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प्रश्न
The figure given below represents an experiment to demonstrate a particular aspect of photosynthesis. The alphabet ‘A’ represents a certain condition inside the flask.
(i) What is the aim of the experiment?
(ii) Identify the special condition inside the flask.
(iii) Name an alternative chemical that can be used instead of KOH.
(iv) In what manner do the leaves 1 and 2 differ at the end of the starch test?
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उत्तर
(i) To prove that CO2 is necessary for photosynthesis.
(ii) No CO2 in the flask.
(iii) CaO (limestone), potassium pyrogollate.
(iv) Leaf 1, no change in colour with a starch list.
Leaf 2, will turn blue-black at the end of starch test.
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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.
Choose the correct answer:
A cell that lacks chloroplast does not ______________
Chlorophyll in a leaf is required for
Identify the false statement and rewrite it correctly by changing the first or last word only.
Photosynthesis occurs only in cells containing chloroplasts.
Stroma is ground substance in ______.
Differentiate Between:
Stroma of chloroplast and Grana of chloroplast
Name the following:
The principal site in a green leaf for photosynthesis.
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.
The granum is a pile of many ______.
Define the following term:
Chloroplast
