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NEET • BIOLOGY • BIODIVERSITY AND CONSERVATION
Biodiversity and conservation practice · Easy
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Practice format and chapter quiz
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1
Easy
1 of 24
Remembering
+4 | -1
The effect of reduction in biodiversity has been explained through Rivet popper hypothesis by
View answer and explanation
Correct option: B
Paul Ehrlich
Option B (Paul Ehrlich) is correct because Paul Ehrlich proposed the Rivet Popper hypothesis to explain the effect of reduction in biodiversity.
2
Easy
2 of 24
Remembering
+4 | -1
Identify the names of two hot spots of biodiversity in India
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Correct option: B
Western ghats and North Eastern Himalayas
Option B (Western ghats and North Eastern Himalayas) is correct because these are two recognized biodiversity hotspots in India.
3
Easy
3 of 24
Understanding
+4 | -1
Which of the following species are restricted to an area?
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Correct option: B
Endemic species
Option B (Endemic species) is correct because endemic species are by definition restricted to a specific geographic area.
4
Easy
4 of 24
Remembering
+4 | -1
The total number of biodiversity hot spots in the world are
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Correct option: C
34
Option C (34) is correct because there are currently 34 recognized biodiversity hotspots in the world.
5
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5 of 24
Understanding
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Wildlife is
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Correct option: A
All biota excluding man, domestic animals and cultivated crops.
Option A (All biota excluding man, domestic animals and cultivated crops) is correct because wildlife encompasses all living organisms in their natural habitats, excluding humans, domesticated animals, and cultivated crops.
6
Easy
6 of 24
Understanding
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Rivet Popper hypothesis explains the importance of
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Correct option: A
Species in an ecosystem
Option A (Species in an ecosystem) is correct because the Rivet Popper hypothesis uses the analogy of rivets in an airplane to explain the importance of each species in maintaining ecosystem function.
7
Easy
7 of 24
Understanding
+4 | -1
Main cause behind destruction of biodiversity is
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Correct option: A
Deforestation
Option A (Deforestation) is correct because deforestation leads to habitat destruction, loss of biodiversity, and disruption of ecosystems, making it a primary driver of biodiversity loss.
8
Easy
8 of 24
Remembering
+4 | -1
Which of the following is in-situ conservation strategy ?
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Correct option: C
Wildlife sanctuaries
Option C (Wildlife sanctuaries) is correct because wildlife sanctuaries are an example of in-situ conservation, which involves protecting species in their natural habitats.
9
Easy
9 of 24
Analyzing
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Choose the mismatched pair w.r.t the loss of biodiversity.
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Correct option: D
Co-extinctions - African catfish Clarias gariepinus
Option D (Co-extinctions - African catfish Clarias gariepinus) is correct because Clarias gariepinus is an example of an invasive species, not co-extinction. Co-extinction refers to the loss of a species due to the extinction of another species it depends on.
10
Easy
10 of 24
Understanding
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Biodiversity is affected by
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Correct option: A
Latitudinal gradients and species area relationship
Option A (Latitudinal gradients and species area relationship) is correct because both latitudinal gradients and species-area relationships are major factors influencing biodiversity patterns.
11
Easy
11 of 24
Remembering
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A historic convention on biological diversity held in Rio de Janerio in 1992 is known as
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Correct option: A
The earth summit
Option A (The earth summit) is correct because the historic convention on biological diversity held in Rio de Janeiro in 1992 is known as the Earth Summit.
12
Easy
12 of 24
Remembering
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Which one of the following possesses a very large number of endemic amphibian species?
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Correct option: C
Western Ghats
Option C (Western Ghats) is correct because the Western Ghats are a biodiversity hotspot known for a high number of endemic amphibian species.
13
Easy
13 of 24
Understanding
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Modern ex situ conservation includes
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Correct option: D
All of the above
Option D (All of the above) is correct because modern ex situ conservation methods include in vitro fertilization, cryopreservation techniques, and plant propagation using tissue culture.
14
Easy
14 of 24
Understanding
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One of these is not concerned with wild life conservation.
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Correct option: A
IVF
Option A (IVF) is correct because In Vitro Fertilization (IVF) is a reproductive technology primarily used for human infertility treatment, not directly related to wildlife conservation.
15
Easy
15 of 24
Remembering
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Three levels of biodiversity are
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Correct option: A
Genetic diversity, species diversity and ecological diversity
Option A (Genetic diversity, species diversity and ecological diversity) is correct because these are the three fundamental levels at which biodiversity is measured.
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16
Easy
16 of 24
Remembering
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In the species area relationship, ‘S’ represents
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Correct option: A
Species richness
Option A (Species richness) is correct because in the species-area relationship, 'S' represents the number of species in a given area, which is species richness.
17
Easy
17 of 24
Remembering
+4 | -1
Which one of the following is an example of ex situ conservation?
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Correct option: B
Seed bank
Option B (Seed bank) is correct because a seed bank is an example of ex-situ conservation, involving the storage of seeds away from their natural environment.
18
Easy
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Understanding
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Genetic diversity is the measure of
View answer and explanation
Correct option: B
Variety in the genetic information contained in the organisms
Option B (Variety in the genetic information contained in the organisms) is correct because genetic diversity refers to the variation in genes within a species.
19
Easy
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Understanding
+4 | -1
Biosphere reserves differ from national parks and wild life sanctuaries because in the former
View answer and explanation
Correct option: B
People are an integral part of the system
Option B (People are an integral part of the system) is correct because biosphere reserves emphasize the integration of human activities with conservation efforts, unlike national parks and wildlife sanctuaries which often prioritize strict protection.
20
Easy
20 of 24
Understanding
+4 | -1
Water hyacinth (Eichhornia crassipes) was introduced in Indian water to reduce pollution. It is an example of
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Correct option: C
Alien species invasions
Option C (Alien species invasions) is correct because introducing water hyacinth to reduce pollution is an example of introducing a non-native species, which can lead to ecological problems.
21
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Understanding
+4 | -1
Which of the following is most important cause of animals and plants to become extinct ?
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Correct option: D
habitat loss and fragmentation
Option D (habitat loss and fragmentation) is correct because habitat loss and fragmentation are the most significant drivers of species extinction, as they directly reduce the space and resources available for species survival.
22
Easy
22 of 24
Remembering
+4 | -1
The medicinal plant Rauwolfia vomitoria produces a chemical called
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Correct option: B
Reserpine
Option B (Reserpine) is correct because Rauwolfia vomitoria is a medicinal plant known to produce the chemical reserpine, used to treat high blood pressure.
23
Easy
23 of 24
Remembering
+4 | -1
Which of the following expanded forms of the following acronyms is correct?
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Correct option: C
IUCN – International Union for Conservation of Nature and Natural Resources
Option C (IUCN – International Union for Conservation of Nature and Natural Resources) is correct as it represents the accurate expanded form of the acronym IUCN.
24
Easy
24 of 24
Understanding
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From high latitude to low latitude, biodiversity
View answer and explanation
Correct option: B
Increases
Option B (Increases) is correct because biodiversity generally increases as you move from high latitudes (poles) towards the equator (low latitudes).
Revision notes and key takeaways
Review BIODIVERSITY AND CONSERVATION in your textbook or class notes, then use this set to check your understanding.
Key Takeaways
- ✓ This set contains 24 single-correct-answer MCQs on BIODIVERSITY AND CONSERVATION.
- ✓ Try each question before opening its answer. Read the explanation where one is available.
- ✓ Sign in to save submitted answers. Revisit incorrect answers alongside your textbook or class notes.