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प्रश्न
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
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उत्तर
- Photosynthesis requires chlorophyll.
- To make sure there was no starch on the leaves, the plant was maintained in the dark.
- Leaf A's green portion turns blue-black and its pale yellow portion turns brown following the starch test. using the solution of iodine.
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संबंधित प्रश्न
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Draw a neat, labelled diagram of an experimental steup to show that oxygen is released during photosynthesis
Choose the correct answer:
Which one of the following is the best reason for leaving a plant in a dark place before carrying out experiments on photosynthesis?
Which one chemical reaction occurs during photosynthesis?
Name the following:
The first form of food substance produced during photosynthesis.
Name the molecules which are called assimilatory power? Why are they called so?
What is the law of limiting factors?
Complete the following sentence with appropriate word:
A dark reaction is a __________ reaction.
Choose the correct option.
The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
When iodine solution is added for testing starch, part of the leaf with ______ turns a blue-black color.
Label the diagram with the raw materials and products of photosynthesis.
