251. Jaundice affects which part of the body?
A) Liver
(B) Stomach
(C) Heart
(D) Kidney
252. Biomass is converted into fuel by:
(A) Fermentation
(B) Reflection
(C) Scattering
D) Evaporation
253. What is the original source of energy for biomass?
(A) Earth
(B) Moon
C) Sun
(D) Star
254. Which of the following drugs is obtained from plants?
(A) Aspirin
(B) Insulin
(C) Cephalosporin
D) Opium
255. Aspirin is categorized as:
(A) A drug from plants
(B) A drug from animals
(C) A drug from minerals
D) A synthetic drug
256. Antibiotics are used for the:
(A) Treatment of viral infections
B) Treatment of bacterial infections
(C) Immunization against infections
(D) Both A & B
257. There is a hole in the Ozone Layer at_____?
A: North Pole
B: South Pole
258. Which part of the body is attacked by “Gingivitis” disease?
A: Nails
B: Eyes
C: Gums
D: Nostrils
259. Short-sightedness can be corrected by using __?
A: Concave lens
B: Convex lens
C: Convex-concave lens
D: Concave-convex lens
260. Diamond is a very expensive ornament. It is composed of a single element __?
A: Gold
B: Carbon
C: Silver
D: Platinum
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