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प्रश्न
Mention one difference between the following on the basis of what is given in bracket.
Chlorophyll and chloroplast (part of plant cell)
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उत्तर
|
Chlorophyll |
Chloroplast |
|
Chlorophyll is the green pigment present in cell organelles called chloroplasts. |
Chloroplasts are cell organelles, situated in the cytoplasm of plant cells. They are present mainly in the mesophyll cells and in the guard cells of stomata. |
संबंधित प्रश्न
An experiment was set up as shown in the figure given below . The twig in the diagram was intact on the plant and it was as such in sunlight for a few hours .
(i) What is the aim of the above experiment ?
(ii) Why was potassium hydroxide placed inside the conical flask ?
(iii) What test would you perform on the leaf inside the flask?
(iv) What is the expected result of the above test ?
(v) Is it necessary to similarly test on outer leaf also ? Giva a reason .
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
The chemical substance used to test the presence of starch in the cell of a leaf is ______.
Given alongside is the diagram of an experimental set-up:
Will it work satisfactorily? Given reason.
Chlorophyll is necessary for photosynthesis.
Chloroplasts are called energy converters.
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
Choose the Odd One Out
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 |
Give reasons/explain:
During the starch test, the leaf is boiled in methylated spirit.
