Natural Science Quiz Questions and Answers for Competitive Exams

For the preparation of various competitive exams, it is very important for the students to know Natural science questions so that they can score full marks in Science GK questions. Here is the selective and important Natural Science quiz question and answers for all types of competitive exams. 

These Science quiz questions have been asked in competitive exams and there are chances to ask again in competitive exams. So, these Chemistry General Knowledge questions are for your practice. This post of Natural Science quiz questions and answers: 2020 is related to Selective and Latest Basic GK Questions and General Awareness Questions for Competitive Exams.

You should also check physics GK questions , Biology Gk Questions and General Science GK questions for better practice of competitive exams. Increase your level to attempt the Test Series: https://www.examsbook.com/test-series

Natural Science Quiz Questions and Answers

1.Who is honoured as Father of Modern Chemistry?   
(A) Antoine Lavoisier

(B) David Joseph

(C) Rinky Martin

(D) Newton

2. Who invented periodic table?
(A) Dmitri Mendeleev

(B) David Joseph

(C) Rinky Martin

(D) Newton

3. Which is the most abundant gas in the earth's atmosphere?
(A) Nitrogen (78.08%)

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

4. Which gas evolved from paddy fields and marshes?
(A) Methane

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

5. Which toxic element present in automobile exhausts?
(A) Lead

(B) Iron

(C) copper

(D) Tustin

6. Which gases cause acid rain?
(A) Sulphur dioxide, Nitrogen oxides

(B) Hydrogen

(C) Carbon-di-oxide

(D) Helium

7. Which metal is used in the making of microchips?
(A) Silicon

(B) Iron

(C) copper

(D) Tustin

8. What is the toxicity caused by silicon called?
(A) Silicosis

(B) Silicon

(C) Oxygen

(D) Carbon

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