set 1 MCQ Questions & Answers Detailed Explanation

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The following question based on biology in human welfare topic of general science mcq

Questions : Which of the following is the pair of biofertilizers?

(a) Rhizobium and grasses

(b) Azolla and blue green algae

(c) Nostoc and legume

(d) Salmonella and E. coli

The correct answers to the above question in:

Answer: (b)

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Read more biology in human welfare Based General Science Questions and Answers

Question : 1

Ganga and Yamuna action plan is initiated by

a) Ministry of wild-life conservation.

b) Ministry of environment and forest.

c) Ministry of agriculture.

d) None of these

Answer: (b)

Question : 2

First cloned animal

a) Molly sheep

b) Dolly sheep

c) Polly sheep

d) Dog

Answer: (b)

Question : 3

Which one of the following statement is true?

a) The lesser the BOD of waste water, more is its polluting potential.

b) The greater the BOD of waste water, more is its polluting potential.

c) The greater the BOD of waste water, less is its polluting potential.

d) The lesser the BOD of waste water, less is its polluting potential.

Answer: (b)

Question : 4

BOD refers to

a) Biochemical Operation Demand

b) Bacteria Oxygen Demand

c) Biochemical Oxygen Demand

d) Biological Organism Demand

Answer: (c)

Question : 5

The animal husbandry deals with the care, breeding and management of

a) Honey bees and silk worms

b) Domesticated animals

c) Fishes

d) All of these

Answer: (d)

Question : 6

The technology of biogas production was developed in India mainly due to the efforts of

a) Indian Council of Medical Research (ICMR)

b) Indian Agricultural/ Research Institute (IARI) and Khadi and Village Industries Commission (KVIC)

c) National Botanical Research Institute (NBR1)

d) Indian Council of Agricultural Research (ICAR)

Answer: (b)

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