Question 4 - Past Year - 3 Mark Questions - Chapter 15 Class 10 - Our Environment

Last updated at Dec. 13, 2024 by

The flow of energy between various components of the environment has been extensively studied. Give an outline of the findings.

 

Answer:

  • The flow of energy is unidirectional.
  • Terrestrial plants take about 1% of the sun’s energy and convert it to chemical energy.
  • A great amount of energy is lost as heat.
  • A great amount of energy is used for digestion, growth and reproduction.
  • Food chains mostly consist of 3 to 4 trophic levels.
  • Due to the 10% law, the amount of energy available will not be sufficient for the survival of the organism in the 5 th trophic level.
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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo