MEDIUM
7th CBSE
IMPORTANT
Earn 100

What is the difference between clayey and sandy soil?
 

Important Questions on Soil

MEDIUM
7th CBSE
IMPORTANT
What is meant by percolation rate?
HARD
7th CBSE
IMPORTANT
100 mL of water was taken in a measuring cylinder. This water was added dropwise to 50 g of dry soil kept on a filter paper in the funnel. When the water just started dripping from the soil in the funnel, the amount of water left in the measuring cylinder was found to be 80 mL. Calculate the percentage of water absorbed by this soil.
MEDIUM
7th CBSE
IMPORTANT
Why is loamy soil best for growing crops?
MEDIUM
7th CBSE
IMPORTANT
Why does clayey soil have a very good water-holding capacity? Explain.
HARD
7th CBSE
IMPORTANT
What are the properties of soil?
MEDIUM
7th CBSE
IMPORTANT
Alex is a soil specialist, and he sells manure best suited for wheat. He goes to a village where farmers are planning to sow wheat which grows best in a clayey and loamy soil. He tests the soil sample and finds that the soil is more suitable for the growth of cotton rather than wheat. He tells the villagers about this despite knowing that they will not buy his manure.
(a) Why clayey-loamy soil is preferred for growing wheat?
(b) Which value is shown by Alex?
HARD
7th CBSE
IMPORTANT
What is meant by soil profile? Draw a sketch of the soil profile and label the various layers.
HARD
7th CBSE
IMPORTANT
Write any five features of clayey soil.