Top 500 Common GK Questions and Answers
When a metal is heated, its density?
(A) increases
(B) There is no difference
(C) decreases
(D) None of the above
Correct Answer : C
By which device is the purity of milk measured?
(A) manometer
(B) Hydrometer
(C) Lactometer
(D) Fadometer
Correct Answer : C
Who invented television?
(A) J.R. L. Baird
(B) Macmillan
(C) James Watt
(D) None of these
Correct Answer : A
What are the main colors in photography?
(A) Red, Blue, Yellow
(B) Red, Yellow, Green
(C) Blue, Yellow, Green
(D) Red, Blue, Green
Correct Answer : D
Basic scientific principle behind a nuclear reactor is
(A) Nuclear fusion
(B) Controlled nuclear fusion
(C) Uncontrolled nuclear fission
(D) Controlled nuclear fission
Correct Answer : D
Is the father of 'demonstration method'?
(A) John D.V.
(B) Daniel Benor
(C) A.D. B. Graham
(D) Seaman A. Nap
Correct Answer : D
Potato canker has black canker and black pan / colloid factor?
(A) two fungi
(B) A fungus and a bacterium
(C) a fungus
(D) A fungus and a virus
Correct Answer : C
Embryos of Tritium aestivum have a chromosome number?
(A) 44
(B) 63
(C) 65
(D) 67
Correct Answer : B
What causes molybdenum deficiency?
(A) Whip tail in cauliflower
(B) Hot disease in tomato
(C) Lemon yellow yellow stain disease
(D) All these
Correct Answer : A
Nucleopolyhedro virus (NPV) is used in biological control?
(A) For gram bee borer
(B) For paddy-scented bug
(C) For sugarcane pyrilla
(D) For all these
Correct Answer : A
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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