SSC, IBPS, UPSC, PSC and RRB General Science preparation

Download important General Science questions and answer set for SSC, IBPS, UPSC, PSC and RRB exam preparation.

1. Which of the following vitamins is stored in the liver ?
   (A) Vitamin A
   (B) Vitamin C
   (C) Vitamin E
   (D) Vitamin K
   Ans : (A)
2. Which of the following is needed by a person suffering from diabetes ?
   (A) Antibiotics
   (B) Insulin
   (C) Penicillin
   (D) Streptomycin
   Ans : (B)
3. In which season do we need more fast ?
   (A) Rainy season
   (B) Spring
   (C) Winter
   (D) Summer
   Ans : (C)
4. Which out of the following organs dies not eliminate waste products from the body ?
   (A) Large intestine
   (B) Liver
   (C) Kidney
   (D) Skin
   Ans : (A)
5. Superconductivity is a phenomenon in which the resistance of a substance–
   (A) increases with temperature
   (B) decreases with temperature
   (C) does not change with temperature
   (D) becomes zero at very low temperature
   Ans : (D)
6. An element common to all acids is–
   (a) oxygen
   (b) hydrogen
   (c) sulphur
   (d) chlorine
   Ans : (B)
7. Which of the following statements relating to sound and light is true ?
   (A) Light is a form of kinetic energy, whereas sound is a form of potential energy.
   (B) Light can be reflected but sound cannot be.
   (C) Light travels faster in air than sound does.
   (D) Sound travels in waves but light does not.
   Ans : (C)
8. Weight of an object put in a satellite orbiting in space around the earth is–
   (A) the same as on the earth
   (B) slightly more then that on the earth
   (C) less then that on the earth
   (D) reduced to zero
   Ans : (D)
9. Which of the following food articles contain only one of the five constituents of diet, viz., fasts, carbohydrates, proteins, mineral salts and vitamins ?
   (A) Bread
   (B) Mongo
   (C) Milk
   (D) Sugar
   Ans : (D)
10. Friction can be reduced by changing over from–
    (A) sliding to rolling
    (B) rolling to sliding
    (C) potential energy to kinetic energy
    (D) dynamic to static
    Ans : (A)
11. Which of the following is a physical change ?
    (A) Oxidation
    (B) Reduction
    (C) Decomposition
    (D) Sublimation
    Ans : (D)
12. Pressure cooker cooks rice faster because–
    (A) it always lets the steam escape
    (B) high pressure crushes the hard covering of rice grains
    (C) it does not let the heat energy escape easily 
    (D) high pressure raises the boiling point of water
    Ans : (D)
13. The isotopes of an element contain the same number of–
    (A) neutrons and protons
    (B) protons but different number of neutrons 
    (C) neutrons and protons but different number of electrons
    (D) neutrons and electrons but different number if protons
    Ans : (B)
14. Photophobia is–
    (A) a disease caused by too much sunlight
    (B) abnormal intolerance of light
    (C) the adjustment of the eye for light
    (D) the ability to perceive light
    Ans : (B)
15. Which one of the following elements is least likely to be found in commercial fertilisers ?
    (A) Nitrogen
    (B) Phosphorus
    (C) Potassium
    (D) Silicon
    Ans : (D)
16. Lime is sometimes applied to soil in order to–
    (A) increase the alkalinity of the soil
    (B) increase the acidity of the soil
    (C) restore nitrates to the soil
    (D) make the soil more porous
    Ans : (A)
17. An element found in all organic compounds is–
    (A) oxygen
    (B) calcium
    (C) nitrogen
    (D) carbon
    Ans : (D)
18. Most commonly used bleaching agent is–
    (A) alcohol
    (B) carbon  dioxide
    (C) chlorine
    (D) sodium chloride
    Ans : (C)
19. Which one of the following is not allied to Geophysical Sciences ?
    (A) Hydrology
    (B) Meteorology
    (C) Palaeontology
    (D) Seismology
    Ans : (C)
20. Brain of a normal human adult weighs about– 

(A) 1 lb
(B) 2 lb
(C) 3 lb
(D) 4 lb
Ans : (C)