General Knowledge on General Science

(Click on suggested Options to select the answer \| Color Red means : Wrong & Green Means: Correct)
131. If the spinning speed of the earth is increased then the weight of body at the equator A. increases B. decreases C. doubles D. does not change Check Answer \| Discussion 132. During wind storm the roofs of houses covered with GI Sheets may be blown off because A. wind creates low pressure over the roof B. wind creates high pressure over the roof C. roofs are not tightly bound D. None of the above Check Answer \| Discussion 133. Sacrificial anode protects Iron or ships underground pipelines etc. from rusting a process known as cathodic protection. Which one of the following metals cannot be used as a sacrificial anode? A. Tin B. Aluminium C. Zinc D. Magnesium Check Answer \| Discussion 134. Scientists from the zoological Survey of India (ZSI) have discovered a new species of.............Glyptothorax senapatiensis in the chindwin river drainage in Senapati district ofManipur . A. algae B. tortoise C. small fish D. cat fish Check Answer \| Discussion 135. The number of organisms that can be supported by the environment in a given area is known as A. Population B. Carrying Capacity C. Pyramid of Number or Biomass D. None of the above Check Answer \| Discussion 136. Non-stick cooking utensils are coated with A. black paint B. PVC C. teflon D. polystyrene Check Answer \| Discussion 137. What is the role of positive catalyst in a chemical reaction? A. It increases the rate of reaction B. It decreases the rate of reaction C. It increases the yield of the products D. It provides better purity of the products Check Answer \| Discussion 138. 'Much metal' is widely used in the manufacture of which of the following ? A. Material of car break B. Smoke detectors C. Cigarette lighter D. Emergency lighter Check Answer \| Discussion 139. The hair dye available in the market contains two bottles one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye . The function of hydrogen peroxide is A. to dilute the dye B. to oxidise the dye to give desired colour C. to reduce the dye to give desired colour D. to acidify the dye solution Check Answer \| Discussion 140. Two atoms are said to be isotopes if A. they have the same atomic numbers but different mass numbers B. they have the same number of neutrons, but different mass numbers C. the sun of the number of protons and neutrons is the same but the number of protons is different D. they have the same number of neutrons but different modes of radioactive decay Check Answer \| Discussion
Check More Pages... « Previous 1 ... 11 12 13 14 15 16 ... 17 29 Next »

Exercise

General Knowledge on General Science

Check More Pages...

Exercise