The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?A. The population if its predators increases enormouslyB. S-shaped or sigmoid growth of this insect.C. The food plants mature and die at the end of the rainy season.D. Its population growth curve is of j-type.

The population of an insect species shows and explosive increase in nu

1.	The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?A. The population if its predators increases enormouslyB. S-shaped or sigmoid growth of this insect.C. The food plants mature and die at the end of the rainy season.D. Its population growth curve is of j-type.
Answer» Correct Answer - D

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Define the following terms and give one example for each: (a) Commensalism (b) Parasitism (c) Camouflage (d) Mutualism (e) Interspecific competition
Select the statement which explains best parasitism. (a) One organism is benefited. (b) Both the organisms are benefited. (c) One organism is benefited, other is not affected. (d) One organism is benefited, other is affected.
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Select the statement which best explains commensalism (a) One organism is benefitted (b) Both the organisms are benefitted (c) One organism is benefitted , other is not affected (d) One organism is benefitted , other is affected .
Each environment can support a limited population depending upon itsA. Biotic potentialB. Carrying capacityC. NatalityD. Reproductive potential
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In an area, if there are 200 Parthenium plants but only a single huge banyan tree with a large canopy, the population density is measured in terms ofA. Number or biomassB. Number of per cent coverC. Biomass or per cent coverD. Number, biomass or per cent cover.
One species is benefitted and other is neutral. This association is calledA. MutualismB. CommensalismC. AmensalismD. Parasitism
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