NEET Biology · Chapter-wise PYQs

Biodiversity and Conservation NEET PYQs (2005–2026) with Solutions

Biodiversity and Conservation has appeared in 19 of the 22 NEET and AIPMT papers from 2005 to 2026, with 60 questions in all: about 2.7 per paper on average. The last five papers (2022–2026) had 15 questions from it.

The most-asked topics are Conservation (26), Biodiversity (4) and Biodiversity Hotspots and Protected Areas (3).

NEET MIND's syllabus map rates Biodiversity and Conservation as medium weightage: about 2 questions (8 marks) in a NEET paper.

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Free account: 15 PYQs from Biodiversity and Conservation with explanations and progress tracking. Premium unlocks all 60.

PYQs in this chapter
60
Papers it appeared in
19 of 22
Average per paper
2.7
NEET weightage
Medium

10 solved Biodiversity and Conservation PYQs

Real NEET and AIPMT questions from this chapter, newest first. Try each one, then open the answer and the step-by-step explanation.

  1. Question 1 (NEET 2026)

    NEET 2026EasyBioresources and bioprospecting
    Exploring molecular, genetic and species-level diversity for products of economic importance is called:
    1. Option A: Biofortification
    2. Option B: Bioremediation
    3. Option C: Bioprospecting
    4. Option D: Biomagnification
    Show answer & explanation

    Correct answer: (C) Bioprospecting

    Explanation

    Bioprospecting refers to exploring biodiversity for commercially valuable genetic, molecular or biochemical products. Hence option (C) is correct.

  2. Question 2 (NEET 2026)

    NEET 2026EasyBiodiversity Loss
    Since the origin and diversification of life on Earth, there have been five episodes of mass extinction of species. How is the sixth extinction, which is in progress, different from the previous episodes?
    1. Option A: The present net species extinction rate is zero.
    2. Option B: The current species extinction rate is nearly 10 times faster than in previous episodes.
    3. Option C: The present species extinction rates are 100 to 1000 times faster than in the pre-human times.
    4. Option D: The current species extinction rates are far lower than those in previous episodes.
    Show answer & explanation

    Correct answer: (C) The present species extinction rates are 100 to 1000 times faster than in the pre-human times.

    Explanation

    The ongoing sixth mass extinction is largely due to human activities, with extinction rates estimated to be 100–1000 times higher than pre-human levels. Hence option (C) is correct.

  3. Question 3 (NEET 2026)

    NEET 2026MediumBiodiversity Loss
    Which of the following statements are correct? A. The Amazon rainforest being cut and cleared for cultivation of soyabeans is an example of habitat loss. B. Steller’s sea cow and passenger pigeon became extinct due to over-exploitation by humans. C. The Nile perch introduced into Lake Victoria in East Africa helped in population growth of cichlid fish in the lake. D. Water hyacinth is an invasive species. E. When a species becomes extinct, the plant and animal species associated with it are not affected. Choose the correct answer from the options given below:
    1. Option A: A, B and E only
    2. Option B: A, B and D only
    3. Option C: C, D and E only
    4. Option D: B, C and D only
    Show answer & explanation

    Correct answer: (B) A, B and D only

    Explanation

    A: habitat loss in Amazon rainforest is correct; B: Steller’s sea cow and passenger pigeon became extinct due to overexploitation; D: water hyacinth is an invasive species. C is false because Nile perch reduced native cichlid diversity; E is false because associated species may also become extinct. Hence option (B) is correct.

  4. Question 4 (NEET 2026)

    NEET 2026EasyConservation
    Which of the following is an in situ conservation method?
    1. Option A: Sacred Groves
    2. Option B: Wildlife Safari Parks
    3. Option C: Botanical Gardens
    4. Option D: Seed Banks
    Show answer & explanation

    Correct answer: (A) Sacred Groves

    Explanation

    In situ conservation protects species within their natural habitat. Sacred groves are examples of in situ conservation, whereas botanical gardens and seed banks are ex situ methods.

