Science GK Quiz Questions for Practice
What is the number of isotopes of hydrogen?
(A) 4
(B) 2
(C) 3
(D) 1
Correct Answer : C
The mass number is the sum of the?
(A) Proton and Neutron
(B) Proton Only
(C) Electron and Proton
(D) Electron and Neutron
Correct Answer : A
Which of the following is not a characteristic of transition metals?
(A) tendency to gain electrons
(B) low electronegativity
(C) low ionization energy
(D) tensile
Correct Answer : A
A wooden swing is swinging in a sitting position, the time period of oscillations when the girl is standing?
(A) will decrease
(B) remain unchanged
(C) will be more
(D) none of these
Correct Answer : A
Skating on ice shows that on increasing the pressure the melting point of ice
(A) decreases
(B) increases
(C) remains unchanged
(D) first decreases then increases
Correct Answer : A
When the speed of a moving object is doubled, then its kinetic energy?
(A) doubles
(B) increases three times
(C) remains the same
(D) quadruples
Correct Answer : D
Explanation :
The change in the kinetic energy of the object as the speed changes is proportional to the square of the factor by which the speed changes. If the speed of the object becomes double, its kinetic energy changes to four times the initial kinetic energy.
What are the cells of the pancreas, which produce insulin, called?
(A) Thymus
(B) Estrogen
(C) Corpus epididymis
(D) Islets of Langerhans
Correct Answer : D
Who among the following started the work of 'Plant tissue culture'?
(A) F. C. Steward
(B) P. Maheshwari
(C) P.R. White
(D) Haberladdit
Correct Answer : D
Which of the following organisms is not in accordance with the cell theory?
(A) Bacteria
(B) Virus
(C) Fungus
(D) Plants
Correct Answer : B
Chlorophyll was first isolated and named by _?
(A) Ketu
(B) Pelletier
(C) Chlorophyll
(D) Kventu and Pelletier
Correct Answer : D
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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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