Thursday, February 27, 2020

WBCS Polity and Constitution MCQs Prelims and Mains

Physics question bank for For UPSC | SSC | Rail | RRB | State PSC | CLASS 11 P20


Page 20

80058191. Solar energy is converted into chemical energy during
A
Transpiration
B
Photosynthesis
C
Diffusion
D
Osmosis
B
Correct Answer: B. Photosynthesis
80114192. When a vehicle passes, TV reception gets distorted, This is because
A
metal reflects radio waves
B
spark plug creates electromagnetic disturbances
C
vehicle pollution affects the performance of the TV components
D
modem vehicles use electroignition system
B
Correct Answer: B. spark plug creates electromagnetic disturbances
80145193. Who among the following developed the technology of under-ground nuclear explosion?
A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. Raja Ramanna
D
Dr. P. K. Iyengar
A
Correct Answer: A. Dr. Homi J. Bhabha
80089194. The substance which conducts current in the solid-state is
A
diamond
B
graphite
C
iodine
D
sodium chloride
B
Correct Answer: B. graphite
80037195. If the temperature of a place increases suddenly, the relative humidity
A
Increases
B
Decreases
C
Remains constant
D
Fluctuates
B
Correct Answer: B. Decreases
80137196. Which of the following produces more severe burns?
A
Boiling water
B
Hot water
C
Steam
D
Melting iceberg.
C
Correct Answer: C. Steam
80086197. The shape of our milky way galaxy is
A
circular
B
elliptical
C
spiral
D
None of the above
C
Correct Answer: C. spiral
80074198. The fundamental scientific principle in the operation of the battery is
A
acid-base interaction
B
dialysis
C
dissociation of electrolytes
D
oxidation-reduction
C
Correct Answer: C. dissociation of electrolytes
80147199. Who measured the velocity of o light first?
A
Galileo
B
Newton
C
Romer
D
Einstein
C
Correct Answer: C. Romer
80109200. What principle/law explains the working of hydraulic brakes in automobiles?
A
Bernoulli's law
B
Posieulle's principle
C
Pascal's law
D
Archimedes' principle
C
Correct Answer: C. Pascal's law



email

0 Comments:

Post a Comment