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Olympiad (Class 5) Science — practice by topic

Browse 474 questions across 8 Science topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Science topics

Earth and universe (68)Force and energy (66)Human body and health (64)Plants (62)Pollution and Calamities (57)Animals (56)Natural resources and Indian heritage (56)Matter (45)

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Why must a cow, unlike a grass plant, search for food?Read the answer and worked solution →Which of these living things also cannot make its own food, like animals?Read the answer and worked solution →In a food chain, a goat eating grass is called a:Read the answer and worked solution →An animal that eats both plants and other animals is called a(n):Read the answer and worked solution →

Worked practice questions

Why must a cow, unlike a grass plant, search for food?

  1. It cannot breathe in air
  2. It has no need of energy
  3. It cannot make its own food
  4. It grows only in soil
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Correct answer: C. It cannot make its own food

A cow has no way to build food from sunlight, so it has to eat plants.

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Which of these living things also cannot make its own food, like animals?

  1. Algae
  2. Ferns
  3. Mosses
  4. Fungi
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Correct answer: D. Fungi

Fungi take in food made by others, just as animals do, while algae, ferns and mosses make their own.

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In a food chain, a goat eating grass is called a:

  1. Fungal decomposer
  2. Apex predator
  3. Primary consumer
  4. Food producer
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Correct answer: C. Primary consumer

Herbivores eat the plant material directly, which makes them the first consumers in the chain.

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How to practise

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