EASY
12th West Bengal Board
IMPORTANT
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Ammensalism is an association between two species here
 

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Important Questions on Ecology Environment & Population

EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 17
A large regional unit characterised by a major vegetation type and associated fauna found in a specific climate zone constitutes
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 18
Cold-blooded animals fall under the category of
 
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 19
Which of the following would necessarily decrease the density of a population in a given habitat?
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 20
The animals that rely on the heat from environment than metabolism to raise their body temperature are in strict sense, called
 
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 21
Some organisms are tolerant to a narrow range of salinity
 
MEDIUM
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 22
The logistic growth of population is expressed by the equation
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 23
In a population, If natality is balanced by mortality then there will be
EASY
12th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 12>Chapter 13 - Ecology Environment & Population>EXERCISE>Q 1
The branch of science which reveals the interrelationship between vegetative and organic environment is called_____.