Soil Erosion and Conservation mcq questions and answers for competitive exams

Posted : 4 months ago
Soil Erosion and Conservation mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
1.
Soil erosion is the function of

a
Erosivity
b
Erodibility
c
Both
d
None of these

2.
Digging pits on the slopes just for the accumulation of run off is called as:

a
Contour trenching
b
Contour terracing
c
Beach terrasing
d
None of these

3.
Wind velocity higher at

a
50 m height from the ground
b
80 m height from the ground
c
100 m height from the ground
d
150 m height from the ground

4.
Mulch tillage increases

a
Moisture content in the soil
b
Presence of air
c
Flow of water
d
All of the above

5.
If there is a little slope in the field, the soil erosion can be prevented by:

a
Confour farming
b
Contour terracing
c
Contour strip cropping
d
All of these

6.
The most common method used for cultivation on hills:

a
Bench terracing
b
Ridge terracing
c
Channel terracing
d
Levelling

7.
Eroded soils are:

a
Rich in plant nutrients
b
Devoid of plant nutrients
c
Unaltered in plant nutrients
d
All of these

8.
To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called:

a
Mulching
b
Ley farming
c
Basin listing
d
Strip cropping

9.
' Chipko Movement ' is related to:

a
Project tiger
b
Animal breding
c
Operation flood
d
Plant conservation

10.
The grazing animals can change the type of vegetation by:

a
Cross pollination
b
Selective grazing
c
Bringing in plant pathogens
d
Bringing the seeds of other plants

11.
When young plants are grazed too heavily they get killed because:

a
The roots are starved
b
Of the mechanical injury to roots
c
Most of the aerial parts are eaten away
d
All of the above

12.
Fifth of June is celebrated as:

a
Darwin's birthday
b
World population day
c
World environment day
d
World health and hygiene day

13.
The disadvantage of ploughing in arid and semi-arid zones is:

a
Loss of soil water
b
Soil organisms are exposed
c
Soil particles became smaller
d
All of these

14.
Sheet erosion is caused by:

a
Wind
b
Glaciers
c
Heavy rains
d
Fast running rivers

15.
Bunds, dams and drains are constructed to prevent:

a
Gully erosion
b
Slip erosion
c
Sheet erosion
d
Stream bank erosion

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Soil Erosion and Conservation mcq questions and answers for competitive exams

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