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Assertion A quatic organisms such as pr...

Assertion A quatic organisms such as protozoans respire through simple diffusion process.
Reason their outermost covering remains moist.

A

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

B

Both Asssertion and Reason are true, but Reason is not the correct explanation of Assertion

C

Assertion is true, but Reason is true

D

both Assertion and Reason are flase.

Text Solution

Verified by Experts

The correct Answer is:
A
The cell membane of aquatic organisms such as protozoans remains moist, it serves, as the respiratory surface. Oxygen and carbon dioxide simply diffuse across this thin layer.
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ARIHANT NEET-BREATHING AND EXCHANGE OF GASES -Chapter exercises B (Medical entrances special format questions )
  1. The mucus produced by the goblet cells (a) moistens the incoming ai...

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  2. The lobes of left lung in human is divided into I. left superior I...

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  3. The respiratory system in humans and other lung-breathing vertebrates ...

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  4. Certain bacteria that cause bronchities are I. Streptococcus pneumo...

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  5. Study the following diagram and consider the statements following in r...

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  6. The air that enters our lungs is characterised as I. It is warm. I...

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  7. Which of the following statements are true/false A.The blood transpo...

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  8. From the following relationship between respiration volumes and capaci...

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  9. Match the following colunms.

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  10. Match the following columns .

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  11. Match the following columns.

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  12. Match the following columns :

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  13. Assertion The vital capcity is higher in athletes. Reason . Vital ca...

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  14. Assertion. Tidal volume is the volume of air inspired or expired ...

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  15. Assertion. CO(2) is carried in the plasma mainly as HCO(3)^(-) ion...

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  16. Assertion Insects have a complex system of air tubes called trachea fo...

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  17. Assertion Fisheas respire through gills. Reason Counter -current f...

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  18. Assertion : Inspiration occurs due to muscular relaxation. Reason : ...

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  19. Assertion A quatic organisms such as protozoans respire through simpl...

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  20. Assertion Cutaneous respiration occurs in earthworm. Reason Lungs ar...

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