Aaradhna went on a trip organised by her school to the botanical gardens in Lucknow. She was very excited to use the knowledge she had learned in her class to relate it with the flora and fauna in the gardens. When Aaradhna was looking at all different kind of plants, she spotted some leaves with yellowish colour. She had studied that leaves were green in colour so she was confused. Aaradhna took one piece of that leaf to her school laboratory, boiled it and then mounted it on a slide to observe under microscope. She then poured a strong sugar solution over it and observed the slide through the microscope.
2.1 Which pigment gives green colour to the leaves?
2.2 What is the function of the above mentioned pigment?
2.3 What did Aaradhna observe when she poured sugar solution over the slide?
2.4 Define plasmolysis.
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Answer:
2.1) chlorophyll
2.2) to make food
Explanation:
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Answer:
2.1) Chlorophyll gives Green colour to the leaves.
2.2) Function of chlorophyll is trap sunlight energy and convert it into chemical energy to carry out the process of Photosynthesis.
2.3) No change will take place as all the pigments present in it will leach out of the cell during boiling.
2.4) Plasmolysis is the process of shrinkage or contraction of the protoplasm of a plant cell as a result of loss of water from the cell.
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