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Class 10ScienceWorld of LivingLife ProcessesExpertLevel 24
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If a leaf receives light but carbon dioxide is removed from its surroundings, what will be the result of the starch test?

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Answer and explanation

Correct answer: Blue-black color will not appear

Step 1: Carbon dioxide is a raw material for photosynthesis. Step 2: Without carbon dioxide, glucose and starch will not form. Step 3: Therefore, iodine will not give a blue-black color.

Related tags

PhotosynthesisCarbon-DioxideStarch-TestExperiment

Frequently asked questions

What is the correct answer to this question?

Blue-black color will not appear

Why is this the correct answer?

Step 1: Carbon dioxide is a raw material for photosynthesis. Step 2: Without carbon dioxide, glucose and starch will not form. Step 3: Therefore, iodine will not give a blue-black color.

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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