Ecosystem
Mizoram Board · Class 12 · Biology
Practice quiz for Ecosystem — Mizoram Board Class 12 Biology. MCQs and questions with answers to test your preparation.
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What is an ecosystem?
What does NPP stand for in ecosystem studies?
The vertical distribution of different species in an ecosystem is called:
Which organisms are called primary consumers?
Sample Questions
Which of the following are examples of terrestrial ecosystems?
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Forest, Grassland, Desert
Terrestrial ecosystems are land-based ecosystems. Forest, grassland, and desert are examples of terrestrial ecosystems, while pond and lake are aquatic ecosystems.
Which of the following processes are involved in decomposition?
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Fragmentation, Leaching, Catabolism
Decomposition involves fragmentation (breaking into smaller pieces), leaching (water-soluble nutrients going into soil), and catabolism (breakdown by enzymes). It also includes humification and mineralisation.
The 10% rule in energy transfer means:
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Only 10% of energy is transferred from one trophic level to the next
The 10% rule states that when energy flows from one trophic level to the next, only about 10% of the energy is transferred. The remaining 90% is lost as heat, used in metabolism, or remains unconsumed.
What is the raw material for decomposition called?
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Detritus
Detritus consists of dead plant remains (leaves, bark, flowers) and dead animal remains including fecal matter. This forms the raw material that decomposers break down during decomposition.
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