Balsam plants wilt during midday even if the soil is well watered. Give scientific reason.

Use of CFC is banned in many countries. Give scientific reasons.

Comment upon the following : Some plants show wilting of their leaves, even when the soil is well watered.

A cut plant wilts fast even if its cut end is dipped in water.

Give biological reason for the following: We cannot distinguish colour in moonlight. Give scientific reasons.

Name the other plant which shows similar type of inheritance. Give the scientific name.

A well watered potted herbaceous plant shows wilting in the afternoon of a dry sunny day. Give reason.

A farmer observed drops of water along the margins of leaves of tomato plants growing in his well irrigated field on a winter morning. Give reasons for this occurrence. Why the water drops appeared only along the leaf margins?

We do not feel uneasy even under enormous pressure of the atmosphere above as well as around us. Give a reason.

In green plants, during photosynthesis water act as: