Which one of the following is useful in rice fields?</h2></div>

What is the full form of IPM?

In the following diagram, what does the question mark represent?

Match and find the correct combination.<table class="wysiwyg-table"><tbody><tr><td>(a)…

Primary treatment of sewage is</h2></div>

In paddy fields, cyanobacteria serve as an important bio-fertiliser.

Blood cholesterol lowering statins are obtained from</h2></div>

<i>Rhizobium</i> bacteria are important because they help in carbon fixation.</h2></div>