Question

periods. Name two states where this type of soil is found.
(a) Useful for the cultivation of jute.
By the breaking down of
9. Explain the formation of soil. Name three different forces of nature which contribute in the evolution of soil.
ring, running water and
gullies
What is soil ?
1.
2.
3
State some factors that determine the type of soil found in India.
State one feature of mountain soil. Name two crops that can be grown on it.
Name the soil which is formed due to high temperature and heavy rainfall with alternating wet and dry
What is soil erosion ? Mention two main causes of soil erosion.
mainly found in Maharashtra
Pradesh, parts of Karnataka
Name the type of soil which is :
jarat and Tamil Nadu.
important crops grown
Black Soil
residual soil).
formed due to the
o are
4.
withering an
5.
6.
(b) Formed by decomposition of metamorphic rocks.
(c) Covers 40% of land area of India.
() Develops on old crystalline rocks under moderate to heavy rainfall.
(e) Alkaline in nature and contains a high proportion of salts.
7. Explain the formation of alluvial soil.
8. Name any three factors which affect the formation of soil.
10. Write three characteristics each of 'Khaddar' and 'Bhangar' soil.
11. Why is laterite soil less fertile ? Give two reasons.
12. Name the soil which supports half of the population of India.
13. Why is laterite soil found in the Western Coastal region ?
14. Distinguish between :
ence of vegetation
il erosion. It involves
trate further by the
(a) Khaddar and Bhangar soil.
(b) Soil erosion and Soil conservation.
15. Explain the following terms:
(a) Gully erosion
(b) Deforestation
(c) Soil conservation
(d) Soil erosion
uch as river, wind​

Answer 1

Answer:

Perfect questions for guys interested in maths..

2. The value of x + x(xx) when x = 2 is:

(a) 10, (b) 16, (c) 18, (d) 36, (e) 64

Solution:

x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

= 2 + 2(2 × 2)

= 2 + 2(4)

= 2 + 8

= 10

Answer: (a)