Free Microbes In Human Welfare (Daily Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Microorganisms or microbes are found in

(a) thermal vents deep in soil

(b) soil, air, water and inside the bodies of living organisms

(c) under snow and in highly acidic environments

(d) All of the above

Question-2

Saccharomyces cerevisiae is employed in production of

(a) beer

(b) idli

(c) bread

(d) all of these

Question-3

Nitrogen fixation in root nodules of Alnus is brought about by

(a) Bradyrhizobium

(b) Frankia

(c) Azorhizobium

(d) Clostridium

Question-4

Statins, a bioactive molecule, inhibiting the enzyme responsible for synthesis of

(a) protein

(b) carbohydrate

(c) vitamins

(d) cholesterol

Question-5

The given table contains type of microbe (Column I), Scientific name (Column II) and commercial product (Column III). Some names are replaced by A, B, C and D. Identify the correct names.

Type of Microbe	Scientific Name	Commercial Product
Bacterium	A	Clot buster enzyme
B	Aspergillus niger	Citric acid
Fungus	Trichoderma polysporum	C
Bacterium	D	Butyric acid

(a) A – Clostridium butylicum, B – Streptococcus, C – Fungus, D – Cyclosporin-A

(b) A – Streptococcus, B – Fungus, C – Cyclosporin-A, D – Clostridium butylicum

(c) A – Cyclosporin-A, B - Clostridium butylicum C – Streptococcus, D – Fungus

(d) A – Fungus, B – Cyclosporin-A, C – Clostridium butylicum, D - Streptococcus