Which of the following are recently extinct subspecies of tiger?

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.

The primary cause of biodiversity loss is .....

Which catfish species has become a significant threat to the indigenous catfish populations in Indian rivers?

Which one of the following is $NOT$ an example of extinction due to over-exploitation by humans?

Assertion: Tropical rain forests are disappearing fast from developing countries such as India.
Reason: No value is attached to these forests because these are poor in biodiversity.