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Class 11 Biology Practice Test: Breathing and Exchange of Gases - Respiration in Animals
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Class 11 Biology Practice Test: Breathing and Exchange of Gases - Respiration in Animals
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9 Questions

1. Tracheal tubes are present for which type of organisms?
2. Which of the following organisms undergo respiration through diffusion?
3. Which organism classification can breathe through moist skin?
4. Earthworms respire through organs called as ______
5. The process which involves the gaseous exchange between the organism and its environment is called as _______
6. Aquatic arthropods and mollusks use which organ for respiration?
7. Which vertebrates have the most well-developed respiratory system?
8. The respiration mechanism of an organism mainly depends on which of the following?
9. Carbon dioxide is harmful to the body.

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