Free Microbes In Human Welfare (Daily Quiz: 7) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Answer: (d)

Organic farming involves use of organic wastes and other biological material along with beneficial microbes to release nutrients to crop to increase the soil fertility in an ecofriendly, and pollution free environment. Glomus, earthworm and Oscillatoria can be used in organic farming while snail cannot.

Answer: (b)

Wastewater treatment generates a large quantity of sludge, which is further treated by anaerobic digesters. These are large heated tanks in which various methanogenic anaerobic bacteria digest the bacteria and fungi present in the sludge.

Answer: (d)

A common biocontrol agent for control of plant diseases is Trichoderma. Trichoderma is a tree living fungus that exerts biocontrol over several plant pathogens for the control of plant diseases. It is the natural method of pest and pathogen control.

Answer: (d)

Antibiotics have greatly improved our capacity to treat deadly diseases such as diphtheria (gal ghotu), whooping cough (kali khansi), plague, leprosy (kusht rog), which is used to kill millions of people all over the world.