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Question 1 of 40
1. Question
The rotten dead matter in the soil is called:
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Question 2 of 40
2. Question
Soil is formed from the parent rock material by a very slow and gradual process called:
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Question 3 of 40
3. Question
The uppermost layer of earth’s crust, in which plants grow is:
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Question 4 of 40
4. Question
The uses of soil are:
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Question 5 of 40
5. Question
Soil is polluted by:
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Question 6 of 40
6. Question
A vertical section through different layers of the soil is:
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Question 7 of 40
7. Question
Different layers of the soil differs in feels colours, depth and chemical composition are:
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Question 8 of 40
8. Question
What kind of soil should be used for making matkas and surahis ?
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Question 9 of 40
9. Question
The forumla used to calculate the rate of percolation is:
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Question 10 of 40
10. Question
Which type of soil will allow water to reach a well faster and in greater amount ?
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Question 11 of 40
11. Question
Which type of soil retains the highest amount of water ?
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Question 12 of 40
12. Question
Which type of soil retains the least amount of water ?
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Question 13 of 40
13. Question
Rain water can be percolated by making:
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Question 14 of 40
14. Question
Wind, rainfall,’temperature, light and humidity affect the:
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Question 15 of 40
15. Question
Loamy soil is most suitable for planting:
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Question 16 of 40
16. Question
The removal of land surface by water, wind or ice is known as:
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Question 17 of 40
17. Question
The hard layer of rocks below the C horizon is called:
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Question 18 of 40
18. Question
Soil carried from else where and deposits them in the:
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Question 19 of 40
19. Question
Rain water washes off minerals and deposits them in the:
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Question 20 of 40
20. Question
Which soil is found in the fertile plains of Punjab and Uttar Pradesh ?
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Question 21 of 40
21. Question
The colour of red soil is due to presence of:
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Question 22 of 40
22. Question
Bacteria, fungi, algael and tiny organisms called:
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Question 23 of 40
23. Question
The best kind of soil for plant growth is:
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Question 24 of 40
24. Question
To improve the capacity to hold water ……………………. is added to the soil:
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Question 25 of 40
25. Question
Breaking down of rock to form soil is caused by:
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Question 26 of 40
26. Question
Cause of soil erosion is:
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Question 27 of 40
27. Question
Humus is present in:
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Question 28 of 40
28. Question
Humus is made up of:
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Question 29 of 40
29. Question
Fertility of soil is increased by the presence of:
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Question 30 of 40
30. Question
aerates the soil and allows the air to reach the roots of plants:
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Question 31 of 40
31. Question
For growing pulses the soil required is:
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Question 32 of 40
32. Question
In addition to the rock particles, the soil contains:
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Question 33 of 40
33. Question
The water holding capacity is the highest in:
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Question 34 of 40
34. Question
The smallest particles of rock form the:
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Question 35 of 40
35. Question
Which of these has the smallest size of particles:
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Question 36 of 40
36. Question
What kind of soil is best for growing cotton ?
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Question 37 of 40
37. Question
Humus and the smallest particles of rock form the upper layer of soil called:
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Question 38 of 40
38. Question
Which layer of the soil has most nutrients for plants ?
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Question 39 of 40
39. Question
Which soil has the right water holding capacity for plant growth:
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Question 40 of 40
40. Question
Which soil when felt with your hand will be the smoothest:
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