Ecosystem: NEET Biology Previous Year Questions

211 previous year questions from Ecosystem. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $Which of the following would appear as the pioneer organisms on bare rocks?$
2. $Eutrophication of water bodies leading to killing of fishes is mainly due to nonavailability of :$
3. $Select the correct statement from the following :$
4. $The organization which publishes the Red List of species is :-$
5. $To protect and improve the quality of environment, the Government of India passed the Environment (Protection) Act in the year:$
6. $Air (Prevention and Control of Pollution) Act was amended in 1987 to include among pollutants$
7. $The UN conference of Parties on climate change in the year 2012 was held at :$
8. $Secondary Succession takes place on/in :$
9. $The World Summit on sustainable development held in 2002 in Johannesburg, South Africa pledged for:$
10. $Which of the following representations shows the pyramid of numbers in a forest ecosystem :-$
11. $Secondary productivity is rate of formation of new organic matter by :$
12. $Which of the following is correct for r-selected species?$
13. $How many hot spots of biodiversity in the world have been identified till date by Norman Myers ?$
14. $In the equation GPP-R = NPP R represents :$
15. $Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?$
16. $Of the total incident solar radiation the proportion of PAR is :-$
17. $Tiger is not a resident in which one of the following national park?$
18. $Between which among the following, the relationship is not an example of commensalism?$
19. $Which one of the following is not a functional unit of an ecosystem?$
20. $In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?$
21. $Which of the following statements is incorrect?$
22. $Secondary productivity is the rate of formation of none organic matter by$
23. $The pioneer species in a hydrarch succession are :$
24. $Which one of the following is categorized as a parasite in true sense ?$
25. $Identify the possible link "A" in the following food chain : Plant \to Insect \to Frog \to "A" \to Eagle$

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Ecosystem: NEET Biology Previous Year Questions

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