How do rhizobium bacteria increase the fertility of soil?</h2></div>

What is the significance of <span class="katex"><span class="katex-html" aria-hidden="…

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

Observe the following figures and answer the questions :<br> (a) Identify the process shown in the figure.&nbs…

Streptomyces is an antibiotic obtained from actinomycetes.

The fixation of free nitrogen from the air in the nodules of roots of leguminous plants is done by symbiotic bacteria&lt…

Natural killer(NK) cells can destroy.</h2></div>

Draw a neat labelled diagram of a typical biogas plant.</h2></div>