196. What is the unit of measurement of the distances of stars from the earth?
(A) Light years
(B) Fathoms
(C) Nautical miles
(D) Kilometers
Answer:
(A) Light years
Explanation:
The missing question likely asked: “Astronomical distances (or distance of stars) are measured in what unit?” A light-year is the distance light travels in one Earth year.
197. Light from the nearest star reaches the earth in
(A) 4.3 seconds
(B) 4.3 minutes
(C) 43 minutes
(D) 4.3 years
Answer:
(D) 4.3 years
Explanation:
Proxima Centauri is the closest star to our solar system, located approximately 4.24 to 4.3 light-years away.
198. The South Pole experiences continuous light at the time of
(A) Winter solstice
(B) Summer solstice
(C) Vernal equinox
(D) Autumnal equinox
Answer:
(A) Winter solstice
Explanation:
During the Northern Hemisphere’s winter solstice (around Dec 21), the South Pole is tilted directly toward the Sun, experiencing continuous daylight (the midnight sun).
199. Where is the doldrums belt located?
(A) Near the equator
(B) Near the polar areas
(C) On the Tropic of Cancer
(D) On the Tropic of Capricorn
Answer:
(A) Near the equator
Explanation:
The doldrums is a colloquial name for the Intertropical Convergence Zone (ITCZ), a belt of low pressure located around the equator characterized by calm, light, or unpredictable winds.
200. Name the instrument used for measuring humidity
(A) Barometer
(B) Thermometer
(C) Hygrometer
(D) Hydrometer
Answer:
(C) Hygrometer
Explanation:
A hygrometer is a meteorological instrument used to measure the amount of humidity or water vapor in the air.
