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Kerala PSC - Important and Repeated General Science Questions - 01

Kerala PSC - Important and Repeated General Science Questions - 01
This questions are useful for any competitive exam in Kerala Public Service Commission and all other state related exams. Try to learn by clicking the answer button. If you already know the answer then well and good, and if you don't known you will learn new Thing. Hope everyone will like this

1. Which of the following measurements is not a unit of distance?

[a] Ammeter
[b] Cubit
[c] Parsec
[d] angstrom

2. Which one of the following remains constant while throwing a ball upward?

[a] Displacement
[b] Kinectic energy
[c] Acceleration
[d] Velocity

3. Pure water freezes at what temperature?

[a] 47 F
[b] 32 F
[c] 0 F
[d] 19 F

4. Which vitamin is abundant in citrus fruits?

[a] Vitamin A
[b] Vitamin B
[c] Vitamin C
[d] Vitamin D

5. Zinc Oxide is

[a] Acidic
[b] Basic
[c] Neutral
[d] Amphoteric

6. Water is a _____________ Conductor of electricity.

[a] super conductor
[b] bad conductor
[c] speed conductor
[d] None of these

7. What element’s three isotopes have different names?

[a] Helium
[b] Oxygen
[c] Carbon
[d] Hydrogen

8. On which one of the following conservation laws, does a rocket work?

[a] Mass
[b] Energy
[c] Linear momentum
[d] Angular momentum

9. Which one among the following radiations carries maximum energy?

[a] Ultraviolet rays
[b] Gamma rays
[c] X- rays
[d] Infra red rays

10. The Central Arid Zone Research Institute (CAZRI) is located at

[a] Jaipur
[b] Jodhpur
[c] Jaisalmer
[d] Jallandhar

11. What is the main constituent of coal gas?

[a] Oxygen
[b] Water
[c] Nitrogen
[d] Methane

12. Recoil of a gun is an example of

[a] Conservation of mass
[b] conservation of energy
[c] conservation of PE into KE
[d] conservation of linear momentum

13. What is the heaviest of the naturally occuring Noble gases?

[a] Radon
[b] Xenon
[c] Helium
[d] Argon

14. Aviation fuel for Jet aeroplanes consists of purified

[a] Petrol
[b] Kerosene
[c] Gasoline
[d] Diesel

15. A piece of stone and or iron traveling through space that moves through the earth’s atmosphere is

[a] Planet
[b] Sun
[c] Moon
[d] Meteor

16. Which one of the following common devices works on the basis of the principle of mutual induction?

[a] Tube light
[b] Transformer
[c] Photodiode
[d] Led

17. Dc current can be controlled by which one of the following components?

[a] Impedance
[b] Resistance
[c] Capacitance
[d] Inductance

18. Mesons are found in

[a] Alpha -rays
[b] Laser beam
[c] X – rays
[d] Cosmic rays

19. A moderator is used in nuclear reactors in order to

[a] increase the no.of.neutrons
[b] decrease the no.of.neutrons
[c] slow down the speed of neutrons
[d] Anthony S. D’Mello

20. The wavelength of X-rays is of the order of

[a] 1 cm
[b] 1 m
[c] 10 micron
[d] 1 Angstrom

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