The historic Convention on Biological Diversity, 'The Earth Summit' was held in Rio de Janeiro in the year :
1.20022.1985
3.19924.1986
Subtopic:  Ex Situ Conservation of Biodiversity |
 78%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

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 |
 82%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

In 'rivet popper hypothesis', Paul Ehrlich compared the rivets in an airplane to
1.species within a genus2.genetic diversity
3.ecosystem4.genera within a family
Subtopic:  Importance of Biodiversity |
 65%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

The species of plants that plays a vital role in controlling the relative abundance of other species in a community is called _______.
1. alien species 2. endemic species
3. exotic species 4. keystone species
Subtopic:  Importance of Biodiversity |
 62%
NEET - 2023
Please attempt this question first.
Hints

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 |
 90%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

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 |
 90%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

 Which of the following is not a method of ex situ conservation?
1. Cryopreservation
2. In vitro fertilization
3. National Parks
4. Micropropagation
Subtopic:  Ex Situ Conservation of Biodiversity |
 76%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In-situ conservation refers to:
1. Conserve only extinct species
2. Protect and conserve the whole ecosystem
3. Conserve only high risk species
4. Conserve only endangered species
Subtopic:  In Situ Conservation of Biodiversity |
 76%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 93%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 77%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh