What are the three levels of biodiversity?

Important Questions on Biodiversity and Its Conservation

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 13

Name the active chemical found in the medicinal plant Rauwolfia vomitoria. What type of diversity it belongs to?

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 14

''Amazon forest is considered to be the lungs of the planet” -Justify this statement.

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 15

‘Red data book’-What do you know about it?

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 16

Compare and contrast the insitu and exsitu conservation.

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 17

What are called endangered species? Explain with examples.

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 18

Why do we find a decrease in biodiversity distribution, if we move from the tropics towards the poles?

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 19

What are the factors that drive habitat loss?

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 11 - Biodiversity and Its Conservation>Evaluation>Q 20

Alien species invasion is a threat to endemic species — substantiate this statement.