Soils of the rainforest are rich in humus because of the?
A. multiple species of trees B. dense vegetation cover C. large quantity of decayed leaves D. absence of sunlight at the surface E. heavy rainfall Correct Answer: Option C – large quantity of decayed leaves
The substance that cements soil particles together is?
A. air B. nutrients C. sand D. colloid E. loam Correct Answer: Option D – colloid
Which of the following crops requires sandy porous and well aerated soils for growth?
A. Tea B. Coffee C. Rice D. Cocoa E. Groundnut Correct Answer: Option E – Groundnut
In humid climates, the process by which dissolved minerals in a horizon of the soil are transported downwards is known as?
A. Leaching B. calcification C. oxidation D. transpiration E. percolation Correct Answer: Option A – Leaching
The sunshine duration of a place is recorded by a?
A. cup anemometer B. sundial C. sunshine recorder D. thermometer E. barometer Correct Answer: Option B – sundialProducts
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