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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
Name the following:
The part of chloroplast where the dark reaction of photosynthesis takes place.
The figure below represents an experiment performed to demonstrate a particular aspect of photosynthesis. The apparatus was kept in sunlight for almost the whole day. The numeral ‘1’ represents a certain condition inside the flask and the numeral ‘2’ represents a chemical responsible for this condition.
(i) What is the object of the experiment?
(ii) What is the special condition inside the flask?
(iii) What is the chemical substance numbered ‘2’?
(iv) In what way will the three leaves (A, B, and C) differ at the end of the experiment, when tested with iodine solution?

Name the following:
The principal site in a green leaf for photosynthesis.
Give technical term:
Name the structure where photophosphorylation takes place.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Too much light destroys chlorophyll.
Mention the significance of the following mineral:
Magnesium for green plants.
Draw a neat, labelled diagram of a chloroplast.
The granum is a pile of many ______.
Write the exact location of chloroplasts in the parts of a plant.
Define the following term:
Thylakoids
