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JAMB Biology 2014 Question 22

Question 22

Growth and Development

I Growth is mainly apical.
II Growth is specific with definite shape.
III Growth is throughout life.
Which of the above correctly describes the growth pattern in plants?

  1. A.I, II and III only.
  2. B.II and III only.
  3. C.I and II only.
  4. D.I and III only.
Show the answer and explanation

Answer: D (I and III only.)

Explanation

Plants grow mainly at the tips of roots and shoots (apical meristems) and keep growing all their lives. Growth with a fixed, definite shape is typical of animals.