NEET UG BIOLOGY MCQ: ECO SYSTEM

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Consider the following statements about food web
I. One organism hold more than one position
II. The flow of energy is very difficult to calculate
III. Instead of straight line it is a series of branching lines
IV. Competition is amongst the members of same and different trophic levels
Which of the statements given above are correct?

View answer and explanation

Correct option: D

I, II, III and IV

Option D (I, II, III and IV) is correct because all the statements accurately describe characteristics of food webs.

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Which one of the following statements is correct for secondary succession? Find odd one out w.r.t. key functional aspects of the ecosystem. The reservoir for the gaseous type of biogeochemical cycle exists in Regarding 10% law
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?