Plant Growth and Development Question 9

9. Klinostat is employed in the study of

[1993]

(a) osmosis

(b) growth movements

(c) photosynthesis

(d) respiration

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Answer : b

Hints & Solutions

(b) Klinostat $=$ Clinostat is an apparatus used to nullify the effect of geotropism. It has a clock on the main axis which is attached to a rod. The Top of the rod is attached to a flower pot. The klinostat is kept in horizontal position and allowed to rotate (to nullify the geotropism) and plant growth is observed.