HARD
12th CBSE
IMPORTANT
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Is an aquarium a complete ecosystem?

Important Questions on Ecosystem

MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 4
What could be the reason for the faster rate of decomposition in the tropics?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 5
Human activities interfere with carbon cycle. List any two such activities.
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 6
Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 7

Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do the microbes fulfil their energy requirements?

HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 8

Poaching of tiger is a burning issue in today's world. What implication would this activity have on the functioning of the ecosystem of which the tigers are an integral part?

HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 9
In relation to energy transfer in the ecosystem, explain the statement "10kg of deer's meat is equivalent to 10kg of lion's flesh".
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 10
Primary productivity varies from ecosystem to ecosystem. Explain.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 14 - Ecosystem>SHORT ANSWER TYPE QUESTIONS>Q 11

Sometimes due to biotic/abiotic factor the climax remain in a particular seral stage (pre climax) without reaching climax. Do you agree with this statement? If yes, give a suitable example.