Q. Which of the following indicates the types of soil erosion in decreasing order of damage caused in India?
1) Ravine erosion and gullies, alkalinity and salinity, weeds and water-logging
2) Alkalinity and water-logging, ravine erosion and weeds
3) Water-logging, weeds, salinity and ravine erosion
4) All are equally damaging
Q. Which of the following States has very little alluvial soil ?
1) Bihar
2) Madhya Pradesh
3) Tamil Nadu
4) Punjab
Q. The soils of the Plains have not been derived -
1) from the Himalayan rocks
2) from the Peninsular rocks
3) onlv from the rocks existing locally
4) from material brought by the rivers
Q. Which of the following soils is formed under typical monsoonal conditions?
1) Black soils
2) Red soils
3) Laterite soils
4) None of the above
Q. Which of the following is incorrect ?
1) Red soils are rich in iron
2) Black soils are rich in phosphorus, nitrogen and organic matter
3) Alluvial soils are rich in potash but poor in phosphorus
4) Red soils are suitable for cultivation of pulses and coarse grains
Q. Which is the chief characteristic of the soil of the Indo-Gangetic plain?
1) It is derived from Himalayan rocks
2) It is rich in humus
3) It is formed of peninsular rocks
4) It is derived from local rocks
Q. Where in India would you find endemic flora?
I. Gangetic Plains
II. Peninsular areas
III. Himalayas
IV. Thar desert
1) II and III
2) I only
3) III only
4) II and IV
Q. Mahogany, Jamun, Bamboo, and Palm are typical of Wet Evergreen vegetation to be found in -
I Southern Sahyadris
II Hill regions of Shillong plateau
III Shiwaliks
1) I and III
2) II and III
3) II only
4) I and II
Q. Tropical moist deciduous vegetation is to be found in Sahyadris, north-east plateau of the Peninsula, and in the Shiwaliks. Which of the following is not a tree species of this group?
1) Teak
2) Sal
3) Sandalwood
4) Deodar
Q. The Indo-Gangetic plains of India are fertile due to -
1) the heavy and timely rains and forests
2) alluvial soils brought by the rivers from the mountains
3) hard labour of the farmers over the generations
4) better irrigation facilities
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