Assertion and reason: the cycle

Exercise and reference answers

Questions

1. Reason

   Each daughter cell needs a full complement of genetic material.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   DNA must be copied before a cell divides.

2. Reason

   Interphase, the longer part, is growth and preparation.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   The cell cycle is not only about dividing.

3. Reason

   Cells arise from pre-existing cells.

   Verdict

   The assertion is false and the reason is true.

   Assertion

   Cell division ends at maturity.

Explanation