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#1 | Respiratory System: Upper Respiratory Tract
(Zoology (2022)) > 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.
Level 3: 35%-60%
Hints

Assertion             :       Gill-lamellae in aquatic animals help in exchange of gases

Reason                :       Each gill lamella carries many blood capillaries.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. 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.
 52%
Level 3: 35%-60%
Hints

Respiratory organ of scorpion is
(1)Book-lungs

(2)Book-gills

(3)Buccal cavity

(4)Lungs

 70%
Level 2: 60%+
Hints

Which of the following is incorrect
(1)Whale-Lungs

(2)Tadepole larva-Gills

(3)Earthworm-moist skin

(4)Spider-lungs

 69%
Level 2: 60%+
Hints

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