HP POLICE S.I. PRELIMINARY EXAM

SCIENCE PART


1. Which one of the following is termed as poor man's car?

Answer. Goat is called poor man's cow because it is a functionality animal reared for wool, milk, flash and also for dunk.

2. A computer cannot boot if it does not have the 

Answer:-  operating system 

3 The shape of a raindrop is Spherical due to :-

Answer:- surface tension 

4 sound Travels fastest in :-

 Answer:- steel because sound waves needs a medium to move so that molecules of Steel as compared to a water in a good configuration so that they can 

5 the coil of an electric heater is made up of

Answer:-  aluminium

 6 chlorine is mixed in water so that bacteria 

Answer:-  bacteria are killed it is typically confusing question but the final answer is the bacteria are killed because water is cleaned by other processes that is the settling process and filtering process and  the main cause for mixing chlorine water is to kill the bacteria .

7 ascorbic acid is a

Answer:- vitamin 

8 Anthrax is caused by

Answer:-  bacteria 

9 penicillin is isolated from 

Answer:- fungi 

10 Which of the following is not a kharif crop ?

Options :- cotton, mustard, groundnut, Maize, 

Answer:- mustard

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