon dioxide moves out into the soil.

3. In anaerobic respiration complete break down of food doesn't take place .