Consuming curd keeps the gastro-intestinal tract intact. Give reason.</h2></div>

Which of the following statements is incorrect regarding beer?

Yield of rice is increased by</h2></div>

Supply of oxygen to biogas plant causes<span><br> </span></h2></div>

What are flocs?

Polluted water can be purified by using</h2></div>

Streptomyces is an antibiotic obtained from actinomycetes.

Which one of the following is a free-living obligate anaerobic bacterium?</h2></div>