everyday science MCQs – Page 11

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
201. Which part of the Camera is analogue to the retina in the human eye?
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A. Aperture

B. Lens

C. Shutter

D. Film
202. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.
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A. 10 kg

B. 1 gram

C. 10 grams

D. 1 kg
203. Total volume of blood in a normal adult human being is
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A. 8-10 liters

B. 10-12 liters

C. 5-6 liters

D. 3-4 liters

204. The primary function of the feathers in birds is to _________?
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A. Make the body surface waterproof

B. impart coloration for species as well as sex recognition

C. Provide striking surface to the wings for flying

D. Provide insulation for preserving body heat

205. Sensitive layer of the eye is?
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A. Retina

B. Choriods

C. Sclerotic

D. None of these

E. Cornea

206. Which of the following diseases is caused by virus?
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A. Tuberculosis

B. Malaria

C. Cholera

D. Small pox
207. Cusec is a unit of _________?
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A. None of these

B. mass

C. Area

D. Time

E. Distance

208. Laughing gas has chemical composition of following two elements ?
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A. Nitrogen + Hydrogen

B. Nitrogen + Carbon

C. None of these

D. Nitrogen + Oxygen

E. Oxygen + Carbon

209. Water covers __________ of the Earths surface?
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A. 67%

B. 61%

C. 71%

D. 76%

210. Person with following blood group are considered to be universal recipient ?
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A. None of these

B. A+

C. O+

D. AB+

E. B+

211. Long-sight defect could be corrected by using __________ lens?
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A. concave

B. Convex

C. none of these

D. diverging

212. __________ are called the powerhouses of the cell?
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A. Mitochondria

B. Vesicles

C. Lungs

D. iver

213. Urine is produced in __________?
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A. Kidneys

B. Large intestine

C. Lungs

D. Liver

214. Acid rain is mainly caused by emissions of __________ in the atmosphere?
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A. Sulfur Dioxide and Potassium Nitrate

B. Sulfur Dioxide and Nitrogen Oxide

C. Sulfur and Charcoal

D. Nitrogen Oxide and Potassium Nitrate

215. The most abundant element in the Earths crust is __________?
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A. Carbon Dioxide

B. Silicon

C. Oxygen

D. Hydrogen

216. For being able to see three-dimensional pictures we have to use_________?
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A. A binocular

B. An epidiascope

C. A stereoscope

D. A camera

217. Human population growth is greatest in developing countries because ?
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A. the death rate is high in developing countries.

B. the birth rate is high in developing countries

C. most of the worlds population lives in industrialized countries.

D. much of the population has already reached the child bearing age.

218. For proper formation of teeth, __________ is essential?
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A. copper

B. iron

C. fluorine

D. iodine

219. The Great Spot is on the planet __________?
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A. Venus

B. Saturn

C. Mars

D. Jupiter
220. Oxidation is a chemical reaction involving the __________?
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A. Gain of Protons

B. Loss of Electrons

C. Gain of Electrons

D. Loss of Protons