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  9. Q34

UPPSC PCS 2025 · Question 34 of 150

With reference to Ecosystem , which of the following statements is/are correct? Green plants in terrestrial ecosystem capture about 1% of energy of the sunlight that falls on their leaves. Around 10% of organic matter reaches the next higher level of consumers. Select the correct answer from the code given below: Code:

Science

  1. AOnly 1
  2. BNeither 1 nor 2
  3. COnly 2
  4. DBoth 1 and 2Correct

Answer: D. Both 1 and 2

Explanation

Statement 1 is correct: In a terrestrial ecosystem, green plants (producers) capture about 1% of the solar energy that falls on their leaves through photosynthesis . This captured energy is converted into chemical energy (biomass), which becomes the base of the food chain.

Source: selfstudywala.com UPPCS Prelims 2025 GS Paper 1 detailed solution (based on UPPCS official answer key)

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