Question

A. Tick the correct answer:

1. No energy is released during:
(a) respiration
(b) circulation
(c) breathing
(d) transpiration

2. The end products of anaerobic respiration are:
(a) CO2 and H20
(b) CO2 and alcohol
(c) CO2 and O2
(d)O2 and H2O

3. During heavy exercise, we get cramps in the legs due to accumulation of:
(a) carbon dioxide
(b) lactic acid

4. During inhalation, the rib cage moves:
(a) upward and outward
(b) downward only
(c) inward and downward
(d) inward only

5. The small air holes on the body surface of insects are called:
(a) stomata
(b) spiracles
(c) alcohol
(c) trachea
(d) gills​

Answer 1

Answer:

1. ans-respiration

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Answer 2

Answer:

1.transpiration 2.co2 and alchoal 3.lactic acid 4.downward 5. spiracles