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80080211. The mass of a star is two times the mass of the Sun. How it will come to an end?
A
Neutron StarB
BlackholeC
White DwarfD
Red GiantCorrect Answer: A. Neutron Star
80096212. Therm' is the unit of
A
powerB
heatC
lightD
distanceCorrect Answer: B. heat
80123213. Which color is the complementary color of yellow?
A
BlueB
GreenC
OrangeD
RedCorrect Answer: A. Blue
80117214. When the main switch of the house is put off it disconnects the
A
live wire onlyB
live wire and the earth wireC
live wire and the neutral wireD
earth wire and the neutral wireCorrect Answer: C. live wire and the neutral wire
80060215. Submerged objects can be located using
A
radarB
sonarC
quasarD
pulsarCorrect Answer: B. sonar
80049216. Mist is caused by
A
dry iceB
ice at low temperatureC
water vapor at low temperatureD
carbon-monoxide in solid formCorrect Answer: C. water vapor at low temperature
80004217. A boat will submerge when it displaces water equal to its own:
A
volumeB
weightC
surface areaD
densityCorrect Answer: B. weight
80149218. Why does bleeding occur through the nose in high mountainous regions?
A
The pressure of blood in capillaries is greater than the outside pressure.B
The pressure at high altitudes is greater than that on the plainsC
The blood pressure of a person increases at high altitudesD
The blood pressure fluctuates and finally decreases drasticallyCorrect Answer: C. The blood pressure of a person increases at high altitudes
80020219. Boyle's law is a relationship between
A
Pressure and volumeB
Volume and temperatureC
Volume and densityD
Pressure and temperatureCorrect Answer: A. Pressure and volume
80001220. \'Cryogenics' is a science, dealing with
A
high temperaturesB
low temperaturesC
friction and wearD
growth of crystalsCorrect Answer: B. low temperatures
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