A. Contour fanning
B. Contour terracing
C. Gully control
D. Basin listing
✅ The correct answer is option A.
256. With what bio-region is the term Steppe associated?
A. Grasslands
B. Tropical forests
C. Savanna
D. Coniferous forests
✅ The correct answer is option A.
255. In which region is Terrace farming done?
A. Dry regions
B. Slope of hills
C. Mountain tops
D. Rooftops
✅ The correct answer is option B.
254. Alluvial soils are rich soil for crop cultivation but are poor in–
A. humus
B. nitrogen and humus
C. organic material
D. inorganic material
✅ The correct answer is option B.
253. Great Barrier Reef”, the world’s largest Coral reef is located in –
A. Caribbean Islands
B. Australia
C. Philippines
D. Indonesia
✅ The correct answer is option B.
252. The highest grade and best quality coal is –
A. Lignite
B. Peat
C. Bituminous
D. Anthracite
✅ The correct answer is option D.
251. The main source of usable water on the Earth is –
A. Oceans
B. Rivers
C. Underground water
D. Precipitation
✅ The correct answer is option C.
250. Which of the following rivers lies in a rift valley?
A. Luni
B. Chambal
C. Sone
D. Tapti
✅ The correct answer is option D.
249. ‘Flash floods’ are associated with –
A. Thunderstorms
B. Cyclonic storms
C. Tsunami
D. Tornado
✅ The correct answer is option B.
247. Tundras are –
A. Deciduous forests
B. Tropical rain forests
C. Cold deserts
D. Hot deserts
✅ The correct answer is option C.