The energy obtained from fossil fuels is essentially a product of which of the following?

  • A
    Energy released from the combustion of fuel
  • B
    Photosynthetic product
  • C
    Decomposition of inorganic elements in dead organisms
  • D
    Inorganic compounds derived from organic compounds formed by photosynthesis

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Similar Questions

Match the following Column-$I$ with Column-$II$:
Column-$I$Column-$II$
$(i)$ Sedimentary cycle$(P)$ Primary consumer
$(ii)$ Gaseous cycle$(Q)$ Carbon
$(iii)$ Herbivore$(R)$ Tertiary consumer
$(iv)$ Top carnivore$(S)$ Sulphur

Identify the mismatched pair from the given options.

Identify the group of herbivores from the following that are included as primary consumers in an ecosystem.

The changes that occur in successive seral stages to reach a climax community are:
$I.$ Changes in the diversity of species of organisms.
$II.$ Increase in the number of species and organisms.
$III.$ Increase in the total biomass.
Choose the correct option.

Which of the following cannot be included in a sedimentary cycle?

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