Previous year MCQs

UPPSC 2019 GS-I Environment & Ecology
Question

The amount fo energy during transfer from one trophic level to another in an ecosystem:

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Decreases

Detailed Solution:

The correct answer is “Decreases”.

The amount of energy during transfer from one trophic level to another in an ecosystem decreases.

This is known as the 10% law, which states that only about 10% of the energy is passed on to the next trophic level, while the rest is lost primarily as heat.

Similar Questions:

With reference to Eutrophication, which of the following statement(s) is/are correct ?

1) It decreases dissolved oxygen of water.
2) It is a phenomenon of nutrient enrichment of a water body.

Select the correct answer from the codes given below.
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  2. B) 2 only
  3. C) Both 1 and 2
  4. D) Neither 1 nor 2
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Select the correct answer from the code given below :
Code:
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Select the correct answer from the codes given below:
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  2. B) (A) is false, but (R) is true
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