Q.1
Which of the following is a way in which energy is lost from animals in a food chain?
  • Movement such as flying or running
  • Inedible parts of the prey
  • Urine and feces
  • Photosynthesis
Q.2
Energy for all food chains comes from what source?
  • Sun
  • Moon
  • Producer
  • Consumer
Q.3
How is most energy in food chains lost?
  • Energy in food chains is mainly lost due to death and decay
  • Energy in food chains is mainly lost due to respiration and excretion
  • Energy in food chains is mainly lost due to reproduction and breathing
  • Energy in food chains is mainly lost due to reflection and transmission
Q.4
Which process in green plants traps sunlight energy?
  • Photosynthesis
  • Reproduction
  • Respiration
  • Excretion
Q.5
What happens to the biomass at each successive stage in a food chain?
  • It is increased
  • It remains the same
  • It is reduced
  • It is all lost
Q.6
Which type of organism is usually found at the top of a pyramid of biomass?
  • Herbivore
  • Predator
  • Producer
  • Primary consumer
Q.7
Which of the following statements about algae in a food chain is true?
  • Algae are always the primary consumer
  • Algae are always the secondary consumer
  • Algae are always the producer
  • Algae are always the predator
Q.8
Energy in which form is lost to the surroundings in a food chain?
  • Light
  • Dark
  • Heat
  • Water
Q.9
The producer is usually what type of organism?
  • A fungus
  • An animal
  • A plant
  • A bacterium
Q.10
Which of the following statements about energy is true?
  • Energy is only ever created
  • Energy is only ever destroyed
  • Energy is only ever converted
  • Energy is only ever killed
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