Free Microbes In Human Welfare (Daily Quiz: 12) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which one is the most important role of micro organism for the wellbeing of humans?

(a) Production of methane

(b) Sewage treatment

(c) Biological control of plant disease

(d) Conversion of milk to curd

Question-2

Which one of the following statement regarding BOD is true?

(a) The greater the BOD of wastewater, less is its polluting potential.

(b) The greater the BOD of wastewater, more is its polluting potential.

(c) The lesser the BOD of wastewater, more is its polluting potential.

(d) The lesser the BOD of wastewater, less is its polluting potential.

Question-3

Consider the following statements (A–D) about organic farming.

1. Utilizes genetically modified crops like Bt cotton
2. Uses only naturally produced inputs like compost
3. Does not use pesticides and urea
4. Produces vegetables rich in vitamins and minerals

Which of the above statements are correct?

(a) B and C only

(b) B, C and D

(c) C and D only

(d) A and B only

Question-4

Which one of the following alcoholic drinks is produced without distillation?

(a) Whisky

(b) Wine

(c) Rum

(d) Brandy

Question-5

In cheese microorganisms are required for

(a) souring of milk only

(b) ripening only

(c) souring and ripening

(d) development of resistance to spoilage