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Question
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
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Solution
The element is oxygen.
RELATED QUESTIONS
The chemical substance used to test the presence of starch in the cell of a leaf is ______.
Why is it not possible to demonstrate respiration in a green plant kept in sunlight?
All life owes its existence to chlorophyll. Give reason.
Give technical term:
Name the experiment to demonstrate the importance of light for photosynthesis.
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
Choose the Correct Answer:
The main difference between chlorophyll ‘a’ and ‘b’ is:
Which of the following is used to remove chlorophyll from the leaves?
Match the terms given in column A with column B:
| Column A | Column B | ||
| (a) | Chlorophyll | (i) | Removes/absorbs CO2 |
| (b) | Methylated spirit | (ii) | Tests presence of starch |
| (c) | Potassium hydroxide | (iii) | Traps solar energy |
| (d) | Iodine solution | (iv) | Produces oxygen |
| (e) | Water | (v) | Bleaches chlorophyll |
