Q12 of 163 Page 240

Where does all the energy in living organisms originate from?

Sun is the major source of energy for all living organisms. Plants absorb sun’s energy to make food through photosynthesis. All the other components of a food chain obtain energy from plants


More from this chapter

All 163 →
10

If 5 joules of energy is available at producer level (plants), then how much energy will be transferred to the lion in the following food chain?

Plants Goat Lion

 11

State whether the following statement is true or false:

Only 10 per cent of the light energy given by the sun is available for transfer at each higher trophic level a food chain.

 13

Why are there rarely more than five links (or five organisms) in a food chain?

 14

Name two predators of snakes in a food web operating in a forest ecosystem.