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NEET 2027: Important Biology — Ecology & Biodiversity
NEET Biology • 10 questions • Free on ExamBattle
Practice Questions
Q1
The term "Biodiversity" was coined by:
- A. Darwin
- B. Edward Wilson
- C. Ernst Haeckel
- D. Odum
Q2
In a food chain, the energy transfer efficiency between trophic levels is approximately:
- A. 90%
- B. 10%
- C. 50%
- D. 1%
Q3
A keystone species is one whose:
- A. Population is the largest in an ecosystem
- B. Impact on ecosystem is disproportionately large relative to its abundance
- C. Removal has no effect on ecosystem
- D. Biomass is the highest
Q4
Primary succession starts on:
- A. Abandoned farmland
- B. Bare rock / newly formed volcanic island (no soil)
- C. Burned forest
- D. Flooded land
Q5
The ex-situ conservation of biodiversity includes:
- A. National parks
- B. Seed banks and zoological parks
- C. Biosphere reserves
- D. Wildlife sanctuaries
Q6
The ozone layer is depleted mainly by:
- A. CO₂
- B. CFCs (chlorofluorocarbons)
- C. Methane
- D. Nitrogen
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