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Biodiversity and Conservation · Question 6

RE-NEET (UG) 2026MCQMedium📈 Topic in 38% papers+4−1
1

Arrange the following in descending order of number of species in the Amazonian rain forest.

  1. B > A > D > C > E
  2. C > B > D > E > A
  3. D > A > C > B > E
  4. E > B > A > C > D

Answer

(3) D > A > C > B > E

Solution

In the Amazonian rain forest, the number of species recorded is:

Invertebrates (D): > 125,000

Plants (A): > 40,000

Fishes (C): 3,000

Birds (B): 1,300

Mammals (E): 427

Thus, the descending order is D > A > C > B > E.

Answer: (3)

RE-NEET (UG) 2026

Keep practising — Biodiversity and Conservation

2

Which one of the following is an example of ex-situ conservation?

  1. Zoos and botanical gardens
  2. Protected areas
  3. National Park
  4. Wildlife Sanctuary
NEET (UG) 2025
3

Match List-I with List-II Choose the option with all correct matches.

  1. A-III, B-IV, C-II, D-I
  2. A-III, B-II, C-IV, D-I
  3. A-III, B-II, C-I, D-IV
  4. A-III, B-I, C-II, D-IV
NEET (UG) 2025
4

The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called

  1. in-situ conservation
  2. Ex-situ conservation
  3. Semi-conservative method
  4. Sustainable development
NEET (UG) 2024
5

These are regarded as major causes of biodiversity loss: Choose the correct option:

  1. A, C and D only
  2. A, B, C and D only
  3. A, B and E only
  4. A, B and D only
NEET (UG) 2024
6

List of endangered species was released by

  1. GEAC
  2. WWF
  3. FOAM
  4. IUCN
NEET (UG) 2024
7

Tropical regions show greatest level of species richness because Choose the correct answer from the options given below.

  1. A, C, D and E only
  2. A and B only
  3. A, B and E only
  4. A, B and D only
NEET (UG) 2024
8

Match List I with List II Choose the correct answer from the options given below:

  1. A-II, B-III, C-I, D-IV
  2. A-III, B-I, C-IV, D-II
  3. A-I, B-III, C-II, D-IV
  4. A-III, B-IV, C-II, D-I
NEET (UG) 2024
9

The regions with high level of species richness, high degree of endemism and a loss of 70\% of the species and habitat are identified as:

  1. Natural Reserves
  2. Sacred Groves
  3. Biodiversity Hotspots
  4. Biogeographical Regions
RE-NEET (UG) 2024
10

Which one of the following is not included under in-situ conservation?

  1. Wild-life sanctuary
  2. Botanical garden
  3. Biosphere reserve
  4. National park
RE-NEET (UG) 2024
11

Cryopreservation technique is used for :

  1. Protection of environment
  2. Protection of Biodiversity hotspots
  3. Preservation of gametes in viable and fertile condition for a long period
  4. In-situ conservation
RE-NEET (UG) 2024

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