1. The full form of LED is
(A) Light Enhancing Diode
(B) Light Enhancing Device
(C) Light Emitting Diode
(D) Light Emitting Device
Assistant Inspector of Excise 2024
2. Which one of the following is called dry ice?
(A) Liquid carbon dioxide
(B) Solid carbon dioxide
(C) Liquid nitrogen
(D) Solid nitrogen
Assistant Inspector of Excise 2024
3. What does an airbag, used for the safety of car driver, contain?
(A) Sodium bicarbonate
(B) Sodium azide
(C) Sodium nitrite
(D) Sodium peroxide
Assistant Inspector of Excise 2024
4. Which one of the following is a water-borne disease?
(A) Jaundice
(B) Tuberculosis
(C) Rabies
(D) Arthritis
Assistant Inspector of Excise 2024
5. Kalpakkam in Tamil Nadu is famous for
(A) oil refinery
(B) atomic power station
(C) tea production
(D) coffee production
Assistant Inspector of Excise 2024
6. A ‘Black Hole’ is a body in space that does not allow any radiation to come out. This property is due to its
(A) very high density
(B) very low density
(C) very small size
(D) very large size
Assistant Inspector of Excise 2024
7. Which mirror is used as a rear-view mirror in the vehicle?
(A) Concave mirror
(B) Convex mirror
(C) Plane mirror
(D) Bi-focal lens
Block Extension Educator (BEE) (Dec 2020 & 2021)
8. What is the third layer of the atmosphere called?
(A) Stratosphere
(B) Troposphere
(C) Mesosphere
(D) Ionosphere
Block Extension Educator (BEE) (Dec 2020 & 2021)
9. How many pairs of ribs are there in a human body?
(A) 10 pairs
(B) 12 pairs
(C) 14 pairs
(D) 16 pairs
Block Extension Educator (BEE) (Dec 2020 & 2021)
10. Which among the following oxides cause acid rain?
(A) Carbon monoxide and carbon dioxide
(B) Nitrous oxide and sulphur dioxide
(C) Carbon dioxide and nitrous oxide
(D) Sulphur dioxide and carbon monoxide
Block Extension Educator (BEE) (Dec 2020 & 2021)