Q27 / 180 · AIIMS 2005 · Botany

Given below is one of the types of ecological pyramids. This type represents Figure

  • A
    pyramid of numbers in a grassland
  • B
    pyramid of biomass in a fallow land
  • Correct answer
    C
    pyramid of biomass in a lake
  • D
    energy pyramid in a spring.

Solution

Pyramid of energy is always upright as only $10 \%$ energy is transferred from one trophic level to another. Pyramid of number in a grassland is also upright as the producers are always maximum in number than herbivores and carnivores. Pyramid of biomass in a lake shows spindle shaped pyramid.

Hence, the correct answer is option: 'C'.

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