Reservior of sulphur is</h2></div>

Differentiate between.<span><br> Primary and secondary succession</span></h2></div&g…

The biodiversity increases when one moves from the pioneer to the climax stage. What could be the explanation? …

Give reason.<div><br> Equilibrium is necessary in the various bio-geo-chemical cycles.</div></h2&gt…

Select the correct statement about succession.</h2></div>

Plant maintains the balance of ......... in the atmosphere.</h2></div>

Which of the following is not limitation of pyramid?</h2></div>

Highest annual net primary productivity is of<span><br> </span></h2></div>