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The extinction of passenger pigeon was d...

The extinction of passenger pigeon was due to

A

Increased number of predatory birds

B

Over exploitation by humans

C

Non-avilability of the good

D

Bird flu virus infection

Text Solution

Verified by Experts

The correct Answer is:
B
Extinction of passenger pigeon (Ectopistes migratorius) was due to over exploitation by human being. Factors like increase in number of predatory birds, non-availability of food and bird flu virus inflection did not contribute to the extinction of passenger pigeon.
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NCERT EXEMPLAR-BIODIVERSITY AND CONSERVATION-Biodiversity And Conservation
  1. Which one of the following is an endangered plant species of India?

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  2. What is common to Lantana, Eichhornia and Africa catfish?

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  3. The extinction of passenger pigeon was due to

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  4. Which of the following statements is correct ?

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  5. Among the ecosystem mentioned below, where can one find maximum biodiv...

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  6. Which of the following forests is known as the 'lungs of the planet ea...

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  7. The active chemical drug reserpine is obtained from

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  8. Which of the following group exhibit more species diversity

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  9. Which of the below mentioned regions exhibit less seasonal variations ...

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  10. The historic convention on Biological Diversity held in Rio de Janeiro...

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  11. What is common to the techniques (i) in vitro fertilisation, (ii) Cryo...

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  12. What characteristics make a community stable ?

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  13. What could have triggered mass extinctions of species in the past ?

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  14. What accounts for the greater ecological diversity of India ?

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  15. According to David Tilman, greater the diversity, greater is the prime...

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  16. What does 'Red' indicate in the IUCN Red list (2004) ?

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  17. Explain as to how protection of biodiversity hot spots alone can reduc...

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  18. What is the difference between endemic and exotic species ?

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  19. How does species diversity differ from ecological diversity ?

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  20. Why is genetic variation important in the plant Rauwolfia vomitoria ?

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