Dear Readers,
We are providing the alternate quizzes on Chemistry/Biology/Physics. From this section you will get at least 7-8 questions in SSC CGL Exam. So from this quiz one can prepare general science section on daily basis.
Q1. Which one of following reflects back more sunlight as compared to other three?
(a)Sand desert
(b)Paddy crop land
(c)Land covered with fresh snow
(d)Prairie land
Q2. At which temperature the centigrade and Fahrenheit scales are equal?
(a) 40˚
(b) -40˚
(c) 37˚
(d) 94.6˚
Q3. The spread in colours in a rainbow on sky is primarily due to
(a) dispersion of sunlight
(b) reflection of sunlight
(c) refraction of sunlight
(d) total internal reflection of sunlight
Q4. The reason of mirage is
(a) interference of light
(b) diffraction of light
(c) polarisation of light
(d) total internal reflection of light
Q5. Why does one experience a strong shock when one accidentally touches a live wire of, say, 220 V?
(a) The resistance of human body is very high
(b) The resistance of human body is very low
(c) The human body is sensitive to even feeble currents
(d) The human body is sensitive to large currents only
Q6. The time period of a pendulum depends on
(a) the mass
(b) the length
(c) the time
(d) both (a) and (b)
Q7. The colour of the star is an indication of its—
(a) distance from earth
(b) temperature
(c) luminosity
(d) distance from the sun
Q8. Which one of the following statements is NOT correct?
(a) The velocity of sound in air increases with the increase of temperature.
(b) The velocity of sound in air is independent of pressure.
(c) The velocity of sound in air decreases as the humidity increases.
(d) The velocity of sound in air is not affected by the change in amplitude and frequency.
Q9. Which of the following is not correctly matched?
(a) Voltmeter — Potential difference
(b) Ammeter — Electric current
(c) Potentiometer — E.M.F.
(d) Galvanometer — Electric resistance
Q10. Domestic electrical wiring is basically a—
(a) series connection
(b) parallel connection
(c) combination of series and parallel connections
(d) series connection within each room and parallel connection elsewhere
Q11. A liquid drop tends to assume a spherical shape because of
(a) surface tension
(b) viscous force
(c) gravitational force
(d) centrifugal force
Q12. A man is sitting in a boat which is floating in pond. If the man drinks some water from the pond, the level of water in the pond will
(a) rise a little
(b) fall a little
(c) remain same
(d) None of these
Q13. What is/are the source(s) of Direct Current(DC)?
(a) Battery
(b) Cells
(c) Rectifier
(d) Both (a) & (b)
Q14. One feels heavier in a lift when the lift—
(a) is going down steadily
(b) just begins to go up
(c) is moving up steadily
(d) descends freely
Q15. What is a zoom lens?
(a)It is a lens having fixed focal length
(b)It is a lens having variable focal length
(c)It is a lens used in radio telescopes
(d)None of the above
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