GENERAL SCIENCE #11
MULTIPLE CHOICE QUESTIONS
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)
%2012th%20Board%20Exam%20Result%20Here!%20Assam%20Jobs%20Guide.png)
0 Comments