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Question

DIRECTIONS: Each of these questions contains an Assertion followed by reason. Read them carefully and answer the question the basis of following options. You have to select the one that best describes the two statements.

(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

(c) If Assertion is correct but Reason is incorrect.

(d) If Assertion is incorrect but Reason is correct.

Assertion: Chromosomes are known as hereditary vehicles.

Reason: The chromosomes are capable of self-reproduction and maintaining morphological and physiological properties through successive generations.


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Solution

Assertion statement :

Chromosomes are short, thick, condensed rod-like structures present in the nucleus which distribute genetic information to the daughter cells.

Reason statement :

  1. They are capable of self-replication before the cell division and thus are passed to the next generation.
  2. They contain genes that control the morphological and physiological properties of cells.

Final answer :

(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.


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