Basic Science GK Questions and Answers

Basic Science GK Questions and Answers

In any banking, police, railway, center or state recruitment examination, the general knowledge (GK) subject is an important subject, in which questions related to Science GK are also commonly asked in various competitive exams. It takes a lot of time for a student to read and understand science questions, but these questions are related to many of our daily matters. Actually the system to understand science is very complex.

Here, I am providing the Basic Science GK Questions and Answers for learners who are preparing for competitive exams. In this post, I have updated the most important questions, answers around the Daily GK with the latest General Science Questions about many topics covered. 

Students can easily get free general knowledge questions on this platform for online exam practice  to obtain good marks in the competitive exams. Current Affairs Mock Test and Monthly Current Affair.

Basic Science GK Questions and Answers      

Q :  

Who invented television?

(A) J.R. L. Baird

(B) Macmillan

(C) James Watt

(D) None of these

Correct Answer : A

Q :  

By which device is the purity of milk measured?

(A) manometer

(B) Hydrometer

(C) Lactometer

(D) Fadometer

Correct Answer : C

Q :  

When a metal is heated, its density?

(A) increases

(B) There is no difference

(C) decreases

(D) None of the above

Correct Answer : C

Q :  

What is the lightest metal?

(A) Lithium

(B) Iridium

(C) aluminum

(D) Osmium

Correct Answer : A

Q :  

Which of the following electromagnetic waves has the highest wavelength?

(A) Ultraviolet rays

(B) Sunlight

(C) Gamma rays

(D) infrared rays

Correct Answer : D

Q :  

What is a Robot?

(A) A type of rocket

(B) a bomb

(C) A device similar to a human who works according to the order

(D) An animal found in the jungles of Africa

Correct Answer : C

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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

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