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STD 12 - 12. ecosystem — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 12. ecosystem1 Mark
MCQ
Given below is the diagram of the ecological pyramids

This type represents

  • A
    Pyramid of number in a grassland
  • B
    Pyramid of biomass in a lake
  • C
    Pyramid of biomass in a land
  • ✓
    Pyramid of energy
✓

Answer

Correct option: D.
Pyramid of energy
d
The pyramid of energy is always upright because energy is always loss as heat at each step. It represents the total amount of energy utilised by different trophic level organisms in unit area over a period of time

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