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MEDIUM
ENGLISH
Agriculture
Xerophytes have longer root system:
A
To grant mechanical support
Option A
B
Due to light factor
Option B
C
To draw water from deeper zones
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Development of soil from the parent rock is termed as:
A
Edaphotropism
Option A
B
Edaptic factor
Option B
C
Pedogenesis weathering
Option C
D
Edaphic climax
Option D
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MEDIUM
ENGLISH
Agriculture
The nature of the soil carried by river is:
A
Sandy
Option A
B
Clayey
Option B
C
Laterite
Option C
D
Alluvial
Option D
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MEDIUM
ENGLISH
Agriculture
Fertility of soil is measured by its ability to:
A
Hold organic matter
Option A
B
Hold water
Option B
C
Support life
Option C
D
Retain nutrients
Option D
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MEDIUM
ENGLISH
Agriculture
Lichens are well known combination of an alga and a fungus where fungus has:
A
An epiphytic relationship with the alga
Option A
B
A parasitic relationship with the alga
Option B
C
A symbiotic relationship with the alga
Option C
D
A saprophytic relationship with the alga
Option D
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MEDIUM
ENGLISH
Agriculture
Which of the following species are restricted to a given area?
A
Endemic
Option A
B
Sibling
Option B
C
Allopatric
Option C
D
Sympatric
Option D
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MEDIUM
ENGLISH
Agriculture
Plants, such as Prosopis, Acacia, and Capparis represent examples of tropical:
A
Grasslands
Option A
B
Evergreen forests
Option B
C
Deciduous forests
Option C
D
Thorn forests
Option D
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MEDIUM
ENGLISH
Agriculture
Water pores are found in which of the following plants?
A
Xerophytes
Option A
B
Mesophytes
Option B
C
Hydrophytes
Option C
D
Halophytes
Option D
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MEDIUM
ENGLISH
Agriculture
In water logged soil plants cannot grow properly because the soil is:
A
Physiologically wet
Option A
B
Physiologically dry
Option B
C
Physically dry
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Water-logged condition will quickly occur in which type of soil?
A
Sand
Option A
B
Loam
Option B
C
Graved
Option C
D
Clay
Option D
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MEDIUM
ENGLISH
Agriculture
Which of the following is not a angiosperm?
A
Chara
Option A
B
Hydrilla
Option B
C
Lotus
Option C
D
Water lettuce
Option D
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MEDIUM
ENGLISH
Agriculture
A0 layer of soil contains
A
Mineral soil
Option A
B
Litter
Option B
C
Unweathered material like rock
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Excessive aerenchyma is characteristic of:
A
Hydrophytes
Option A
B
Xerophytes
Option B
C
Mesophytes
Option C
D
Heliophytes
Option D
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MEDIUM
ENGLISH
Agriculture
Which of the following does not have stomata?
A
Hydrophytes
Option A
B
Submerged hydrophytes
Option B
C
Xerophytes
Option C
D
Mesophytes
Option D
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MEDIUM
ENGLISH
Agriculture
Mycorrhiza is the phenomenon of:
A
Antagonism
Option A
B
Parasitism
Option B
C
Endemism
Option C
D
Symbiosis
Option D
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MEDIUM
ENGLISH
Agriculture
Eichhornia cressipes is a:
A
Desert plant
Option A
B
Parasite
Option B
C
Water plant
Option C
D
Terrestrial plant
Option D
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MEDIUM
ENGLISH
Agriculture
Stratification is most complex in:
A
Tropical forest
Option A
B
Deciduous forests
Option B
C
Savannah
Option C
D
Both (a) and (b)
Option D
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MEDIUM
ENGLISH
Agriculture
The average amount of CO2 in atmosphere is:
A
0.30%
Option A
B
0.00%
Option B
C
3.00%
Option C
D
0.03%
Option D
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MEDIUM
ENGLISH
Agriculture
Unutilized place for the growth of flora (vegetation) is:
A
Dark cave
Option A
B
Pond
Option B
C
River bank
Option C
D
Saline water
Option D
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MEDIUM
ENGLISH
Agriculture
Plants of salty seashore wetlands are called:
A
Halophytes
Option A
B
Heliophytes
Option B
C
Hydrophytes
Option C
D
Saprophytes
Option D
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