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#1 | Respiratory System: Upper Respiratory Tract
(Zoology) > Breathing and Exchange of Gases
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Related Practice Questions :
| Assertion : | Most fish when out of water, die of suffocation. |
| Reason : | Atmospheric air contains far less oxygen content than the dissolved oxygen in water. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Level 3: 35%-60%
Hints
| Assertion: | Gill-lamellae in aquatic animals help in exchange of gases |
| Reason: | Each gill lamella carries many blood capillaries. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
63%
Level 2: 60%+
Hints
| Assertion: | Insects develop a complex system of air tubes called trachea for respiratory purpose. |
| Reason: | Exchange through body surface is not possible in insects. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
52%
Level 3: 35%-60%
Hints
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