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Question 18 [Assertion Reasoning] - CBSE Class 10 Sample Paper Science Solution - For 2023 Boards - Solutions to CBSE Sample Paper - Science Class 10

Last updated at April 16, 2024 by

Assertion: Height in pea plants is controlled by efficiency of enzymes and is thus genetically controlled.

Reason: Cellular DNA is the information source for making proteins in the cell.

 

Answer:

  • Height in pea plants is controlled by efficiency of enzymes in plants. 
  • Plants with more growth hormones being released grow taller than other plants.
  • Thus the height of plants is genetically controlled .
  • Cellular DNA is the information source for making proteins in the cell. 
  • These proteins are what carry information for the release of hormones .

Thus, the correct answer is (a) Both A and R are true and R is the correct explanation of A

 

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo