Easy Tutorial
For Competitive Exams

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:

One process occurs during day time, and the other at night.
Both processes cannot happen simultaneously.
Both processes can happen together because the diffusion coefficient of water and CO2 is different
The above processes happen only during night time.
Explanation:

Water vapour comes out and CO2 diffuses simultaneously through stomatal openings because diffusion coefficient of water and CO2 is different and it moves along its concentration gradient.
Additional Questions

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Answer

In mammals, which blood vessel would normally carry the largest amount of urea?

Answer
Share with Friends
Privacy Copyright Contact Us