General Science

1. Who was the First Nobel Prize winner in India

(A) C. V. Raman
(B) Har Gobind Khorana
(C) Rabindranath Tagore
(D) Mother Teresa

2. Who was the First Nobel Prize winner in Physics

(A) Zhores Alferov
(B) Wilhelm Conrad Röntgen
(C) Vitaly Ginzburg
(D) Gerard Mourou

3. Who was the First Astronaut of India

(A) Kalpana Chawla
(B) Rakesh Sharma
(C) Sunita Williams
(D) Ravish Malhotra

4. Who was the First Astronaut to walk on the surface of the Moon

(A) Yuri Gagarin
(B) Neil Armstrong
(C) Michael Collins
(D) Buzz Aldrin

5. Which instrument determines specific gravity of liquids
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) Gravimeter
(B) Hydrometer
(C) Hygrometer
(D) Hypsometer

6. Which method of water purification does not kill microorganism?
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) Boiling
(B) Filtration
(C) Chlorination
(D) UV-radiation

7. What does Ozone hole refer to
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) hole in ozone layer
(B) decrease in the ozone layer in troposphere
(C) decrease in thickness of ozone layer in stratosphere
(D) increase in the thickness of ozone layer in troposphere

8. Which vitamin is necessary for blood clotting?
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) Vitamin-A
(B) Vitamin-D
(C) Vitamin-K
(D) Vitamin-C

9. What is normal blood pH range?
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) 4.5-5.5
(B) 5.5-6.5
(C) 7.5-8.0
(D) 8.5-9.0

10. The pH of human blood is normally around
Question Asked : Bihar Police Sub Inspector Prelims Exam 2018

(A) 4.5-5.5
(B) 5.5-6.5
(C) 7.5-8.0
(D) 8.5-9.0