Question

Hello everyone! How u all?

(a) Explain any three directional movements in plants.
(b) How brain and spinal cord are protected in human ?
(c) Name the master gland.


NOTE- give answer of all questions not a single question only.
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Answer 1

Answer:

a) This movement is called as Tropic Movement. Phototropism: movement of plant towards or away from the light. Geotropism: movement of plant parts towards the earth or away from it. Hydrotropism: movement of plant parts towards or away from any source of water.

b)The brain and spinal cord are protected by bony structures — the skull and spinal column. Meninges are membranes that cover and protect the brain and spinal cord. There are three layers of meninges: Dura mater, which is closest to the bone.

Explanation:

Drop some thanks..

Answer 2

Answer:

fine

1.This movement is called as Tropic Movement. Phototropism: movement of plant towards or away from the light. Geotropism: movement of plant parts towards the earth or away from it. Hydrotropism: movement of plant parts towards or away from any source of water.

2.the brain and spinal cord are protected by bony structures

3.pituitary gland is also called as master gland.