181. The area reserved for the welfare of wild life Is called – A. Sanctuary B. Forest C. National Park D. Botanical garden ✅ The correct answer is option C.
182. Trees are leafless for a shorter or longer season of the year in: A. Evergreen forest B. Mangrove forest C. Scrub jungle forest D. Deciduous forest ✅ The correct answer is option D.
183. The light from the Sun reaches the Earth in about— A. 8 seconds B. 8 minutes C. 10 seconds D. 10 minutes ✅ The correct answer is option B.
184. The planet emitting green light is – A. Jupiter B. Venus C. Uranus D. Neptune ✅ The correct answer is option C.
185. Which of the following asborbs part of the insolation and preserves earth’s radiated heat? A. Oxygen B. Nitrogen C. Water vapour D. Carbon-dioxide ✅ The correct answer is option C.
186. The planet revolving east to west is – A. Venus B. Uranus C. Neptune D. Pluto ✅ The correct answer is option A.
187. Density of the earth’s atmosphere is highest in the – A. Troposphere B. Stratosphere C. Mesosphere D. Ionosphere ✅ The correct answer is option A.
188. When the moon completely covers the sun, it is known as – A. the Antumbra B. the Umbra C. the Penumbra D. None of these ✅ The correct answer is option B.
189. Blizzards are characteristic features of— A. equatorial region B. tropical region C. Antarctic region D. temperate region ✅ The correct answer is option C.
190. A spinning neutron star is known as – A. White dwarf B. Black hole C. Pulsar D. Quasar ✅ The correct answer is option C.