The angiosperms having mycorhizzae are</h2></div>

Give scientific reason.<div>Microbial enzymes are used instead of chemical catalysts in chemical industry.<br&g…

<i>Bacillus thuringiensis</i> forms protein crystals which contain insecticidal protein. This protein&nb…

The graph given below represents the effect of sewage discharge on some important characteristics of river.<br> Se…

Name one phosphate dissolving bacterium.</h2></div>

In sewage treatment, bacterial flocs are allowed to sediment in a settling tank. This sediment is called?</h2><…

A biofertilizer ________.</h2></div>

Which of the following bacteria cannot fix atmospheric nitrogen?