MEDIUM
12th West Bengal Board
IMPORTANT
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Write about the importance of ecosystem.

Important Questions on Ecosystem

MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 13
What is nudation and invasion ?
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 14
Mention two differences between food chain and food web.
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 15
Define decomposition.
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 16
 What do you mean by grazing food chain and detritus food chain 
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 17
Write short notes on detritus.
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 18
 Draw a flow chart of Xerarch succession.
HARD
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 19
Mention the importance of ecosystem
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 1
 Discuss an ecosystem with special reference to its dynamic nature.