What is co-extinction? Explain with a suitable example.

Important Questions on Biodiversity and Conservation

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 15 - Biodiversity and Conservation>LONG ANSWER QUESTIONS>Q 1

Elaborate how invasion by an alien species reduces the species diversity of an area.

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 15 - Biodiversity and Conservation>LONG ANSWER QUESTIONS>Q 2

How can you, as an individual, prevent the loss of biodiversity?

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 15 - Biodiversity and Conservation>LONG ANSWER QUESTIONS>Q 3

Can you think of a scientific explanation, besides analogy used by Paul Ehrlich, for the direct relationship between diversity and stability of an ecosystem?

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 15 - Biodiversity and Conservation>LONG ANSWER QUESTIONS>Q 4

Though the conflict between humans and wildlife started with the evolution of man, the intensity of the conflict has increased due to the activities of modern man. Justify your answer with suitable examples.

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 15 - Biodiversity and Conservation>LONG ANSWER QUESTIONS>Q 5

What is an ecosystem service? List any four important ecosystem services provided by the natural ecosystems. Are you in favour or against levying a charge on the service provided by the ecosystem?

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 15 - Biodiversity and Conservation>LONG ANSWER QUESTIONS>Q 6

Describe the consumptive use value of biodiversity as food, drugs and medicines, fuel and fibre with suitable examples.

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 15 - Biodiversity and Conservation>LONG ANSWER QUESTIONS>Q 7

Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons?

HARD

12th CBSE