General Science #11 Multiple Choice Questions

GENERAL SCIENCE #11

MULTIPLE CHOICE QUESTIONSGeneral Science : Multiple Choice Questions (MCQ) : Assam Jobs Guide

1. Permanent magnets can be made from which of the following?

(a) Cobalt

(b) Lead

(c) Aluminium

(d) Zinc

Answer: (a)

2. Heating a magnet will ……………….

(a) weaken it

(b) reverse its polarity

(c) have no effect

(d) strengthen it

Answer: (a)

3. The magnetic lines of force inside a bar magnet flow ………………………

(a) from north pole to south pole

(b) from south pole to north pole

(c) from both north and south poles to the middle point of the bar magnet

(d) from north or south poles, depending on the place and direction in which the bar magnet is placed

Answer: (b)

4. What is measured by hygrometer?

(a) It measures sound under water

(b) It measures electric

(c) It determines the purity of milk

(d) It measures the humidity in air

Answer: (d)

5. What is measured by the hydrophone?

(a) It measures electricity

(b) It determines the purity of milk

(c) It measures sound under water

(d) It measures humidity in air

Answer: (c)

6. Intensity of earthquake shocks is measured by which of the following?

(a) Radar

(b) Seismograph

(c) Teleprinter

(d) Speedometer

Answer: (b)

7. Blood pressure is measured by which of the following?

(a) Barometer

(b) Thermometer

(c) Pyrometer

(d) Sphygmomanometer

Answer: (d)

8. How many electrons are there in Na+?

(a) 5

(b) 7

(c) 10

(d) 12

Answer: (c)

9. The positron has a charge equal to that of which of the following?

(a) A proton

(b) An electron

(c) An α-particle

(d) A neutron

Answer: (a)

10. An element of atomic number 20 will exist in the period of Periodic table ……….

(a) 1

(b) 2

(c) 4

(d) 8

Answer: (c)

11. The temperature at which a real gas obeys the ideal gas laws over all wide range of pressure is which of the following?

(a) Inversion temperature

(b) Boyle’s temperature

(c) Reduced temperature

(d) Critical temperature

Answer: (b)

12. Which of the following is the mathematical representation of Boyle’s law?

(a) V1/T1=V2/T2

(b) d1/d2=T1/T2

(c) p1/d1=p2/d2

(d) p1d1=p2d2

Answer: (c)

13. In the gas equation pV=nRT, here n is which of the following?

(a) Number of atoms

(b) Weight of gases

(c) Number of gram atoms

(d) None of the above

Answer: (d)

14. Which of the following is a disease caused by the deficiency of Vitamin B?

(a) Goitre

(b) Night blindness

(c) Rickets

(d) Beriberi

Answer: (d)

15. The sensory organ that has reached its highest level of evolution in birds is which of the following?

(a) Skin

(b) Nose

(c) Ear

(d) Eye

Answer: (d)

16. Iron which is necessary for the body has the rich source in which of the following?

(a) Curd

(b) Potato

(c) Green leafy vegetables

(d) Mutton

Answer: (c)

17. Deficiency of iodine causes which of the following?

(a) Diabetes

(b) Goitre

(c) Gigantism

(d) Cretinism

Answer: (b)

18. Which of the following is the correct group of sense organs?

(a) Nose, ear, teeth, hair, eyes

(b) Ear, eyes, nose, lips, teeth

(c) Nose, ear, eyes, skin, tongue

(d) Eyes, nose, lips, ear, tongue

Answer: (d)

19. Plants make their food in which of the following?

(a) Flower

(b) Green leaves

(c) Kitchen

(d) Trunk

Answer: (b)

20. Nervous system …………………………..

(a) helps us to breathe

(b) helps to produce babies

(c) controls our actions

(d) All of the above

Answer: (c)

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