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) Egg production
(b) Dairy products
(c) Fisheries
(d) Agriculture
The correct answers to the above question in:
Answer: (b)
Discuss Form
Read more biology in human welfare Based General Science Questions and Answers
Question : 1
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 : 2
Three crops that contribute maximum to global food grain production are
a) Wheat, maize and sorghum
b) Wheat, rice and maize
c) Wheat, rice and barley
d) Rice, maize and sorghum
Answer »Answer: (b)
Three crops that contribute maximum to global food grain production are wheat, rice and maize, which belong to the family Poaceae (Graminae).
Question : 3
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 : 4
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 : 5
What are the advantage of gobar gas over conventional utilization?
a) Reduces the chances of spreading of pathogens
b) More efficient source of energy
c) Used as good fertilizer
d) All of the above
Answer »Answer: (d)
Question : 6
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.
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
100+ Quadratic Equation Questions Answers PDF for Bank
Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
IBPS Aptitude Linear Equations MCQ Questions Answers PDF
Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
New 100+ Compound Interest MCQ with Answers PDF for IBPS
Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Mixture and Alligation MCQ Questions PDF for IBPS
Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams
Continue Reading »