Question

(c) Alcohol
3. Aerobic respiration takes place
(a) In absence of oxygen
(b) In presence of oxygen
(c) In absence of any type of gases
4. Anaerobes respire anaerobically and yield;
(a) Carbon dioxide
(b) Oxygen
5. Breathing or external respiration is a
(a) Chemical process (b) Biological process
6. Inhalation and exhalation are the steps of
(a) External respiration
(b) Breathing
7. In cellular respiration, glucose is broken down into;
(a) Carbon dioxide and water
(b) Alcohol and carbon dioxide
(c) Lactic acid and water
(c) Physical process
(c) Cellular respiration
8. In insects exchange of gases takes place through
(a) Stomata
(b) Spiracle
(c) Body surface
9. The number of times a person breathes in a minute is called
(a) Heart rate
(b) Breathing rate
(c) Metabolic rate​

Answer 1

Answer:

Aerobic respiration takes place

• In presence of oxygen

Anaerobes respire anaerobically and yield;

• ) Carbon dioxide

Breathing or external respiration is a

• b) Biological process

Inhalation and exhalation are the steps of

• breathing.

In cellular respiration, glucose is broken down into;

• ) Lactic acid and water

In insects exchange of gases takes place through

• Spiracle

The number of times a person breathes in a minute is called

• Breathing rate

Answer 2

Answer:

3:b

4:b

5:b

7:

8:b

9:b

Explanation:

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