The role of water in photosynthesis is not limited to water supply. What is one major result of its use?
Answer and explanation
Correct answer: Formation of oxygen
Water is a raw material in photosynthesis, not merely a transport medium. In the light-dependent reactions, water molecules undergo photolysis, producing electrons and hydrogen ions needed for energy conversion; oxygen is released as a by-product. Therefore option A is the major result associated with water use in photosynthesis. Urea, bile, and haemoglobin are products or substances of animal physiology and are not formed as the stated result of this plant process.
Frequently asked questions
What is the correct answer to this question?
Formation of oxygen
Why is this the correct answer?
Water is a raw material in photosynthesis, not merely a transport medium. In the light-dependent reactions, water molecules undergo photolysis, producing electrons and hydrogen ions needed for energy conversion; oxygen is released as a by-product. Therefore option A is the major result associated with water use in photosynthesis. Urea, bile, and haemoglobin are products or substances of animal physiology and are not formed as the stated result of this plant process.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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