Science Questions for SSC CGL Exam 2017

science-questions-ssc-cgl

Dear Students, Science is an important part in GENERAL STUDIES of SSC CGL and CPO. In SSC CGL, 5-8 questions were asked from this part. So we provide 15 Questions of SCIENCE every day .We have provided Science Notes too.

Q1. Who enunciated the laws planetary motion?
(a) Nicolaus Copernicus
(b) Johannes Kepler
(c) Isaac Newton
(d) Galileo
Q2. Sun’s heat reaches us by
(a) Conduction
(b) Convection
(c) Radiation
(d) Reflection

Q3. Ocean currents are an example of
(a) convection
(b) conduction
(c) insulation
(d) radiation

Q4. The audio signals of TV are
(a) Amplitude modulated
(b) Frequency modulated
(c) Unmodulated
(d) Velocity modulated

Q5. Air coolers are more suitable for
(a) hot and humid climate
(b) hot and dry climate
(c) cool and humid climate
(d) cool and dry climate

Q6. Electricity is transmitted over long distances
(a) it is fast
(b) there is less wastage of energy
(c) it is safer
(d) it is cheaper

Q7. The device which converts sound energy into electrical energy is called
(a) Amplifier
(b) Speaker
(c) Microphone
(d) Transmitter

Q8. Myopia is the same as
(a) Near sightedness
(b) Astigmatism
(c) Presbyopia
(d) Long sightedness

Q9. The sound produced by a bat is—
(a) audible
(b) subsonic
(c) infrasonic
(d) ultrasonic

Q10. To measure the speed of an approaching car a police officer shines
(a) light waves on it
(b) microwaves on it
(c) radio waves on it
(d) ultra high frequency waves on it

Q11. Forged documents are detected by
(a) ultraviolet rays
(b) infra-red rays
(c) beta rays
(d) gamma rays

Q12. Red light is used for signals because it has
(a) long wavelength
(b) high intensity
(c) high frequency
(d) low refraction in the medium

Q13. In a refrigerator, the cooling system should always be
(a) at the top
(b) at the bottom
(c) at the middle
(d) can be anywhere

Q14. Radio activity is due to
(a) unstable nucleus
(b) stable nucleus
(c) stable electronic configuration
(d) stable electronic configuration

Q15. In sunlight a rose appears red. In green light, the same rose appears
(a) red
(b) black
(c) green
(d) yellow

CRACK SSC CGL 2017



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