Question

(ix) Bending of a stem towards sunlight is called
(a) geotropism
(b) phototropism
(c) hydrotropism
(d) nasticism

Answer 1

☯ AnSwEr :

Phototropism is the required answer.

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★ Geotropism : When plants stem bends toward the gravity. It is known as Geotropism.

★ Phototropism : When plants stem bends toward the sunlight. It is known as Phototropism.

★ Hydrotropism : When plants stem bends toward the water. It is known as Hydrotropism.

★ Nasticism : When plants show nastic movement. It is known as Nasticism.

Answer 2

phototropism

Explanation:

Bending of stem towards sunlight is called phototropism.