EASY
12th West Bengal Board
IMPORTANT
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 Lichen is the pioneer vegetation on which type of ecological succession ?
 

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Important Questions on Ecosystem

EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 39
Sand ecological succession is called
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 40
 Which one shows one-way passage in an ecosystem?
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 41
Pyramid of numbers is always...
 
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 42
In the phosphorus cycle, weathering helps phosphate available first to
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 43
In a biogeochemical cycle of which of the following element has shown atmospheric phase.
 
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 44
 Formation of the bare area due to several reasons like a flood, forest fire, volcanic eruption, etc, called…
 
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 45
The free floating plant specimens are called...
 
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 14 - Ecosystem>EXERCISE>Q 46
The biotic part of ecosystem posses ...