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प्रश्न
The chemical substance used to test the presence of starch in the cell of a leaf is ______.
पर्याय
CaCl2
iodine solution
Benedict solution
उत्तर
The chemical substance used to test the presence of starch in the cell of a leaf is iodine solution.
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संबंधित प्रश्न
Fill in the blank:
Land plants obtain their carbon dioxide from the ______.
Given below is a schematic diagram to illustrate some aspects of photosynthesis.
- Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items.
- What phenomenon do the thick arrows A and B indicate?
Given alongside is the diagram of an experimental set-up:
Will it work satisfactorily? Given reason.
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
Write a balanced chemical equation to represent the process of photosynthesis.
Chlorophyll is necessary for photosynthesis.
Name the following:
Light in which the maximum rate of photosynthesis takes place.
Give technical term:
Name the experiment to demonstrate the importance of light for photosynthesis.
Choose the Odd One Out
Name two plants having variegated 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 |
