Short Questions on Science and Technology

Q151. Which one have the largest number of species in the world
(a) Plants
(b) Insects
(c) Animals
(d) Humans

Q152. Which of the following gases is primarily responsible for eutrophication of water bodies
(a) Nitrogen
(b) Sulphur dioxide
(c) Carbon dioxide
(d) All of the above

Q153. "Agrimycin" is used to control which of the following diseases
(a) Fungal disease
(b) Viral disease
(c) Bacterial disease
(d) Mycoplasma disease

Q154. Which of the following instruments is used for checking proper functioning of heart
(a) E.C.G
(b) Sonography
(c) C.T. Scan
(d) Glucometer

Q155. Brass gets discoloured in air due to the presence of
(a) Oxygen
(b) Hydrogen Sulphide
(c) Carbon dioxide
(d) Nitrogen

Q156. Thalassaemia is a hereditary disease which affects
(a) Blood
(b) Lungs
(c) Heart
(d) Bone

Q157. Yellow fever is spread by
(a) Air
(b) Water
(c) Housefly
(d) Mosquitoes

Q158. The reason of dental caries is
(a) viral infection
(b) contaminated water
(c) bacterial infection
(d) hereditary reason

Q159. Which of the following elements was first produced artificially
(a) Neptunium
(b) Plutonium
(c) Francium
(d) Technetium

Q160. Which metal is present in insulin
(a) Tin
(b) Copper
(c) Zinc
(d) Aluminium

Q161. Which of the following is a carrier of parasite Plasmodium
(a) Mosquito
(b) Fly
(c) Lice
(d) Air

Q162. Which of the following is a common refrigerant used in domestic refrigerator
(a) Neon
(b) Oxygen
(c) Freon
(d) None of the above

Q163. Which of the following is/are responsible for acid rain
(a) Carbon dioxide
(b) Carbon monoxide
(c) Propane
(d) Nitrous oxide and sulphur dioxide

Q164. Which gas is used in the purification of drinking water
(a) Helium
(b) Chlorine
(c) Fluorine
(d) Carbon dioxide

Q165. Which disease is caused by the fungi
(a) Polio
(b) Dermatitis
(c) Cholera
(d) Ringworm

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