Biodiversity And Conservation — DPP 3

20 NEET questions from Biodiversity And Conservation, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
Which of the following forest is known as the "lungs of the Planet" (earth) and their total contribution of oxygen to earth?
  1. A Rain forest of Kerela, 25%
  2. B Amazon rain forest, 20%
  3. C Taiga forest, 10%
  4. D Amazon rain forest, 45%
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Correct answer: B

2
One of the important function of botanical gardens is that :-
  1. A In situ conservation of biodiversity
  2. B One can observe only dried plants (non-living) there
  3. C They allow ex situ conservation of Biodiversity
  4. D They provide the natural habitat for wildlife
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Correct answer: C

3
Identify the correct set of statements :
(a) India has more than 50,000 genetically different strains of rice and 1,000 varities of mango.
(b) Eastern ghats have a greater amphibian species diversity than western ghats.
(c) According to IUCN (2004) the total number of plant and animal species described so far is slightly more than 1.5 million.
(d) According to Robert May global species diversity is about 7 million.
Choose the correct answer from options given below :
  1. A a, b and c
  2. B a, c and d
  3. C a, b and d
  4. D b, c and d
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Correct answer: B

4
Which is not correct about biodiversity :-
  1. A Insects are the most species rich taxonomic group, making up more than $70 \%$ of the total.
  2. B India has only 2.4 percent of the world's land area, its share of the global species diversity is an impressive 8.1 percent.
  3. C Nearly 45,000 species of plants \& twice as many of animals have been recorded from India
  4. D India has more than 1200 species of Bird.
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Correct answer: A

5
Match the following:
Biodiversity And Conservation – NEET-893
  1. A a-iv, b-ii, c-iii, d-i
  2. B a-ii, b-iii, c-iv, d-i
  3. C a-iv, b-iii, c-ii, d-i
  4. D a-iii, b-ii, c-i, d-iv
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Correct answer: C

6
Pollination (without which plants cannot give us fruits or seeds) is another service, ecosystems provide through pollinators layer-bees, bumblebees, birds and bats is an example of $\_\_\_\_$ .
  1. A Narrowly utilitarian
  2. B Broadly utilitarian
  3. C In- situ approach
  4. D Ex-situ approach
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Correct answer: B

7
Extinction of stellar's sea cow is due to which of the following reasons :-
  1. A Habitat loss
  2. B Over exploitation
  3. C Alien species invasion
  4. D Co-extinction
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Correct answer: B

8
Find the wrongly matched pair:
  1. A Endemism - Species confined to a region and not found anywhere else
  2. B Hotspots - Western ghats
  3. C Sacred groves - Jaintia hills of Rajasthan
  4. D Ex situ conservation-Zoological parks
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Correct answer: C

9
Which of the following statement(s) are correct? In general, loss of biodiversity in a region may lead to:
(a) Decline in plant production
(b) Lowered resistance to environmental perturbations such as drought
(c) Increased variability in certain ecosystem processes such as plant productivity, water use, and pest and disease cycles.
  1. A Only a and b
  2. B Only a
  3. C All a, b, and c
  4. D None of the above
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Correct answer: C

10
Social forestry is :
  1. A Planting tree on public places and common land's
  2. B Wood species are grown in combination with herbaceous crop
  3. C Growing ornamental and fruit tree in urban areas
  4. D Growing tree's needed for industries in specific area
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Correct answer: A

11
How many percent of the earth's land area is covered by all the biodiversity hot spots ?
  1. A More than two percent
  2. B Less than two percent
  3. C More than five percent but less than ten percent
  4. D More than two percent but less than five percent
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Correct answer: B

12
Which of the following characters is not related to biodiversity hot spot?
  1. A High species richness
  2. B High endemism
  3. C Lesser interspecific interaction
  4. D Accelerated habitat loss
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Correct answer: C

13
Biosphere refers to
  1. A Plants of the world
  2. B Special plants
  3. C Area occupied by living beings
  4. D Plants of a particular area
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Correct answer: C

14
Given below are two statements:
Statement-I: The IUCN Red List (2004) documents the extinction of 784 species (including 338 invertebrates, 359 vertebrates and 87 plants) in the last 500 years.
Statement-II: Over- exploitation is the most important cause driving animals and plants to extinction.
In the light of the above statements, choose the correct answer from the options given below:
  1. A Statement I is true but Statement II is false.
  2. B Statement I is false but Statement II is true.
  3. C Both Statement I Statement II is true.
  4. D Both Statement I Statement II is false.
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Correct answer: D

15
Which of the following is an ex-situ conservation strategy?
  1. A Sacred groves
  2. B Biodiversity hotspot
  3. C Botanical garden
  4. D National Park
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Correct answer: C

16
Western Ghat's of India is hot spot:
  1. A It is a ecotone in two community
  2. B It is a mega diversity zone
  3. C It is a warm places
  4. D It is a Hydrothermal vents
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Correct answer: B

17
Which one of the following pairs of organisms are exotic species introduced in India?
  1. A Nile perch, Ficus religiosa
  2. B Ficus religiosa, Lantana camara
  3. C Lantana camara, Water hyacinth
  4. D Water hyacinth, Prosopis cineraria
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Correct answer: C

18
Deserts, rain forests, mangroves, coral reefs, wet lands estuaries & Alpine meadows can be employed to describe the :-
  1. A Genetic diversity
  2. B Species diversity
  3. C Ecological diversity
  4. D All of the above
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Correct answer: C

19
The Indian Rhinoceros is a natural inhabitant of which one of the Indian states?
  1. A Uttar Pradesh
  2. B Himachal Pradesh
  3. C Assam
  4. D Uttarakhand
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Correct answer: C

20
(A) India has more than 50,000 genetically different strains of rice.
(B) Rauwolfia vomitoria growing in different range of western ghat show variation about concentration of reserpine.
(C) Out of 10 animals on this planet 7 are insects.
(D) Colombia has 1400 species of birds How many above statement are correct with respect to Biodiversity?
  1. A Four
  2. B Three
  3. C Two
  4. D One
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Correct answer: B

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