Multiple choice

Directions: There are two statements, one labeled the Assertion (A) and the other labeled the Reason (R). Examine the statements and decide if the Assertion A and Reason R are individually true and if so, whether the reason is the correct explanation of the assertion. Select your answers to the question from the codes given below:

Assertion (A): Even though atmospheric pressure is great, we do not feel it at all. Reason (R): Our lungs and blood vessels are full of air at atmospheric pressure.

  1. Both A and R are true and R is the correct explanation of A.

  2. Both A and R are true and R is not the correct explanation of A.

  3. A is true but R is false.

  4. A is false but R is true
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

We do not feel atmospheric pressure because the internal pressure of our body fluids and gases balances the external atmospheric pressure.

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