Question

Arrange the following activities in the order of decreasing speed in which they take place.

(i) Movement of mimosa when it is touched.
(ii) Movement of sunflower in response to day and night.
(iii) Growth-related movements of plants.

• A. (ii) – (iii) – (i)
• B. (i) – (ii) – (iii)
• C. (iii) – (ii) - (i)
• D. (iii) – (i) – (ii)

Answer 1

The correct option is B (i) – (ii) – (iii)

• The leaves of mimosa plant close and droop down immediately once they are touched.
• Movement of sunflower in response to day and night happens at a slower pace when compared to mimosa.
• Growth-related movements takes place even more slowly.