|
Explain how soil pollution and soil erosion could be prevented
|
|
0
|
7326
|
March 24, 2018
|
|
List the differences between clayey soil and sandy soil
|
|
0
|
7886
|
March 24, 2018
|
|
Explain how soil is formed
|
|
0
|
18407
|
March 24, 2018
|
|
In towns and cities, generally, the bore wells have to be dug very deep to get water as compared to bore wells dug in villages
|
|
0
|
4436
|
March 24, 2018
|
|
Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently
|
|
0
|
2857
|
March 24, 2018
|
|
Why is soil erosion relatively less in dense forests as compared to barren, open fields?
|
|
0
|
4722
|
March 24, 2018
|
|
Continuously water-logged soils are disadvantageous for plant growth. Why?
|
|
0
|
1826
|
March 24, 2018
|
|
How can you calculate the absorption of water by soil?
|
|
0
|
1490
|
March 24, 2018
|
|
What are the constituents of soil?
|
|
0
|
1355
|
March 24, 2018
|
|
List two harmful effects of soil erosion
|
|
0
|
755
|
March 24, 2018
|
|
What is soil profile? Name the layers found in soil profile
|
|
0
|
804
|
March 24, 2018
|
|
Soil is a home to several animals. Give examples to support this statement
|
|
0
|
2702
|
March 24, 2018
|
|
What is soil erosion? List the agents of soil erosion
|
|
0
|
1092
|
March 24, 2018
|
|
Rahul conducted an experiment to calculate the rate of percolation. He observed that it took 20 minutes for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation
|
|
0
|
1826
|
March 24, 2018
|
|
Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation
|
|
0
|
2409
|
March 24, 2018
|
|
How is clayey soil useful for crops?
|
|
0
|
10860
|
March 24, 2018
|
|
Locate the following zones given as boxed items in a diagram of soil profile
|
|
0
|
5919
|
March 24, 2018
|
|
Rajasthan is a desert state in India. Once while travelling to Rajasthan by train
|
|
0
|
2735
|
March 24, 2018
|
|
A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper
|
|
0
|
1723
|
March 24, 2018
|
|
Is it a good practice to remove grass and small plants that are growing in an open, unused field? Give reason to support your answer
|
|
0
|
2315
|
March 24, 2018
|
|
How can a farmer convert acidic soil to neutral soil?
|
|
0
|
4555
|
March 24, 2018
|
|
Which of the following situations ‘A’ or ‘B’ is advantageous for absorption of water and minerals? Why?
|
|
0
|
2440
|
March 24, 2018
|