General Science Quiz For SSC Exams

1. Myopia is due to –
(a) elongation of eye ball
(b) irregular change in focal length
(c) shortening of eye ball
(d) older age

2. Blue colour of sky is due to phenomenon of –
(a) Reflection 
(b) Refraction
(c) Scattering 
(d) Dispersion

3. The human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to
(a) presbyopia 
(b) accommodation
(c) near-sightedness 
(d) far-sightedness

4. The change in focal length of an eye lens is caused by the action of the –
(a) pupil 
(b) retina
(c) ciliary muscles 
(d) iris

5. The plasma membrane is
(a) permeable 
(b) semipermeable
(c) differentially permeable 
(d) impermeable

6. A form of condensation that reduces visibility and causes breathing problems is
(a) Dew 
(b) Frost
(c) Smog 
(d) Mist

7. The total population divided by available arable land area is referred to as
(a) Population density 
(b) Nutritional density
(c) Agricultural density 
(d) Industrial density

8. Green glands are associated with
(a) Reproduction 
(b) Excretion
(c) Respiration 
(d) Digestion

9. During respiration, the gases enter into the blood and leave the same by the process of
(a) Active transport
(b) Diffusion
(c) Diffusion and active transport
(d) Osmosis

10. Heart is devoid of
(a) Cardiac muscle 
(b) Involuntary muscle
(c) Voluntary muscle 
(d) Smooth muscle

Note : Answers will be updated soon....