set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on biology in human welfare topic of general science mcq
(a) Reduces the chances of spreading of pathogens
(b) More efficient source of energy
(c) Used as good fertilizer
(d) All of the above
The correct answers to the above question in:
Answer: (d)
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Read more biology in human welfare Based General Science Questions and Answers
Question : 1
IPM is
a) Integrated Pest Management Programme.
b) International Pest Management Programme.
c) International Pesticide Management Programme.
d) Internal Pest Management Programme.
Answer »Answer: (a)
Question : 2
Blue revolution is related to the following field
a) Egg production
b) Dairy products
c) Fisheries
d) Agriculture
Answer »Answer: (b)
Question : 3
Two microbes found to be very useful in genetic engineering are
a) Crown gall bacterium and Caenorhabditis elegans
b) Vibrio cholerae and a tailed bacteriophage
c) Diplococcus sp. and Pseudomonas sp.
d) Escherichia coli and Agrobacterium tumefaciens
Answer »Answer: (d)
Escherichia coli is a bacterium found in the human colon. On this bacterium, scientists have made extensive genetic experiments to make some vital chemicals like insulin.
Another bacterium is Agrobacterium tumefaciens which causes crown gall in plants. It is extensively used for genetic experiments.
Question : 4
Jaya and Ratna developed for green revolution in India are the varieties of
a) wheat
b) maize
c) rice
d) bajra
Answer »Answer: (c)
Jaya and Ratna are two rice varieties developed for green revolution in India.
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