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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
Chlorophyll in a leaf is required for
Name the following:
The part of chloroplast where the dark reaction of photosynthesis takes place.
Most leaves have the upper surface more green and shiny than the lower one. Why?
Explain the term Carbon cycle.
Complete the following sentence with appropriate word:
Calvin cycle was proposed by __________.
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, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis occurs in all the cells of a plant.
Mention the significance of the following mineral:
Magnesium for green plants.
The colour of VIBGYOR spectrum, which is reflected by chlorophyll, is ______.
Define the following term:
Thylakoids
