ZOOLOGY FREE ONLINE TEST 19

1 / 10

The amount of air left in lungs after forceful expiration is —

Tidal volume

Vital capacity

Inspiratory reserve volume

Residual volume

2 / 10

The Bohr effect is related to —

Oxygen binding to haemoglobin

CO₂ transport

Lung volume

Tidal volume

3 / 10

The exchange of gases between blood and tissues is called —

External respiration

Internal respiration

Breathing

Ventilation

4 / 10

Which structure prevents collapse of trachea?

Muscles

Cilia

Cartilage rings

Mucus

5 / 10

The normal breathing rate in an adult human is —

12–16/min

5–10/min

30–40/min

20–25/min

6 / 10

Which gas has the highest affinity for haemoglobin?

Oxygen

Nitrogen

Carbon dioxide

Carbon monoxide

7 / 10

The binding of oxygen with haemoglobin is called —

Oxidation

Reduction

Oxygenation

Diffusion

8 / 10

The respiratory centre is located in —

Cerebrum

Cerebellum

Spinal cord

Medulla oblongata

9 / 10

The condition caused by deficiency of oxygen in tissues is called —

Asphyxia

Hypoxia

Cyanosis

Anaemia

10 / 10

Which of the following animals respire through skin?

Frog

Fish

Lizard

Bird

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ZOOLOGY FREE ONLINE TEST 19

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