Stomata in angiosperms do not open during:

Transpiration in plants occurs through the following $EXCEPT$ . . . . . . .

Phenyl mercuric acetate is used as an:

Do different species of plants growing in the same area show the same rate of transpiration at a particular time? Justify your answer.

Which of the following is the most likely cause for the wider opening of stomata?

When strips of cobalt chloride paper are placed on either side of a dorsiventral leaf,why do the strips on the lower side become pink more speedily?