Reduction of mechanical and vascular tissue and poor roots are found in:?
A.Hydrophytes
B.Xerophytes
C.Halophytes
D.None of these
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B.Xerophytes
C.Halophytes
D.None of these
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Category: Forestry Environment Mcqs
Stratification occurs in:?
A.Desert
B.Tropical forest
C.Deciduous forest
D.Tundra
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B.Tropical forest
C.Deciduous forest
D.Tundra
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The proto co-operation is also called:?
A.Non-obligatory mutualism
B.Non-obligatory commensalism
C.Facultative predation
D.Facultative parasitism
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B.Non-obligatory commensalism
C.Facultative predation
D.Facultative parasitism
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The seeds of Rhus can endure a temperature as high as:?
A.40?C
B.60?C
C.65?C
D.80?C
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B.60?C
C.65?C
D.80?C
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The mesophytes are characterised by:?
A.Uniform mesophyll
B.Absence of cuticle
C.Well developed root-shoot systems
D.All of these
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B.Absence of cuticle
C.Well developed root-shoot systems
D.All of these
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The term ‘ethology’ was coined by:?
A.Reiter
B.Haeckel
C.Warming
D.Hilaire
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B.Haeckel
C.Warming
D.Hilaire
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Mechanical tissues and xylem are highly reduced in Hydrilla because:?
A.Water provides the support and there is no problem for the absorption and conduction of water
B.Otherwise the weight of these tissues would drown the plant
C.Of the anaerobic conditions created by submergence
D.Otherwise translocation of food would have been interrupted
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B.Otherwise the weight of these tissues would drown the plant
C.Of the anaerobic conditions created by submergence
D.Otherwise translocation of food would have been interrupted
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Auteceology is related to the study of:?
A.Plant community
B.Environment
C.A species
D.Radiation
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B.Environment
C.A species
D.Radiation
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The ecologically fixed and genetically irreversed component of species is called:?
A.Ecotone
B.Ecological equivalents
C.Ecotype
D.None of these
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B.Ecological equivalents
C.Ecotype
D.None of these
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Percentage of water left in the soil when a plant wilts is known as:?
A.Turgidity
B.Wilting coefficient
C.Field capacity
D.Water retaining power of the soil
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B.Wilting coefficient
C.Field capacity
D.Water retaining power of the soil
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