Multiple choice

Which of the following statements is/are correct?

a. Gibberellin hormone is involved in absission of plants. b. Auxins speed up growth in stems and roots of plants. c. Cytokinins promote the opening of stomata.

  1. Only a

  2. Both a and b

  3. Only b

  4. Both b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Auxin is a plant hormone responsible for controlling the direction of growth of root tips and stem tips in response to different stimuli including light and gravity.

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