Advertisements
Advertisements
प्रश्न
The extinction of passenger pigeon was due to ______.
विकल्प
Increased number of predatory birds.
Over exploitation by humans
Non- availability of the food
Bird flu virus infection
Advertisements
उत्तर
The extinction of passenger pigeon was due to over exploitation by humans.
APPEARS IN
संबंधित प्रश्न
Dodo bird, stellar sea cow and passenger pigeon are few examples of extinction due to ______.
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
'The Evil Quartet' is a concept which describes the ______.
What do you understand by ‘exotic species’?
Which of these is NOT amongst the effects of loss of biodiversity?
IUCN means
Match the animals given in column I with their location in column II:
| Column I | Column II |
| A. Dodo | i. Africa |
| B. Quagga | ii. Russia |
| C. Thylacine | iii. Mauritius |
| D. Stellar's sea cow | iv. Australia |
Choose the correct match from the following:
What criteria should one use in categorizing a species as threatened?
Explain the concept of "co-extinction" by taking two examples.
Though the conflict between humans and wildlife started with the evolution of man, the intensity of conflict has increased due to the activities of modern man. Justify your answer with suitable examples.
How many Biodiversity hotspots have been identified around the world?
Enlist two criteria that are used to identify a region for maximum protection as 'Biodiversity hotspots'.
"Forests provide intangible benefits to us." Explain by taking three different areas, how.
Which of the following suits hotspots in ecological terminology?
Consider the following statements:
- Statement I: Endemism and accelerated habitat loss are characteristics of biodiversity hotspots.
- Statement II: Gene bank is an in-situ method of biodiversity conservation.
Choose the correct answer from the options given below.
Red Data Book is maintained by ______.
Which of the following regions of the globe exhibits highest species diversity?
Which of the following species pairs are examples of 'Extinct in the Wild' (EW) category?
In the IUCN Red List, which category represents species that are 'likely to become threatened soon'?
