Understanding Plants Quiz - CBSE Class 7 Science

Free practice quiz: Understanding Plants (CBSE Class 7 Science). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What do plants primarily need for photosynthesis?

   1. Water
   2. Sunlight
   3. Carbon Dioxide
   4. All of the Above
   Show answer

   Answer: D. All of the Above

   For photosynthesis, plants require water, sunlight, and carbon dioxide to produce food and oxygen.

2. What process do plants use to make their own food?

   1. Respiration
   2. Photosynthesis
   3. Fermentation
   4. Digestion
   Show answer

   Answer: B. Photosynthesis

   Plants use photosynthesis to convert light energy into chemical energy, producing glucose and oxygen.

3. Which of the following is NOT a function of roots?

   1. Anchoring the plant
   2. Storing food
   3. Producing flowers
   4. Absorbing water
   Show answer

   Answer: C. Producing flowers

   Roots do not produce flowers; rather, they anchor the plant and absorb water and nutrients from the soil.

4. How do plants contribute to the carbon cycle?

   1. By consuming carbon dioxide
   2. By releasing oxygen
   3. Through photosynthesis
   4. All of the above
   Show answer

   Answer: D. All of the above

   Plants contribute to the carbon cycle by absorbing carbon dioxide, producing oxygen, and undergoing photosynthesis.

5. In which type of plants are seeds contained within a fruit?

   1. Non-flowering plants
   2. Flowering plants
   3. Aquatic plants
   4. Mosses
   Show answer

   Answer: B. Flowering plants

   Flowering plants produce seeds within fruits after the fertilization process, which aids in seed dispersal.

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