281. The maximum soil fertility occurs in the pH range of
A. 5.0 to 6.2
B. 6.0 to 7.2
C. 7.0 to 8.2
D. 4.0 to 5.2
✅ The correct answer is option B.
World Geography MCQs
282. The mountains which come into being after the continental drift started, with the break up of the large land mass of pangola are
A. young mountains
B. old mountains
C. volcanic mountains
D. fold mountains
✅ The correct answer is option A.
283. The lowest point, on land, in the world is
A. Death valley, USA
B. Caspian sea, Russia
C. Dead sea, Jordan/Israel
D. Lake Eyre, Australia
✅ The correct answer is option C.
284. The study of day-to-day variations in weather called is called
A. climatology
B. meteorology
C. cyclogenesis
D. None of the above
✅ The correct answer is option B.
285. The sediment deposited at the base of the glacier is called
A. till
B. moraine
C. glacial sand
D. None of the above
✅ The correct answer is option A.
286. The metamorphism which involves the chemical replacement of elements in rock minerals when gases and liquids permute into bedrock is called
A. metasomatic metamorphism
B. dynamic metamorphism
C. thermal metamorphism
D. contact metamorphism
✅ The correct answer is option A.
287. The temperature needed to keep the earth’s surface and the atmosphere in thermal equilibrium is called
A. the surface temperature
B. equilibrium temperature
C. the mean global surface temperature
D. global temperature
✅ The correct answer is option C.
288. The unit of the light year is used for measuring
A. speed of satellites
B. speed of ships
C. distance between bodies in the universe
D. speed of rockets
✅ The correct answer is option C.
289. The planets called the inner planets, are
A. Jupiter, Saturn, Uranus, Neptune
B. Mars, Jupiter, Saturn, Uranus
C. Saturn, Uranus, Neptune, Pluto
D. Mercury, Venus, Earth, Mars
✅ The correct answer is option D.
290. The main crops of kharif are
A. rice, jowar, bajra
B. ragi, maize
C. cotton, jute
D. All of the above
✅ The correct answer is option D.