DRDO CEPTAM General Science Questions PART 2

 1.Which of the following is a non metal that remains liquid at room temperature?

(A)Phosphorous

(B) Bromine

(C) Chlorine

(D) Helium

2.Potassium nitrate is used in–

(A) Salt

(B) Glass

(C) Fertiliser

(D) Medicine

3.The hardest substance available on earth is

(A)Gold

(B)Iron

(C)Diamond

(D)Platinum

4.Plant cells can usually be distinguished because only plant cells possess

(A)Cell walls and mitochondria

(B)Golgi bodies and central vacuoles

(C)Cell walls and central vacuoles

(D)Chromosomes and mitochondria

5.WiMAX is related to which one of the following?

(A)Biotechnology

(B)Space technology

(C)Missile technology

(D)Communication technology

6.What does airbag, used for safety of car driver, contain?

(A)Sodium bicarbonate

(B)Sodium azide

(C)Sodium nitrite

(D)Sodium peroxide

7.Chemically, lime water is

(A)Calcium hydroxide

(B)Sodium carbonate

(C)Sodium hydroxide

(D)Calcium carbonate

8.Which one of the following types of waves are used in a night vision apparatus?

(A)Radio waves

(B)Microwaves

(C)Infra-red waves

(D)None of the above

9.The weight of an object will be minimum when it is placed at

(A)The North Pole

(B)The South Pole

(C)The Equator

(D)The center of the Earth

10.In fireworks, the green flame is produced because of

(A)Sodium

(B)Potassium

(C)Barium

(D)Mercury 

Answer Key:

1.B 2.B 3.C 4.C 5.D 6.B 7.A 8.C 9.C 10.D