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NEET UG BIOLOGY MCQ: ECO SYSTEM
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Identify the wrong pair of statements.
I) During plant succession, some species colonise an area and populations become more numerous,whereas
populations of other species decline and even disappear.
II) Both hydrarch and xerarch successions lead to mesic conditions.
III) Secondary succession is a slow process when compared to primary succession.
IV) In the successive seral stages, there is no change in the diversity of species of organisms.
I) During plant succession, some species colonise an area and populations become more numerous,whereas
populations of other species decline and even disappear.
II) Both hydrarch and xerarch successions lead to mesic conditions.
III) Secondary succession is a slow process when compared to primary succession.
IV) In the successive seral stages, there is no change in the diversity of species of organisms.
View answer and explanation
Correct option: C
III, IV
Option C (III, IV) is correct because secondary succession is faster than primary succession, and the diversity of species changes during succession.
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I. This law was put forward by Lindeman in 1942
II. According to this law, during the transfer of food energy from one tropical level to the other, only about 10% is stored at higher trophic level and the remaining 90% is lost in respiration, decomposition and waste in the form of heat
Which of the statements given above is/are correct?
Standing crop refers to All successions irrespective of the habitat
proceed to which type of climax community?