Author: neetexam

Q. Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening, carbon dioxide diffuses into the plant during photosynthesis. Reason out of the…

Q. A few drops of sap were collected by cutting across a plant stem by a suitable method. The sap was tested chemically. Which one of the following test results…

Q. Transpiration and root pressure cause water to rise in plants by : (a) Pushing and pulling it respectively (b) Pulling it upward (c) Pulling and pushing it respectively (d)…

Q. Guttation is the loss of water in : (a) Liquid form containing dissolved minerals. (b) Liquid form without dissolved minerals. (c) Vapour form with minerals. (d) Vapour form without…