State PCS PYQPrelims 2019

UPPCS · ప్రశ్న 133

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): The maximum number of species of butterflies is found in tropical countries. Reason (R): Butterflies cannot tolerate low temperatures. Select the correct answer using the codes given below:

  1. Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. Both (A) and (R) are true, but (R) is not the correct explanation of (A)
  3. (A) is true, but (R) is false
  4. (A) is false, but (R) is true
సమాధానం చూపించు & వివరణ

సమాధానం: (A) Both (A) and (R) are true and (R) is the correct explanation of (A)

వివరణ

Per the official key, both are true and R explains A: butterflies are cold-blooded (ectothermic) and need warmth to be active, so their diversity peaks in the tropics.