Free Microbes In Human Welfare (Daily Quiz: 6) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which institutes have actively participated in the development of technology for biogas production?
IARI, IIT, IISC, KVIM, KVIC.

(a) IISC and KVIC

(b) IIT and KVIM

(c) KVIC and IARI

(d) IARI and KVIM

Question-2

Sewage purification is done by

(a) fertilizers

(b) microbes

(c) antibiotics

(d) antiseptics

Question-3

Match the following list of bacteria and their commercially important products.

Bacterium	Product
(i) Aspergillus niger	(A) Lactic acid
(ii) Acetobacter aceti	(B) Butyric acid
(iii) Clostridium butylicum	(C) Acetic acid
(iv) Lactobacillus	(D) Citric acid

Choose the correct match:

(a) i-B, ii-D, iii-C, iv-A

(b) i-B, ii-C, iii-D, iv-A

(c) i-D, ii-C, iii-B, iv-A

(d) i-D, ii-A, iii-C, iv-B

Question-4

Farmers have reported over 50% higher yields of rice by using which of the following biofertilizer?

(a) Mycorrhiza

(b) Cyanobacteria

(c) legume-Rhizobium symbiosis

(d) Azolla pinnata

Question-5

Which one of the following is an example of carrying out biological control of pests/diseases using microbes?

(a) Nucleopolyhedrovirus against white rust in Brassica

(b) Trichoderma sp., against certain plant pathogens

(c) Bt cotton to increase cotton yield

(d) Ladybird beetle against aphids in mustard