GENERAL SCIENCE MCQS SET 07

GENERAL SCIENCE MCQS SET 07

1.  Nanometer is an
 (a)  Instrument used for measuring micro-distance
 (b)  Instrument used for measuring macro-distance
 (c)  Unit for measuring micro-distance
 (d)  Unit for measuring macro-distance.
 

2.  Barometer measures
(a)  Pressure
(b)  Atmospheric pressure
(c)  Wind velocity
(d)  Gaseous pressure.
 

3.  Thermometer is an instrument that measures
(a)  Temperature of substance
(b)  Heat of substance
(c)  Radiation of substance
(d)  Flow energy in a substance.
 

4.  Anemometer measures
(a)  Amount of haemoglobin in blood
(b)  Pollination of plant by the wind
(c)  Wind resistance
(d)  Wind speed.

5.  CO2 can be easily liquified and even solidified because
(a)   It has weak forces of attraction
(b)   It has comparatively more force of attraction than other gases
(c)   It has more intermolecular space
(d)   It is present in atmosphere.
 

6.  Which of the following has heighest kinetic energy?
(a)   Particles of ice at 0 °C
(b)   Particles of water at 0 °C
(c)   Particles of water at 100 °C
(d) Particles of steam at 100 °C
 

7.  Bose-Einstein Condensate have
(a)   Very low kinetic energy
(b)   Low kinetic energy
(c)   High kinetic energy
(d)   Highest kinetic energy.
 

8.  Which of the following is most suitable for summer?
(a)   Cotton
(b)   Nylon
(c)   Polyester
(d)   Silk.
 

9.  Which of the following is incorrect about plasma?
(a)   Fluorescent tube and neon sign bulbs consist of plasma.
(b)   The gas gets ionised when electrical energy flows through it.
(c)   It consists of super-energetic and super-excited particles.
(d)   The plasma glows with colour which does not depend upon nature of gas.
 

10.  The colour of vapours formed on sublimation of iodine solid is
(a)   Purple (violet)
(b)   Colourless
(c)   Yellow
(d)   Orange
 

11.  Under which of the following conditions we can boil water at room temperature?
(a)   At low pressure
(b)   At high pressure
(c)   At very high pressure
(d)   At atmospheric pressure
 

12.  Which of the following is not endothermic process?
(a)   Fusion
(b)   Vapourisation
(c)   Temperature
(d)   Insoluble heavy impurities
 

13.  Which of the following does not affect rate of evaporation?
(a)   Wind speed
(b)   Surface area
(c)   Temperature
(d)   Insoluble heavy impurities

ANSWER:
1. (c)    

2. (b)    

3. (a)    

4. (d)     

5. (b)    

6. (d)    

7. (a)    

8. (a)
9. (d)    

10. (a)    

11. (a)    

12. (c)
13. (d)