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India Post Postman Plant Physiology — practice questions

Explore 1 free Plant Physiology questions in India Post Postman Science. Open each question or exercise to read its content, reference answers and available explanation.

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Plant Physiology questions and exercises with answers

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In which of the following processes is oxygen released into the air?Read the answer and worked solution →

Worked practice questions

In which of the following processes is oxygen released into the air?

  1. Photosynthesis
  2. Respiration
  3. Transpiration
  4. Excretion
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Correct answer: A. Photosynthesis

1. Photosynthesis uses carbon dioxide and water in the presence of light. 2. It produces glucose and releases oxygen as a by-product. 3. So oxygen is released into the air during photosynthesis. _Source: RRB Group D CEN-02/2018 PYQ, Q.31._

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