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NEETZoologyBreathing and Exchange of Gases

Read the following Assertion and Reason and choose the correct option. Assertion: Coelenterates exchange gases from their body surface Reason: Coelenterates exchange gases by simple diffusion

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

A. Both Assertion and Reason are true and Reason is correct explanation of Assertion

Step-by-step solution

Lower invertebrates like sponges, coelenterates, flatworms, etc., exchange O2 with CO2 by simple diffusion over their entire body surface.

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