Question

Here is a question for you
The organ A of a tree have a large number of tiny pores called B on their surface. The gas C present in air
enter the organ A through B and utilised in food making process D .The gas E produced during D goes out through the same pores B. Identify A,B,C,D and E.

Answer 1

The organ A is a leaf which have a large number of tiny pores called stomata (B) on their surface. The gas C which corresponds to carbon dioxide in air enter the leaf through stomata and is utilised in food making process D which is photosynthesis. The gas E which is Oxygen is produced during photosynthesis goes out through the same pores B i.e., stomata.