SSC General Science 2

Question 1

The pH of pure water at 25°C is:

Accepted Answer

7

Answer

0

Answer

14

Answer

5

Question 2

Which part of the human eye contains the photoreceptors (rods and cones)?

Accepted Answer

Retina

Answer

Cornea

Answer

Lens

Answer

Pupil

Question 3

What type of mirror is used in the rear-view mirrors of vehicles?

Accepted Answer

Convex mirror

Answer

Concave mirror

Answer

Plane mirror

Answer

Parabolic mirror

Question 4

Rusting of iron is an example of which type of chemical reaction?

Accepted Answer

Oxidation

Answer

Reduction

Answer

Displacement

Answer

Decomposition

Question 5

Which blood group is considered the 'universal donor'?

Accepted Answer

O-

Answer

AB+

Answer

O+

Answer

A-

Question 6

The unit used to measure the frequency of sound waves is:

Accepted Answer

Hertz

Answer

Decibel

Answer

Joule

Answer

Pascal

Question 7

Which vitamin is produced by the human skin when exposed to sunlight?

Accepted Answer

Vitamin D

Answer

Vitamin A

Answer

Vitamin B12

Answer

Vitamin C