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80058191. Solar energy is converted into chemical energy during
A
TranspirationB
PhotosynthesisC
DiffusionD
OsmosisCorrect Answer: B. Photosynthesis
80114192. When a vehicle passes, TV reception gets distorted, This is because
A
metal reflects radio wavesB
spark plug creates electromagnetic disturbancesC
vehicle pollution affects the performance of the TV componentsD
modem vehicles use electroignition systemCorrect Answer: B. spark plug creates electromagnetic disturbances
80145193. Who among the following developed the technology of under-ground nuclear explosion?
A
Dr. Homi J. BhabhaB
Dr. Vikram SarabhaiC
Dr. Raja RamannaD
Dr. P. K. IyengarCorrect Answer: A. Dr. Homi J. Bhabha
80089194. The substance which conducts current in the solid-state is
A
diamondB
graphiteC
iodineD
sodium chlorideCorrect Answer: B. graphite
80037195. If the temperature of a place increases suddenly, the relative humidity
A
IncreasesB
DecreasesC
Remains constantD
FluctuatesCorrect Answer: B. Decreases
80137196. Which of the following produces more severe burns?
A
Boiling waterB
Hot waterC
SteamD
Melting iceberg.Correct Answer: C. Steam
80086197. The shape of our milky way galaxy is
A
circularB
ellipticalC
spiralD
None of the aboveCorrect Answer: C. spiral
80074198. The fundamental scientific principle in the operation of the battery is
A
acid-base interactionB
dialysisC
dissociation of electrolytesD
oxidation-reductionCorrect Answer: C. dissociation of electrolytes
80147199. Who measured the velocity of o light first?
A
GalileoB
NewtonC
RomerD
EinsteinCorrect Answer: C. Romer
80109200. What principle/law explains the working of hydraulic brakes in automobiles?
A
Bernoulli's lawB
Posieulle's principleC
Pascal's lawD
Archimedes' principleCorrect Answer: C. Pascal's law
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