Loss of biodiversity may lead to all except:
1. decline in plant production
2. increased resistance to environmental perturbance
3. increased variability in water use
4. increased variability in pest and disease cycle

Subtopic:  Loss of Biodiversity |
 67%
From NCERT
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The main difference between "Sixth Extinction" and the previous five extinctions is that the sixth extinction:
1. is mainly occurring on islands
2. is mainly affecting plants
3. is occurring at a faster rate
4. does not involve human activities

Subtopic:  Loss of Biodiversity |
 88%
From NCERT
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What is applicable to both Lates niloticus and Lantana camara ?

1. They are on the verge of extinction due to over-exploitation by humans.

2. They are alien species that became invasive in certain environments causing threat to indigenous biodiversity.

3. They are mutualists and likely to undergo co-extinction in recent future.

4. They are keystone species and are vital to the stability of tropical ecosystems.

Subtopic:  Loss of Biodiversity |
 85%
From NCERT
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Which of the following is correctly matched?

(1) Arenchyma               -  Opuntia

(2) Age pyramid             -  Biome

(3) Parthenium hysterophorus - Threat to biodiversity

(4) Stratification             - Population

Subtopic:  Loss of Biodiversity |
 74%
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 |
 93%
From NCERT
NEET - 2016
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The organisation which publishes the Red List of species is

1. ICFRE  

2. IUCN  

3. UNEP  

4. WWF

Subtopic:  Loss of Biodiversity |
 96%
From NCERT
NEET - 2014
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Which of the following is not an invasive species?

(1) Parthenium hysterophorus

(2) Nelumbo (lotus)

(3) Lantana camara

(4) Eichhornia crassipes

Subtopic:  Loss of Biodiversity |
 88%
From NCERT
AIIMS - 2013
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One out of the following is not responsible for biodiversity loss.

(1) Alien species invasion

(2) Co-extinction

(3) Ex-situ conservation

(4) Deforestation

Subtopic:  Loss of Biodiversity |
 82%
From NCERT
AIIMS - 2015
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The term "The Evil Quartet" is related with:

(1) Four major causes of forest loss   

(2) Four major causes of population explosion

(3) Four major causes of air pollution 

(4) Four major causes of biodiversity losses

Subtopic:  Loss of Biodiversity |
 92%
From NCERT
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The exotic species, introduced in India for its flower and leaf is:

(1) Lantana                                       
(2) Water Hyacinth (Eicchornia)
(3) Parthenium                                  
(4) All are correct

Subtopic:  Loss of Biodiversity |
From NCERT
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