How does yeast make dough rise?</h2></div>

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

<i></i><span>A legume having symbiotic association with two nitrogen fixing bacteria (</sp…

The product of which of the following organisms has been commercialized as blood cholesterol lowering agent is?</h2&g…

Which of the following act as a biofertilizers?</h2></div>

What are biofertilisers? Give two examples. </h2></div>

Which one is a biological in sewage treatment?<span><br> </span></h2></div>

Name the enzyme which is used as ' clot bluster' to remove blood clots within blood vessels.</h2></div>