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प्रश्न
(i) Identify the above diagram.
(ii) Label the guidelines 1-3.
(iii) Name the phenomenon which takes place in the above diagram.
(iv) Define the phenomenon.
(v) What is the importance of the above phenomenon?
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उत्तर
(i) Chloroplast.
(ii) 1. Granum
2. Stroma.
3. Thylakoids.
(iii) Photosynthesis.
(iv) Photosynthesis is the process by which living plant cells, containing chlorophyll, produce food substances (glucose and starch), from carbon dioxide and water, by using light energy. Plants release oxygen as a waste product during photosynthesis.
(v) Photosynthesis is the source of energy food and oxygen.
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संबंधित प्रश्न
A potted plant with variegated leaves was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours and then placed in bright sunlight for a few hours. Observe the diagrams and answer the questions:
- What aspect of photosynthesis is being tested in the above diagram?
- Represent the process of photosynthesis in the form of a balanced equation.
- Why was the plant kept in the dark before beginning the experiment?
- What will be the result of the starch test performed on Leaf ‘A’ shown in the diagram? Give an example of a plant with variegated leaves
- Draw a neat labelled diagram of a chloroplast.
Fill in the blank:
Quantasome is the basic unit of ______.
Choose the correct answer:
Which one of the following features of plant leaves plays an important part in photosynthesis?
(i) Draw a neat and well-labelled diagram of the Chloroplast.
(ii) List the events taking place in the photo-chemical phase of Photosynthesis.
(iii) If you are planning an experiment to show the effect of light on photosynthesis :
(a) Will you select white light or green light? Justify your answer.
(b) Why would you select a destarched plant?
Explain the term Carbon cycle.
Name the following:
The principal site in a green leaf for photosynthesis.
Complete the following sentence with appropriate word:
The conversion of the physical energy of light into chemical energy by the chloroplast is called ____________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The unit of light absorbed by the chlorophyll during photosynthesis is the proton.
Mention the significance of the following mineral:
Magnesium for green plants.
Chlorophyll is located in ______.
