In a girdled plant, when water is supplied to the leaves above the girdle, leaves may remain green for sometime then wilt and ultimately die. What does it indicate?

What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?

What are the cells that make the leaves curl in plants during water stress?

If a plant has fibrous root then what kind of venation does its leaves will probably have?

What is the process of removal of water by leaves in plants called ?

You have heard about serveral insectivorous plants that feed on insects. Nepenthes or the pitches plant is one such example. Which usually grows in shallow water or in marsh lands. What part of the plant os modified into a 'pitcher'? How does this modification help the plant for food even though it can photosynthesize like any other green plant?

What is meant by stoma?Name the group of plants,which contains fewer stomata on the upper surface of leaves .How does the absorption and loss of poassium ions in the guard cells bring about the opening and closuure of stmata?Explain.