Differentiate between tropic and nastic movement

1.	Differentiate between tropic and nastic movement
Answer» ANSWER: ⚡ᴛʀᴏᴘɪᴄ ᴍᴏᴠᴇᴍᴇɴᴛ ⚫It can be easily observed in stems and roots. ⚫It is due to unilateral stimulus which causes unequal growth on the two SIDES of a stem, root and tendril. ⚫Movement is related to stimulus, i.e, plant organs either move towards source of stimulus or away from it. STIMULI which causes movements in plants are gravity, light, TOUCH, water and chemical substances. ⚫Example : Bending of root towards gravity and shoot towards light. ⚡ɴᴀsᴛɪᴄ ᴍᴏᴠᴇᴍᴇɴᴛ ⚫It is clearly observed in bilaterally SYMMETRICAL organs such as leaves and petals of flowers. ⚫The movements occur due to stimulus of light and temperature. ⚫Opening enclosing a flowers of evening Prime rose and tobacco at the night and day respectively. This is due to unequal growth. ⚫Example : Leaves of "touch-me-not" plant bend and droop on touching. ______________❤️

Answer»

⚡ᴛʀᴏᴘɪᴄ ᴍᴏᴠᴇᴍᴇɴᴛ

⚫It can be easily observed in stems and roots.

⚫It is due to unilateral stimulus which causes unequal growth on the two SIDES of a stem, root and tendril.

⚫Movement is related to stimulus, i.e, plant organs either move towards source of stimulus or away from it. STIMULI which causes movements in plants are gravity, light, TOUCH, water and chemical substances.

⚫Example : Bending of root towards gravity and shoot towards light.

⚡ɴᴀsᴛɪᴄ ᴍᴏᴠᴇᴍᴇɴᴛ

⚫It is clearly observed in bilaterally SYMMETRICAL organs such as leaves and petals of flowers.

⚫The movements occur due to stimulus of light and temperature.

⚫Opening enclosing a flowers of evening Prime rose and tobacco at the night and day respectively. This is due to unequal growth.