Question 5 — X is broken down - Questions at the end of the chapter - Chapter 10 Class 7 - Life Processes in Plants (Curiosity)

Last updated at June 19, 2026 by

Q 5
Question

X is broken down using Y to release carbon dioxide, Z, and energy.

X + Y → Carbon dioxide + Z + Energy

X, Y, and Z are three different components of the process. What do X, Y, and Z stand for?

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Answer
X is glucose, Y is oxygen, and Z is water.

Explanation

  • This is the word equation for respiration.
  • Glucose is broken down, so X is glucose.
  • Oxygen is used to break it, so Y is oxygen.
  • The products are carbon dioxide, water, and energy, so Z is water.
In respiration, glucose and oxygen give carbon dioxide, water, and energy.
← Back to concept: 10.4 Do Plants Respire?
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