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प्रश्न
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?
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उत्तर
(i) The object of this experiment is to show that CO2 is necessary for photosynthesis.
(ii) The special condition inside the flask is that there is no CO2 in the air as it has been absorbed by the KOH.
(iii) KOH or NaOH pellets.
(iv) Leaf A will be yellowish-white. Leaf B and Leaf C will turn blue-black.
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संबंधित प्रश्न
Fill in the blank:
Quantasome is the basic unit of ______.
Chlorophyll in a leaf is required for
Which tissues and cells are mainly concerned with photosynthesis?
Differentiate Between:
Stroma of chloroplast and Grana of chloroplast
(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.
Complete the following sentence with appropriate word:
The conversion of the physical energy of light into chemical energy by the chloroplast is called ____________.
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:
The unit of light absorbed by the chlorophyll during photosynthesis is the proton.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
All the starch produced in a leaf remains stored in it for 2-3 weeks before it is used by other parts of a plant.
