GK Questions and Answers, General Knowledge Quiz
Q. Which of the following acts as a resistance against disease in the body?
1) Carbohydrates
2) Red corpuscles
3) Vitamins
4) White corpuscles
Q. The chief purpose of crop rotation is to check the loss of topsoil -
1) by water erosion
2) by wind erosion
3) by weathering
4) of its mineral content
Q. All of the following are examples of chemical changes except the -
1) magnetizing of iron
2) rusting of iron
3) digestion of food
4) souring of milk
Q. The greatest value of bees to mankind is in -
1) supplying of food for birds
2) insuring pollination of certain crop plants
3) storing honey for man's use
4) furnishing beeswax needed in certain specialised industries
Q. The Rh factor refers to -
1) a protein substance found in the blood of some people
2) a hormone carried by the blood
3) the ratio of red corpuscles to white corpuscles in the blood
4) a process that speeds up the clotting of blood
Q. The reaction which converts sugar solution into alcohol is an example of -
1) saponification
2) hydrogenation
3) fermentation
4) hydrolysis
Q. The isotopes of an element contain the same number of -
1) neutrons and protons
2) protons but different number of neutrons
3) neutrons and protons but different number f electrons
4) neutrons and electrons but different number of protons
Q. Pressure cooker cooks rice faster because -
1) it always lets the steam escape
2) high pressure crushes the hard covering of rice grains
3) it does not let the heat energy escape easily
4) high pressure raises the boiling point of water
Q. Which of the following is a physical change?
1) Oxidation
2) Reduction
3) Decomposition
4) Sublimation
Q. Friction can be reduced by changing over from -
1) sliding to rolling
2) rolling to sliding
3) potential energy to kinetic energy
4) dynamic to static
