100 Science Questions and Answers for RRB NTPC

Vikram Singh3 years ago 21.5K Views Join Examsbookapp store google play
100 Science Questions and Answers for RRB NTPC
Q :  

Who invented Hydrogen bomb?

(A) J. Robert Oppenheimer

(B) Albert Einstein

(C) Samuel Kohen

(D) Edward Teller


Correct Answer : D

Q :  

Which of the following is the most abundant element in the Earth’s crust?

(A) Oxygen

(B) Silica

(C) Iron

(D) Aluminum


Correct Answer : A

Q :  

Which of the following grain was first used by human?

(A) Ragi

(B) Wheat

(C) Barley

(D) Oat


Correct Answer : B

Q :  

Which of the following major diseases is caused by ultraviolet radiations?

(A) Liver cancer

(B) Skin cancer

(C) Neurological disorder

(D) Blood cancer


Correct Answer : B

Q :  

Photosynthesis in plants converts light energy to____ energy.

(A) Chemical

(B) Thermal

(C) Kinetic

(D) Physical


Correct Answer : A

Q :  

Which type of magnet is used in an electric bell?

(A) Bar magnet

(B) Cylindrical magnet

(C) Electromagnet

(D) Button magnet


Correct Answer : C

Q :  

Who invented the battery? 

(A) Michael Faraday

(B) Volta

(C) Maxwell

(D) Roentgen


Correct Answer : B

Q :  

What is the scientific name of Banyan Tree? 

(A) Mangifera indica

(B) Ficus benghalensis

(C) Azadirachta indica

(D) Shorea robusta


Correct Answer : B

Q :  

Where the Bio-chemical compounds are used? 

(A) Food preservatives

(B) Skin Treatments

(C) Cooking Oils

(D) All of the above


Correct Answer : D

Q :  

What is white Phosphorus? 

(A) P4

(B) P

(C) O3

(D) Pb


Correct Answer : A

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    Vikram Singh

    Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.

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