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.

Hello everyone! How u all? (a) Explain any three directional movemen

1.	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.
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..