Home
Class 12
BIOLOGY
Dodo became extinct due to :...

Dodo became extinct due to :

A

Global environmental change

B

over exploitation of resources

C

Invansion of non-native species

D

Pollution

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • APPLICATION OF BIOTECHNOLOGY IN HEALTH AND AGRICULTURE

    MODERN PUBLICATION|Exercise EXERCISE|92 Videos
  • BOTFORTIFICATION

    MODERN PUBLICATION|Exercise EXERCISE|2 Videos

Similar Questions

Explore conceptually related problems

Dodo, passenger pigeon and Steller's sea cow became extinct in the last 500 years due to (a) Habitat destruction (b) Over-exploitation (c) Bird-flu virus infection (d) Pollution

The wild animal that became extinct in recent past

Select the correct term for the following definitions (I,ii,iii,iv). (i) The taxon is liable to become extinct if not allowed to realise its full biotic potential by providing protection from exotic species/human exploitation/habitat deterioration/depletion of food. (ii) The taxon has been completely eliminated or died out from earth. e.g Dodo (iii) The taxon is facing a high risk of extinction in the wild in the near future due to decreasein its habitat, excessive predation or poaching. (iv) They are species with naturally small populations, either localised or thinly scattered, which are always at risk from pests/pathogens/predators/exotic species.

Assertion : Over-exploitation of a species reduces the size of its population eventually leading to its extinction. Reason : Steller's sea cow is a large, herbivorous, terrestrial mammal which is on the verge of extinction due to over exploitation. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

Resonance is due to :

When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. This phenomenon is referred to as (a) fragmentation (b) alien species invasion (c) over-exploitation (d) co-extinction

Assertion : Critically endangered category includes the species which have sufficient populationa at present but is undergoing depletion due to some factors. Reason : Vulnerable category includes the species which are facing very high risk of extinction in the wild an can become extinct any moment. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

How many species are documented to be extinct in last 500 years by IUCN Red List, 2004?

Which of the following has undergone recent extinctions ?