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 the above statements using one of following options:

A complex of ribosomes attached to a single strand of RNA is known as:

Which one of the following is a characteristic feature of cropland ecosystem?

Which of the following is the most important cause of animals and plants being driven to extinction?

In a chloroplast the highest number of protons is found in:

Which of the following is not required for any of the techniques of DNA fingerprinting available at present?

The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:

Which of the following features is not present in Penplaneta americana?

A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called:

Which of the following is wrongly matched in the given table?
Microbe - Product - Application