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WAEC Biology 2015 Question 10

Question 10

Growth and Development

Which of the following features could be used to determine the growth of a seedling?

  1. A.Number of flowers
  2. B.Number of leaves
  3. C.Length of flowers
  4. D.Length of radicle.
Show the answer and explanation

Answer: D (Length of radicle.)

Explanation

Growth is a permanent increase in size, usually measured as length. A young seedling has no flowers, and the length of its radicle (young root) increases steadily as it grows.