Which of the following pairs of organisms represents alien species in India?

If the high-altitude birds become rare or extinct,the plants which may disappear along with them are

Extinction of more than $200$ species of cichlid fish in Lake Victoria was due to the introduction of:

Most of the endangered species are the victims of

If birds at high altitudes are rarely seen or become extinct,which of the following plants associated with them will also become extinct?

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.