Symbiosis is shown by
Symbiosis is shown by
Options
(a) Cuscuta (b) E. coil (c) Rafflesia (d) Monotropa
Correct Answer:
E. coil
Explanation:
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Biology
The 10% energy transfer law in a food chain was proposed by
The 10% energy transfer law in a food chain was proposed by
Options
(a) Tansley (b) Lindeman (c) Kormondy (d) Ambust
Correct Answer:
Lindeman
Explanation:
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The abundance of a species population, within its habitat is called
The abundance of a species population, within its habitat is called
Options
(a) relative density (b) niche density (c) absolute density (d) regional density
Correct Answer:
niche density
Explanation:
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The carrying capacity of a population is determined by its
The carrying capacity of a population is determined by its
Options
(a) limiting resource (b) birth rate (c) death rate (d) all of these
Correct Answer:
limiting resource
Explanation:
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The communities of primary succession are called as
The communities of primary succession are called as
Options
(a) sub-sere (b) mesosere (c) pioneer sere (d) none of these
Correct Answer:
pioneer sere
Explanation:
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The concept that ‘population tends to increase geometrically while food supply
The concept that ‘population tends to increase geometrically while food supply increases arithmetically’ was put forward by
Options
(a) Stuart Mill (b) Chrales Darwin (c) Adam Smith (d) Thomas Malthus
Correct Answer:
Thomas […]
The conversion of ammonia into nitrites and nitrates is called
The conversion of ammonia into nitrites and nitrates is called
Options
(a) ammonification (b) nitrification (c) denitrification (d) all of these
Correct Answer:
nitrification
Explanation:
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The essential components of ecosystem, without which ecosystems cannot function, are
The essential components of ecosystem, without which ecosystems cannot function, are
Options
(a) consumer organisms (b) secondary consumer organisms (c) sunlight, green plants (d) decomposer organisms
Correct Answer:
sunlight, green plants
Explanation:
No […]
The final stable community in ecological succession is
The final stable community in ecological succession is
Options
(a) pioneers (b) sere (c) climax (d) canivores
Correct Answer:
climax
Explanation:
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The formula for exponential population growth is
The formula for exponential population growth is
Options
(a) dN/dt = rN (b) dt/dN = rN (c) dN/rN = dt (d) rN/dN = dt
Correct Answer:
dN/dt = rN
Explanation:
No explanation available. […]