Consider the given facts with respect to biosphere reserves and find the correct one

a. 14 in India

b. Tribal settlements are allowed in core zone

c. Meant to conserve a specific animal species

d. High species diversity with high degree of habitat loss

1. Only (a)

2. Both (a) & (b)

3. Both (a) & (d)

4. All except (c)

Which of the following factor has not aided in high species diversity of tropics?

1. Less seasonal variation promoting niche specialization

2. Availability of more solar energy

3. Pest pressure

4. Less migration

The World summit on sustainable development held in ________ in _________. (Fill the gaps respectively by selecting the correct option).

1. 2002, Johannesburg, South Africa

2. 2002, Johannesburg, South America

3. 1992, Rio de Janeiro, Brazil

4. 2002, Rio de Janeiro, Brazil 

Exploration of molecular, genetic, and species level diversity for novel products of economic importance is known as:

1. Biopiracy

2. Bioenergetics

3. Bioremediation

4. Bioprospecting

Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?

Which of the following statement is/are correct?
a. As we move on Earth from low to high latitude, the
biodiversity increases.
b. In rivet popper hypothesis given by Paul Ehrlich,
rivets on the wings are considered as key species.
c. India possesses 8.1% species diversity of the world.

1. b and c only 
2. b only
3. All a, b and c 
4. a and c only

Which one of the following is not a broadly utilitarian aspect of biodiversity ?

1. Pollination

2. Climate moderation

3. Source of Oxygen

4. Source of medicine 

Communities with more species tend to be more stable than those with less species. This was confirmed by:-

1. Alexander von Humboldt

2. David Tilman

3. Paul Ehrlich

4. Edward Wilson

Many species like Steller's sea cow and passenger pigeon have been extinct. Which of the following describes this situation?

1. Overexploitation by humans

2. Pollution

3. Habitat loss

4. Competition from introduced species

Which of the following statements are true?

l. Species diversity provides stability to the ecosystem.

ll. Communities with more species tend to the more stable than those with less species.

lll. Ecosystems with higher biodiversity are more productive than ecosystems with lower biodiversity

lV. Biodiversity is not essential for the maintenance and health of ecosystems.

 Choose the correct option:-

1. l, ll and lll

2. l, ll and lV

3. ll, lll and lV

4. l, ll, lll and lV