Question

what is called transpiration....?​

Answer 1

ᴛʀᴀɴsᴘɪʀᴀᴛɪᴏɴ ɪs ᴛʜᴇ ᴘʀᴏᴄᴇss ᴏғ ᴡᴀᴛᴇʀ ᴍᴏᴠᴇᴍᴇɴᴛ ᴛʜʀᴏᴜɢʜ ᴀ ᴘʟᴀɴᴛ ᴀɴᴅ ɪᴛs ᴇᴠᴀᴘᴏʀᴀᴛɪᴏɴ ғʀᴏᴍ ᴀᴇʀɪᴀʟ ᴘᴀʀᴛs, sᴜᴄʜ ᴀs ʟᴇᴀᴠᴇs, sᴛᴇᴍs ᴀɴᴅ ғʟᴏᴡᴇʀs. ᴡᴀᴛᴇʀ ɪs ɴᴇᴄᴇssᴀʀʏ ғᴏʀ ᴘʟᴀɴᴛs ʙᴜᴛ ᴏɴʟʏ ᴀ sᴍᴀʟʟ ᴀᴍᴏᴜɴᴛ ᴏғ ᴡᴀᴛᴇʀ ᴛᴀᴋᴇɴ ᴜᴘ ʙʏ ᴛʜᴇ ʀᴏᴏᴛs ɪs ᴜsᴇᴅ ғᴏʀ ɢʀᴏᴡᴛʜ ᴀɴᴅ ᴍᴇᴛᴀʙᴏʟɪsᴍ.

Answer 2

Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. Transpiration also cools plants, changes osmotic pressure of cells, and enables mass flow of mineral nutrients and water from roots to shoots.