Science

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1 point

13. The deficiency of which of the following leads to dental caries?

Iron

Calcium

Flouride

Zinc

1 point

14. Healing of wounds is hastened by vitamin

1 point

2. Which of the following is used in pencils?

Lead

Graphite

Charcoal

Phosphorous

1 point

9. Which of the following devices works on the basis of principle of mutual induction?

Tubelight

Tranformer

Photodiode

LED

1 point

17. The theory of relativity was propounded by

Albert Einstein

Issac Newton

Neils Bohr

Earnest Rutherford

1 point

16. Which one of the following is called Stranger Gas?

Argon

Neon

Xenon

Nitrous Oxide

1 point

25. Which of the following in automobile exhaust can cause cancer?

Carbon Monoxide

Nitrogen Dioxide

Sulphur Dioxide

Lead Oxide

1 point

10. Which of the following is used as a moderator in a nuclear reactor?

Ordinary Water

Radium

Graphite

Thorium

1 point

20. An altimeter is used for measuring

Longitude

Latitude

Height

Altitude

10.

1 point

12. Which of the following is an enzyme?

Glucagon

Insulin

Somatotropin

Trypsin

11.

1 point

18. Dynamo was invented by

Alfred Nobel

Michael Faraday

Thomas Alva Edison

Max Plank

12.

1 point

4. Special 3-D photographs which have been taken with laser beams (and which make the objects look real) are called what?

Holograms

Laser

3D Special Effects

Potraits

13.

1 point

22. What is the lowest data-calculating unit in binary language?

Byte

Bit

Kilobyte

Megabyte

14.

1 point

3. Many animals use sound to find things. What is this system called?

Ultrasound

Echolocation

Doppler Effect

Seismic Waves

15.

1 point

5. In the Chemical Composition of the Crust, which compound has a share of more than 60% ?

Lime

Magnesia

Alumina

Silica

16.

1 point

21. Crescograph was invented by

Jagdish Chandra Bose

C.V. Raman

Subramanyam Chandrashekhar

Homi J. Bhabha

17.

1 point

23. What is the study of reptiles and amphibians known as?

Ornithology

Reptology

Herpetology

Zoology

18.

1 point

11. The phenomenon of total internal reflection is observed in which of the following?

Fibre Optic Cables

Light Passing through lens

Sparkling Diamond

Twinkling Stars

19.

1 point

8. Which of the following is not a heart valve?

Aortic valve

Mitral valve

Pulmonary Valve

Cardisac valve

20.

1 point

6. Which is the largest moon in the Solar System ?

Ganymede

Titan

Callisto

21.

1 point

7. The gas usually filled in the electric bulb is

Hydrogen

Nitrogen

Carbon dioxide

Oxygen

22.

1 point

19. The unit of power is

Joule

Watt

Calorie

Ohm

23.

1 point

24. Name the bacteria which turns milk into curd

Lactobacillus sachet

Lactobacillus casei

Lactobacillus plantarum

Lactobacillus acidophilus

24.

1 point

1. Brass gets discoloured in air because of the presence of which of the following gases in air?

Oxygen

Hydrogen sulphide

Carbon dioxide

Nitrogen

25.

1 point

15. Which of the following diseases is caused by the bite of a mad dog?

Hydroperitoneum

Hydrocephatus

Hydrocele

Hydrophobia

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