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प्रश्न
उत्तर
Difference between chloroplast and chlorophyll:
| Chloroplast | Chlorophyll |
| (i) It is an organelle of the cell. | (i) It is the green pigment in chloroplast. |
| (ii) It is living. | (ii) It is non-living. |
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संबंधित प्रश्न
A healthy oat seeding in a pot is transferred from light to any airy but completely dark room. How would it differ from its original condition in appearance after about a week? Explain the difference.
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
Fill in the blank:
Land plants obtain their carbon dioxide from the ______.
Mention one difference between the following on the basis of what is given in bracket.
Chlorophyll and chloroplast (part of plant cell)
Given alongside is the diagram of an experimental set-up:
Will it work satisfactorily? Given reason.
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
Choose the correct answer:
Chlorophyll is present
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 |
Given below is the figure of an experimental set-up, showing a physiological act of the plants. Study and answer the following questions:
- What is the objective of this experiment?
- Name and define the process shown here.
- Why do we destarch the leaves before performing the experiment?
- How do we destarch the leaves?
- What will be the observation when we pour iodine solution over the bleached experimental leaf?
- Write a well-balanced equation for the above process.
Give reasons/explain:
During the starch test, the leaf is boiled in methylated spirit.
