Interdependence of Living Beings Quiz - ICSE Class 5 Science

Free practice quiz: Interdependence of Living Beings (ICSE Class 5 Science). 47 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which of the following is an example of a producer in an ecosystem?

   1. Lion
   2. Grass
   3. Deer
   4. Fungi
   Show answer

   Answer: B. Grass

   Producers are organisms that create their own food, usually through photosynthesis. Grass is a plant and fits this definition. Lions are carnivores (consumers), deer are herbivores (consumers), and fungi are decomposers (consumers).

2. If the population of rabbits in a grassland increases significantly, what is a likely consequence for the grass population?

   1. The grass population will likely increase.
   2. The grass population will likely decrease.
   3. The grass population will remain unaffected.
   4. The grass will evolve to become less nutritious.
   Show answer

   Answer: B. The grass population will likely decrease.

   Rabbits are herbivores and feed on grass. An increase in the rabbit population means more grass will be consumed, leading to a potential decrease in the grass population.

3. What is the term for all the living organisms (plants, animals, fungi, bacteria) in a particular area?

   1. Habitat
   2. Ecosystem
   3. Community
   4. Biotic factors
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   Answer: C. Community

   A community refers to all the different populations of species that live and interact in a particular area. Habitat is the place where an organism lives. An ecosystem includes both biotic (living) and abiotic (non-living) factors.

4. Which of the following interactions benefits both organisms involved?

   1. A lion hunting a zebra
   2. A tapeworm in a human's intestine
   3. A bee pollinating a flower
   4. A hawk catching a mouse
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   Answer: C. A bee pollinating a flower

   A bee pollinating a flower is an example of mutualism. The bee gets nectar and pollen for food, and the flower gets pollinated, allowing it to reproduce. The other options are predation (lion/zebra, hawk/mouse) or parasitism (tapeworm/human).

5. What is the interaction between two species when they both consume the same limited food source?

   1. Mutualism
   2. Commensalism
   3. Competition
   4. Predation
   Show answer

   Answer: C. Competition

   When two species need the same resource, they compete for it, which can affect their populations and survival rates.

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