281. Condensation is the reverse of – A. Vaporization B. Smog C. Cirrus cloud D. Fog ✅ The correct answer is option A.
282. Very strong and cold icy winds that blow in the Polar regions are called – A. Typhoons B. Tornadoes C. Blizzards D. Polar winds ✅ The correct answer is option C.
283. Tides are caused by the gravitational pull of the – A. Earth on the Moon B. Earth on the Sun C. Sun and Moon on the Earth D. Moon on the Earth ✅ The correct answer is option C.
284. The main cause of Tsunami is : A. Volcanoes B. Cyclones C. Earthquake on sea floor D. Moon’s attraction ✅ The correct answer is option C.
285. Rubber plantations are found in – A. Temperate forests B. Mountain regions C. Polar regions D. Equatorial regions ✅ The correct answer is option D.
286. The one who is engaged in scientific drawing of maps is called – A. Geographer B. Cartographer C. Meteorologist D. Geologist ✅ The correct answer is option B.
287. Which of the following exhibits unidirectional flow in an ecosystem? A. Light B. Energy C. Water D. Biomass ✅ The correct answer is option B.
288. Which is the most stable ecosystem? A. Desert B. Ocean C. Mountain D. Forest ✅ The correct answer is option B.
289. The topography of plateau is ideal for – A. cultivation B. forestry C. mining D. generation of hydro power ✅ The correct answer is option D.
290. An artificial ecosystem is represented by A. pisciculture tank B. agricultural land C. zoo D. aquarium ✅ The correct answer is option D.