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MEDIUM
ENGLISH
Agriculture
Rotation of crop is essential for:
A
Increasing fertility of soil
Option A
B
Increasing quality of protein
Option B
C
Getting different kinds of crops
Option C
D
Increasing quality of minerals
Option D
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MEDIUM
ENGLISH
Agriculture
What is the major cause of diminishing wild life?
A
Cannibalism
Option A
B
Habitat destruction
Option B
C
Felling of trees
Option C
D
Paucity of drinking water
Option D
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MEDIUM
ENGLISH
Agriculture
Agrostology is related with the study of:
A
Agricultural growth
Option A
B
Epiphytes
Option B
C
Grasses
Option C
D
Nematode disease
Option D
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MEDIUM
ENGLISH
Agriculture
The ecological equilibrium in mined areas can be achieved by:
A
Preventing soil erosion
Option A
B
Developing a vegetational cover
Option B
C
Preventing overgrazing
Option C
D
Introducing agriculture
Option D
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MEDIUM
ENGLISH
Agriculture
Mulching helps in:
A
Moisture conservation
Option A
B
Weed control
Option B
C
Improvement of soil structure
Option C
D
Increasing soil fertility
Option D
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MEDIUM
ENGLISH
Agriculture
Fifth of June is celebrated as:
A
World environment day
Option A
B
Darwin’s birthday
Option B
C
World health and hygiene day
Option C
D
World population day
Option D
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MEDIUM
ENGLISH
Agriculture
Eroded soils are:
A
Rich in plant nutrients
Option A
B
Unaltered in plant nutrients
Option B
C
Devoid of plant nutrients
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Agriculture
Which of the following prevents afforestation in deserts:
A
Goat and grazing animals
Option A
B
Local resident
Option B
C
Unfertility of soil
Option C
D
Low rainfall
Option D
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MEDIUM
ENGLISH
Agriculture
Dark coloured soils are considered most fertile as they contain:
A
Gravel and sand
Option A
B
Sand and calcium
Option B
C
Clay and humus
Option C
D
Silt and earthworms
Option D
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MEDIUM
ENGLISH
Agriculture
Main indicator of soil erosion is:
A
Deforestation
Option A
B
Afforestation
Option B
C
Ozone layer
Option C
D
Goats and grazing animals
Option D
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MEDIUM
ENGLISH
Agriculture
Soil conservation can best achieved by having:
A
Wind screens
Option A
B
Good plant covers
Option B
C
Restricted human activity
Option C
D
Low rainfall
Option D
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MEDIUM
ENGLISH
Agriculture
Soil conservation means:
A
Prevention of spread of desert
Option A
B
To check soil erosion by wind and rains
Option B
C
To check soil erosion by afforestation
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Agriculture
Sheet erosion is caused by:
A
Fast running rivers
Option A
B
Wind
Option B
C
Heavy rains
Option C
D
Glaciers
Option D
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MEDIUM
ENGLISH
Agriculture
One of the following crops is the most effective in controlling soil erosion:
A
Cotton
Option A
B
Pigeon pea
Option B
C
Green gram
Option C
D
Maize
Option D
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MEDIUM
ENGLISH
Agriculture
Deforestation causes:
A
Soil erosion
Option A
B
Pollution
Option B
C
No floods
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Deforestation may reduce the chances of:
A
Rain fall
Option A
B
Frequent cyclones
Option B
C
Erosion of surface soil
Option C
D
Frequent landslides
Option D
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MEDIUM
ENGLISH
Agriculture
Which is the main causative factor for desertification?
A
Irrigated agriculture
Option A
B
Overgrazing
Option B
C
Tourism
Option C
D
Developmental activities
Option D
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MEDIUM
ENGLISH
Agriculture
Terracing is an affective method of soil conservation:
A
Desert areas
Option A
B
Hilly areas
Option B
C
Plains
Option C
D
Riverine areas
Option D
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MEDIUM
ENGLISH
Agriculture
Sources of organic matter are:
A
Primary
Option A
B
Secondary
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The major effects of soil organic matter are:
A
Soil depth
Option A
B
Climatic situation
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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