Science Fictions

 

 

  

Science Fiction

1. Acid rain results due to

(a) oxides of nitrogen             (b) carbon monoxide

(c) ammonia                         (d) oxides of nitrogen and sulphur dioxide

2. Sea water contains salt abundantly because

      (a) Salt mines are there underneath the seas

      (b) River water brings salt from all over the places

      (c) Sea water evaporation rate is faster

      (d) None of these

3. A boat filled with some stones is floating in water. If the stones are  dropped in to the water, the level of the water will,

    (a) rise     (b) decreases     (c) remain the same    (d) none of these

4. When a piece of ice melts in a beaker full of water, what will happen to the level of water?

      (a) It will go up                             (b) none of these

      (c) It will go down                        (d) It will remain the same

5. Why a small drop of water or mercury on a clear glass plate is circular in shape?

   (a) due to viscosity                        (b) due to capillary action

   (c) due to surface tension                (d) none of these

6. Why does sky look blue?

   (a) blue color of light is of short wave length, so can be scattered by dust

        particles and water vapours.

    (b) sky is actually blue in color

    (c) sky is the reflection of the sea water, so blue.

    (d) none of these

  7. Why does a dead body float in water.

      (a) body temperature is zero, so like ice it floats.

      (b) body after death loses its weight.

      (c) the weight the water displaced by dead body is more than the

           weight of dead body.

      (d) none of these

  8. When a vehicle oases, TV reception gets distorted. This is due to,

     (a) metal reflects radio waves.

      (b) spark plug create electromagnetic disturbances.

      (c) passing vehicle affects the sophisticated TV components.

      (d) Modern vehicle use electronic ignition system.

  9. When moon size is half of the full moon the angle between sun, earth

      and moon is

(a) 45 deg       (b) 0 deg       (c) 180 deg       (d) 90 deg

10. The speed of light will be minimum, while passing through

(a) Glass        (b) Vacuum       (c) Water        (d) Air

11. Which one of the following is used as an antifreeze for the Automobile

      Engines?

     (a) ethanol       (b) diesel      (c) methanol     (d) ethylene glycol

12. Haemophilia is a genetic disorder which leads to

      (a) decrease in haemoglobin level

      (b) rheumatic heart disease

      (c) decrease in WBC

      (d) non - clothing of blood

13. In eye donation, which one of the following parts of donor's eyes is

        utilized?

       (a) iris           (b) lens          (c) cornea          (d) retina

14. The stones formed in human kidney consists mostly of

       (a) calcium oxalate                      (b) sodium acetate

       (c) magnesium sulphate                (d) calcium

15. Most of the explosions in mines occur due to the mixing of

       (a) hydrogen with oxygen         (b) oxygen with acetylene

       (c) methane with air                (d) carbon dioxide with ethane

16. A noise level of 100 decibels would correspond to

       (a) just a audible sound           (b) ordinary conversation

       (c) sound from a noisy street     (d) noise from a machine shop

17. Fluorescent tubes are fitted with a choke. The choke coil

       (a) step up the line voltage

       (b) step down the line voltage

       (c) reduces current in circuit

       (d) chokes low frequency current

18. When a CD and DVD are seen in sun light, rainbow like colors are seen.

        This can be explained on the basis of the phenomenon of

       (a) reflection and diffraction

       (b) reflection and transmission

       (c) diffraction and transmission

       (d) refraction, diffraction and transmission

19. When water is heated from 0 deg to 10 deg its volume

       (a) increases                   (b) decreases     

       (c) does not change          (d) first decreases and then increases

20. 'Infrared' rays of the TV and DVD remotes can be seen with the help of

       (a) cooling glass                           (b) naked eyes    

       (c) inverting binoculars                  (d) mirrors

21.The total number of characters in the ASCII code?

   a) 126              b) 256

   c) 258              d) 128

22. In Windows NT- What NT stands for?   
  a) Network Techniques
  b) New Technology
  c) Network Transmission 
  d) None of  the above

23. Who is the CEO of Microsoft ?
   a) Bill Gates
   b) Steve Jobs
   c) Steve Balmer
   d) Andy Grove

24.Who is the father of Computers?
   a) Alan Turing
   b) Charles Babbage
   c) Bill Gates
   d) None of the above

25. Which of them is Object Oriented Language?
   a) Basic
   b) C
   c) C++
   d) Fortran

26. Power PC is the product of ?
   a) Microsoft
   b) IBM
   c) Apple
   d) Motorola


27. First Super Computer built in India.
   a) Cray
   b) Param
   c) Aryabhatta
   d) Arjuna


28. Which of the following companies do not manufacture chips?

   a) Microsoft
   b) Motorola
   c) Intel
   d) HP


29.What is the full form of  LAN
   a) Local Area Network
   b) Local Arial Networking
   c) Loop Around Network
   d) Loop Area Network


30. What is the full form of WAN
   a) Wireless Application Networking
   b) Wireless Access Network
   c) Wired Access Network
   d) Wide Area Network

Answers

1. (d)

2. (a)

  3. (b)

4. (d)

5. (c)

  6. (a)

  7. (c)

  8. (b)

  9. (c)

10. (a)

11. (c)

12. (d)

13. (c)

14. (a)

15. (c)

16. (d)

17. (a)

18. (d)

19. (d)

20. (c)

21. (d)

22. (b)

23. (c)

24. (b)

25. (c)

26. (c)

27. (b)

28. (a)

29. (a)

30. (d)

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