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MEDIUM
ENGLISH
Agriculture
The classification of plant groups on the basis of temperature differentiating four zone such as megatherms was proposed by:
A
Clements
Option A
B
Raunkiaer
Option B
C
Odum
Option C
D
Warming
Option D
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MEDIUM
ENGLISH
Agriculture
The heliophytes are characterised by:
A
Vertically oriented leaves
Option A
B
Horizontally oriented leaves
Option B
C
Dropping leaves
Option C
D
Twisted leaves
Option D
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MEDIUM
ENGLISH
Agriculture
The facultative heliophytes are infact:
A
Heliophytes
Option A
B
Chasmophytes
Option B
C
Chersophytes
Option C
D
Sciophytes
Option D
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MEDIUM
ENGLISH
Agriculture
A lake with nutrients is called:
A
Trophic
Option A
B
Eutrophic
Option B
C
Oligotrophic
Option C
D
Euphotic
Option D
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MEDIUM
ENGLISH
Agriculture
The following show commensalisms:
A
Sea anemon, hermite crab
Option A
B
Bird and rhino
Option B
C
Butter fly and sunflower
Option C
D
Liver fluck and sheep
Option D
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MEDIUM
ENGLISH
Agriculture
Type of relationship in which one organism is benefitted while there is no effect on other:
A
Symbiosis
Option A
B
Commensalism
Option B
C
Mutualism
Option C
D
Parasitism
Option D
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MEDIUM
ENGLISH
Agriculture
The plants present on the sand and gravel:
A
Lithophytes
Option A
B
Oxalophytes
Option B
C
Phancrophytes
Option C
D
Psammophytes
Option D
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MEDIUM
ENGLISH
Agriculture
The plants which can withstand narrow range of temperature tolerance:
A
Stenothermic
Option A
B
Eurythermic
Option B
C
Monothermic
Option C
D
Mesothermic
Option D
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MEDIUM
ENGLISH
Agriculture
Commensalism is:
A
When both partners are harmed
Option A
B
When both partners are benefited
Option B
C
When weaker partner is benefited and the stronger is unharmed
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
The factors governing the structure of soil are called:
A
Topographic
Option A
B
Temperature
Option B
C
Biotic
Option C
D
Edaphic climax
Option D
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MEDIUM
ENGLISH
Agriculture
Root cap is absent in:
A
Lithophytes
Option A
B
Xerophytes
Option B
C
Hydrophytes
Option C
D
Mesophyte
Option D
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MEDIUM
ENGLISH
Agriculture
Plants and animals living in a particular area consitute:
A
Flora and fauna
Option A
B
Community
Option B
C
Ecosystem
Option C
D
Ecology
Option D
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MEDIUM
ENGLISH
Agriculture
Autecology refers to:
A
Plant ecology
Option A
B
Animal ecology
Option B
C
Ecological study of individual species
Option C
D
Ecological study of group of species, which is grown together
Option D
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MEDIUM
ENGLISH
Agriculture
Mullerian mimicry is useful to:
A
Mimic only
Option A
B
Model only
Option B
C
Both (a) & (b)
Option C
D
Either of these
Option D
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MEDIUM
ENGLISH
Agriculture
A branch of ecology which is concerned with the study of individual species at all stages of its life cycle in relation to environment is called:
A
Reproductive ecology
Option A
B
Autecology
Option B
C
Synecology
Option C
D
Ecological niche
Option D
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MEDIUM
ENGLISH
Agriculture
Autecology is related to the study of:
A
Plant community
Option A
B
Environment
Option B
C
A species
Option C
D
Radiation
Option D
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MEDIUM
ENGLISH
Agriculture
Mycorrhiza is the:
A
Saprophytic association between fungus and the roots of seed plants
Option A
B
Parasitic association between fungus and the roots of seed plant
Option B
C
Symbiotic association between fungus and the roots of seed plants
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Acacia arabica is a:
A
Halophyte
Option A
B
Mesophyte
Option B
C
Xerophyte
Option C
D
Hydrophyte
Option D
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MEDIUM
ENGLISH
Agriculture
Ephemeral xerophytes are those that are:
A
Drought resisting
Option A
B
Drought escaping
Option B
C
Drought enduring
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Largest amount of fresh water on our planet is contained:
A
In lakes and streams
Option A
B
In rivers
Option B
C
Underground
Option C
D
On polar ice and glaciers
Option D
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