Why is it necessary to add manure or fertiliser to the field to get a good crop?</h2></div>

How many species worldwide are facing the threat of extinction?

<div>Read the statements and choose the correct option :</div><div>A : Sacred grooves are examples of …

Which among the following correctly defines Global 200?<span><br> </span></h2></div>

Marine invertebrates are protected in <span><br> </span></h2></div>

Write the correct sequence of genetic diversity.</h2></div>

Which of the following are the four major coral reef regions of India meant for intensive conservation and management ?&…

One of the situ conservation methods for endangered species is </h2></div>