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 |
 92%
From NCERT
NEET - 2022
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Species Area relationship is described by the following equation. 
log S = log C + Z log A 
where Z is: 

 
1. Area  2. Species richness 
3. Slope of the line  4. Y-intercept 

Subtopic:  Biodiversity Patterns |
 75%
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:  In Situ Conservation of Biodiversity |  Biodiversity Conservation |
 80%
From NCERT
NEET - 2022
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Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
(a) Plants (b) Invertebrates (c) Fishes
(d) Mammals (e) Birds
Choose the correct answer from the options given below:
1. (a) > (b) > (e) > (d) > (c) 2. (a) > (c) > (d) > (b) > (e)
3. (b) > (a) > (e) > (d) > (c) 4. (b) > (a) > (c) > (e) > (d)
Subtopic:  Magnitude of Biodiversity |
 62%
From NCERT
NEET - 2022
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The World Summit on sustainable development held in 2002 in Johannesburg, South Africa pledged for:
1. A significant reduction in the current rate of biodiversity loss.
2. Declaration of more biodiversity hotspots.
3. Increase in agricultural production
4. Collection and preservation of seeds of different genetic strains of commercially important plants.
Subtopic:  Ex Situ Conservation of Biodiversity |
 86%
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:  In Situ Conservation of Biodiversity |
 94%
From NCERT
NEET - 2022
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Frugivorous birds are found in large numbers in tropical forests mainly because of :
1. lack of niche specialisation
2. higher annual rainfall
3. availability of fruits throughout the year
4. temperature conducive for their breeding
Subtopic:  Biodiversity Patterns |
 73%
From NCERT
NEET - 2022
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Western Ghats have a large number of plants and animal species that are not found anywhere else. Which of the following term is used to notify such species?
1.Threatened species2.Keystone species
3.Endemic species4.Vulnerable species
Subtopic:  In Situ Conservation of Biodiversity |
 83%
From NCERT
NEET - 2022
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According to Alexander von Humboldt :

1. Species richness decreases with increasing area of exploration
2. Species richness increases with the increasing area, but only up to a limit
3. There is no relationship between species richness and the area explored
4. Species richness goes on increasing with increasing area of exploration
Subtopic:  Biodiversity Patterns |
 84%
From NCERT
NEET - 2020
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Which one of the following is not observed in biodiversity hotspots?

1. Lesser interspecific competition
2. Species richness
3. Endemism
4. Accelerated species loss

Subtopic:  Magnitude of Biodiversity |
 60%
From NCERT
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