Charcoal is the commonest source of energy.

Which of the following bacteria are used for fermenting idli and dosa?

Microbes are only present in hot and humid areas.

Consider the following statements.<br> Mycorrhizal biotechnology has been used in rehabilitating degraded sites be…

The prickly pear weed (<i>Opuntia</i>) became a menace and it has been successfully controlled by&l…

What does gobar gas produced from animal and plant waste contain?</h2></div>

Citric acid is got from :</h2></div>

The following diagram represents ________