Among 'The Evil Quartet', which one is considered the most important cause driving extinction of species?
1. Co-extinctions
2. Habitat loss and fragmentation 
3. Over exploitation for economic gain 
4. Alien species invasions
Subtopic:  Loss of Biodiversity |
 83%
From NCERT
NEET - 2023
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Which of the following is/are cause(s) of biodiversity losses?
1. Over-exploitation, habitat loss and fragmentation
2. Climate change only
3. Over-exploitation only
4. Habitat loss and fragmentation only
Subtopic:  Loss of Biodiversity |
 89%
From NCERT
NEET - 2023
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Habitat loss and fragmentation, over-exploitation, alien species invasion and co-extinction are causes for : 
1. Natality 
2. Population explosion 
3. Competition
4. Biodiversity loss
Subtopic:  Loss of Biodiversity |
 91%
From NCERT
NEET - 2022
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Which of the following come under the "Evil Quarter"? 
(a) Habitat loss and fragmentation 
(b) Over-exploitation 
(c) Alien species invasion 
(d) Mortality 
(e) Competition 

Choose the correct answer from the options given below: 
1. (a), (c) and (d)
2. (b), (c) and (d)
3. (a), (b) and (c)
4. (a), (b) and (d)

Subtopic:  Loss of Biodiversity |
 94%
From NCERT
NEET - 2022
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Endemism refers to: 
1. Species richness 
2. Species evenness 
3. Species confined to that region 
4. Species diversity 

Subtopic:  Importance of Biodiversity | Loss of Biodiversity |
 79%
From NCERT
NEET - 2022
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Match List-I with List-II : 
List-I List-II
(a) Sacred groves (i) Alien species
(b) Zoological park (ii) Release of large quantity of oxygen
(c) Nile perch (iii) Ex-situ conservation
(d) Amazon forest (iv) Khasi Hills in Meghalaya

Choose the correct answer from the options given below :
(a) (b) (c) (d)
1. (iv) (iii) (i) (ii)
2. (ii) (iv) (i) (iii)
3. (iv) (i) (ii) (iii)
4. (iv) (iii) (ii) (i)
Subtopic:  Importance of Biodiversity | Loss of Biodiversity | In Situ Conservation of Biodiversity | Ex Situ Conservation of Biodiversity |
 92%
From NCERT
NEET - 2022
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The decline in the population of Indian native fishes due to the introduction of Clarias gariepinus in river Yamuna can be categorised as:

1. Co-extinction

2. Habitat fragmentation

3. Over exploitation

4. Alien species invasion

Subtopic:  Loss of Biodiversity |
 90%
From NCERT
NEET - 2019
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Which of the following is correctly matched?

Column I Column II
1. aerenchyma opuntia
2. age pyramid biome
3. parthenium hysterophorus  threat to biodiversity
4. stratification population
Subtopic:  Loss of Biodiversity |
 79%
From NCERT
NEET - 2016
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Red List contains data or information on?

1. all economically important plants

2. plants whose products are in international trade

3. threatened species

4. marine vertebrates only

Subtopic:  Loss of Biodiversity |
 94%
From NCERT
NEET - 2016
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Which of the following is the most important cause of animals and plants being driven to extinction?
1. Alien species invasion
2. Habitat loss and fragmentation
3. Co-extinctions
4. Over-exploitation
Subtopic:  Loss of Biodiversity |
 91%
From NCERT
NEET - 2016
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