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Life Processes

Science · CBSE Class 10 · English Medium · 20 questions and answers

Sample questions

Q: What are life processes?

A: The basic functions performed by living organisms to maintain life, such as nutrition, respiration, transportation and excretion.

Q: What is nutrition?

A: The process of taking in food and using it for energy, growth and repair of the body.

Q: Name the two main modes of nutrition.

A: Autotrophic nutrition and heterotrophic nutrition.

Q: What is autotrophic nutrition?

A: A mode of nutrition in which organisms make their own food from simple substances, e.g. photosynthesis in green plants.

Q: Write the overall equation of photosynthesis.

A: 6CO₂ + 6H₂O → (in presence of sunlight and chlorophyll) C₆H₁₂O₆ + 6O₂.

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