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) Wheat, maize and sorghum
(b) Wheat, rice and maize
(c) Wheat, rice and barley
(d) Rice, maize and sorghum
The correct answers to the above question in:
Answer: (b)
Three crops that contribute maximum to global food grain production are wheat, rice and maize, which belong to the family Poaceae (Graminae).
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Read more biology in human welfare Based General Science Questions and Answers
Question : 1
Organic farming is the technique of raising crops through use of
a) Biofertilisers
b) Manures
c) Resistant varieties
d) All of these
Answer »Answer: (d)
Question : 2
Which one of the following is not an antibiotic ?
a) Griseofulvin
b) Streptomycin
c) Citric acid
d) Cephalosporin
Answer »Answer: (c)
Question : 3
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 »Answer: (b)
Question : 4
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 : 5
Blue revolution is related to the following field
a) Egg production
b) Dairy products
c) Fisheries
d) Agriculture
Answer »Answer: (b)
Question : 6
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)
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