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Class 10ScienceWorld of LivingLife ProcessesExpertLevel 23
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On a hot dry day if a plant closes stomata what combined effect occurs on transpiration and photosynthesis?

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Answer and explanation

Correct answer: Both may decrease

Step 1: Closing stomata reduces water vapour loss. Step 2: This lowers transpiration. Step 3: Carbon dioxide entry also decreases so photosynthesis may reduce.

Related tags

StomataTranspirationPhotosynthesis

Frequently asked questions

What is the correct answer to this question?

Both may decrease

Why is this the correct answer?

Step 1: Closing stomata reduces water vapour loss. Step 2: This lowers transpiration. Step 3: Carbon dioxide entry also decreases so photosynthesis may reduce.

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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10 more MCQs
  1. 1What is the main meaning of life processes?
  2. 2What are organisms that make their own food called?
  3. 3What are organisms that depend on other organisms for food called?
  4. 4Which energy do green plants use in the process of making food?
  5. 5Which gas do plants mainly take in during photosynthesis?
  6. 6Which gas do plants release during photosynthesis?
  7. 7What is the green substance in leaves that helps capture light called?
  8. 8What are the tiny pores in leaves through which gases are exchanged called?
  9. 9Which cells control the opening and closing of stomata?
  10. 10Where does digestion of food normally begin in humans?
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