1. Match the following.
Column A
A. Red latosol.
B. Khadar.
C. Black soil.
D. Cultivation of coffee
E. Deforestation.
F. Upper layer of soil
G. Middle layer of soil
H. Sandy soil.
1. A home of living organism.
Clavey soil
Column B
i. Floods
ii. Basaltic rock
iii. Red soil
iv. Laterite soil
V. Alluvial soil
vi. Large particles
vii. All kind of soil
viii. Small particles
ix. Lesser amount of humus
x. Dark colour
Answers
Answer:
a
d
b
d
(a) – (iii), (b) – (v), (c) – (ii), (d) – (iv), (e) – (i).
Khadar
Humus
Soil erosion
Clayey
Rejar.
Soil is the uppermost fertile layer crust of the earth. It is formed by the process of breakdown large rocks into smaller particles by the action of rain, wind, temperature and microbes, plant and animals.
Different layer of soil having characteristic features are called soil profile. Each profile is divided into a series of layers called horizons.
Functions of soil:
Soil anchors the plants and firmly fixes them.
It serves as reservoir of food materials and water.
Soil helps plants to get oxygen from the soil through roots.
Organic matters: Dead and decaying plant matter, human excreta, dead microorganisms.
Inorganic matters: Nitrate, phosphate, carbonate, iron, sodium.
Explanation:
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Answer:
1. iii) Red Soil.
2. i) Floods.
3. ii) Basaltic Rock.
4. vii) All kind of soil.
5. iv) Laterite soil.
6. ix) Lesser amount of humas.
7. viii) Small Particles.
8. x) Dark Colour.
Explanation:
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