Which one of the following is not a major characteristic feature of biodiversity hotspots?
1. A large number of species
2. Abundance of endemic species
3. Mostly located in the tropics
4. Mostly located in the polar regions

What is common to the following plants: Nepenthes, Psilotum, Rauwolfia, and Aconitum?
1. All are ornamental plants
2. All are phylogenic link species
3. All are prone to over-exploitation
4. All are exclusively present in the Eastern Himalayas

The one-horned rhinoceros is specific to which of the following sanctuary?

Amongst the animal groups given below, which one appears to be more vulnerable to extinction?

Which one of the following is an endangered plant species in India?

The extinction of passenger pigeons was due to:
1. Increased number of predatory birds
2. Over-exploitation by humans
3. Non-availability of the food.
4. Bird flu virus infection

Which of the following statements is correct?
1. Parthenium is an endemic species of our country.
2. African catfish is not a threat to indigenous catfishes.
3. Steller’s sea cow is an extinct animal
4. Lantana is popularly known as carrot grass.

Among the ecosystem mentioned below, where can one find maximum biodiversity?

The active chemical drug reserpine is obtained from:

Which of the following group exhibit more species diversity?