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प्रश्न
Name the following:
The principal site in a green leaf for photosynthesis.
उत्तर
Chloroplast
APPEARS IN
संबंधित प्रश्न
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.
Differentiate Between:
Stroma of chloroplast and Grana of chloroplast
Differentiate Between:
Autotrophs and Heterotrophs.
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?
(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?
A well-watered healthy potted plant with variegated leaves was kept in darkness for about 24 hours. It was then set up as shown in the diagram and exposed to light for about 12 hours. At the end of this time, leaf X and leaf Y were tested for starch. Study the diagram and answer the questions that follow:
(i) Why was the plant initially kept in darkness for 24 hours?
(ii) What is the function of the sodium hydroxide solution in the flask?
(iii) Select the correct leaf from the five available choices shown in the diagram as A, B, C, D, and E. Rewrite the correct answer for the filling in the appropriate letter from the questions that follow:
1. After the starch test, leaf X would look like.
2. After the starch test, leaf Y would look like.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Out of nine types of chlorophyll, chlorophyll ‘a’ and ‘b’ are most abundant.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
CO2 is the life-supporting gas produced due to photosynthesis.
Chlorophyll is located in ______.