  5. Question 5 (NEET 2026)

    NEET 2026EasyBiodiversity Loss
    ‘The Evil Quartet’ of biodiversity loss includes which of the following?
    1. Option A: Over-exploitation; Alien species invasions; Air pollution; Co-extinctions
    2. Option B: Habitat loss and fragmentation; Air pollution; Water pollution; Co-extinctions
    3. Option C: Habitat loss and fragmentation; Over-exploitation; Alien species invasions; Co-extinctions
    4. Option D: Over-exploitation; Alien species invasions; Soil pollution; Co-extinctions
    Show answer & explanation

    Correct answer: (C) Habitat loss and fragmentation; Over-exploitation; Alien species invasions; Co-extinctions

    Explanation

    The ‘Evil Quartet’ responsible for biodiversity loss consists of habitat loss and fragmentation, over-exploitation, alien species invasions and co-extinctions.

  6. Question 6 (NEET 2026)

    NEET 2026MediumSpecies richness of the Amazon rain forest
    Arrange the following in descending order of number of species in the Amazonian rain forest. (a) Plants (b) Birds (c) Fishes (d) Invertebrates (e) Mammals Choose the correct answer from the options given below :
    1. Option A: (c) > (b) > (d) > (e) > (a)
    2. Option B: (d) > (a) > (c) > (b) > (e)
    3. Option C: (e) > (b) > (a) > (c) > (d)
    4. Option D: (b) > (a) > (d) > (c) > (e)
    Show answer & explanation

    Correct answer: (B) (d) > (a) > (c) > (b) > (e)

    Explanation

    NCERT states that the Amazonian rain forest in South America has the greatest biodiversity on earth: it is home to more than 40,000 species of plants, 3,000 of fishes, 1,300 of birds, 427 of mammals, 427 of amphibians, 378 of reptiles and more than 1,25,000 invertebrates. Arranging these in descending order: invertebrates (1,25,000+) > plants (40,000) > fishes (3,000) > birds (1,300) > mammals (427). That is (d) > (a) > (c) > (b) > (e), option (B).

  7. Question 7 (NEET 2025)

    NEET 2025MediumConservation
    Match List I with List II : Choose the option with all correct matches.
    1. Option A: A-III, B-II, C-I, D-IV
    2. Option B: A-III, B-I, C-II, D-IV
    3. Option C: A-III, B-IV, C-II, D-I
    4. Option D: A-III, B-II, C-IV, D-I
    Show answer & explanation

    Correct answer: (B) A-III, B-I, C-II, D-IV

    Explanation

    The Evil Quartet refers to causes of biodiversity loss, ex situ conservation includes cryopreservation, Lantana camara is an alien invasive species, and Dodo is an extinct species.

  8. Question 8 (NEET 2024)

    NEET 2024EasyConservation
    List of endangered species was released by-
    1. Option A: FOAM
    2. Option B: IUCN
    3. Option C: GEAC
    4. Option D: WWF
    Show answer & explanation

    Correct answer: (B) IUCN

    Explanation

    The IUCN (International Union for Conservation of Nature) releases the Red List of Threatened Species, which includes endangered species.

  9. Question 9 (NEET 2024)

    NEET 2024HardBiodiversity
    Tropical regions show greatest level of species richness because A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification. B. Tropical environments are more seasonal. C. More solar energy is available in tropics. D. Constant environments promote niche specialization. E. Tropical environments are constant and predictable. Choose the correct answer from the options below:
    1. Option A: A, B and E only
    2. Option B: A, B and D only
    3. Option C: A, C, D and E only
    4. Option D: A and B only
    Show answer & explanation

    Correct answer: (C) A, C, D and E only

    Explanation

    Tropical regions have high biodiversity because they receive more solar energy, have remained undisturbed for long periods, possess stable predictable climates, and stable environments promote niche specialization.

  10. Question 10 (NEET 2022)

    NEET 2022EasyAir Pollution Control – CNG as Fuel
    The entire fleet of buses in Delhi were converted to CNG from diesel. Which statement is false?
    1. Option A: It cannot be adulterated like diesel
    2. Option B: CNG burns more efficiently than diesel
    3. Option C: The same diesel engine is used in CNG buses making the cost of conversion low
    4. Option D: It is cheaper than diesel
    Show answer & explanation

    Correct answer: (C) The same diesel engine is used in CNG buses making the cost of conversion low

    Explanation

    Conversion to CNG requires engine modification; the same diesel engine is not directly used.

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