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NEETZoologyBreathing and Exchange of Gases

Read the following Assertion and Reason and choose the correct option. Assertion: The basement substance of diffusion membrane is thin Reason: The diffusion membrane is made up of four major layers

Options

  1. ABoth Assertion and Reason are true and Reason is correct explanation of Assertion
  2. BBoth Assertion and Reason are true but Reason is not the correct explanation of Assertion
  3. CAssertion is true but the Reason is false
  4. DBoth Assertion are Reason are false

Correct answer

C. Assertion is true but the Reason is false

Step-by-step solution

The total thickness of the basement substance its total thickness is much less than a millimetre. Therefore, all the factors in our body are favourable for diffusion of O2 from alveoli to tissues and that of CO2 from tissues to alveoli.

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