Question

10. The right mix of ............ and organic
matter makes the soil fertile.
11. Water from seas and oceans is
and is unfit for human consumption.
12.
grazing can help conserve soil.
13. Match the statement in Column A with the
term in Column B by writing the matching
number on the dotted line.
D. Re
SC
of
ra
Column A
Column B
ar
A.
Fall in productivity
of land
1. Mulching
2. Land
ре
se
le
ch
sc
th
degradation
=
Objective Type Questions
A. Multiple Choice Questions :
1. Which of these factors is not responsible
for land degradation?
a) Deforestation b) Terrace farming
c) Mining
2. Type of farming in which two or more crops
are grown together to prevent soil from
being washed away by rain.
a) Intercropping b) Contour ploughing
Terrace farming
3. Which of the following is not responsible for
soil formation?
a) Humus
by Agents of erosion
c) Land reclamation
4. The layer of soil that has maximum amount
of humus is called
a)Sub soil
by Topsoil
c) Parent rock
5. Which of the following activities helps in
water conservation?
a) Using tube wells
by Rainwater harvesting
c) Crop rotation
6. The percentage of fresh water on earth is
a) 2.5%
b) 1% c) 97%
B. Fill in the blanks :
7. 90% of the world's population lives in just
.....of its land area,
8. Only percentage of the total land
area is covered by land.
9. It takes thousands of years to form just
centimetre thick layer of
soil.
3. Contour
ploughing
4. Shelter
belts
Collecting and
storing rain water
B.
for reuse during
dry season
The process of
C. making sea water
fit for drinking.
Covering plants
with a layer of wet
D. straw or leaves
to help soil retain
moisture.
Cultivation of
crops along the
contours of a hill
E. slope to form a
natural barrier
for water to flow
down the slope.
Rows of trees
planted around
F.
farms act as a
shield against
strong winds.
Rocks are piled
up to slow down
G.
the flow of water
prevent gullies and
further soil loss,
5. Desalination
4
6. Rainwater
harvesting
.....
5
6
7. Rock dam
26
NTIG-8​

Answer 1

Answer:

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Answer 2

Answer:

For multiple choice question

1 which of the factor is not responsible for land dragdation

The answer is

Option number (b)

Question number 2 answer is

Option number A Intercropping