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प्रश्न
Which tissues and cells are mainly concerned with photosynthesis?
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उत्तर
The tissues and cells which contain chloroplasts are mainly the palisade parenchyma and spongy mesophyll cells of a green leaf.
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संबंधित प्रश्न
Name the following:
The kind of plastids found in the mesophyll cells of the leaf.
Differentiate Between:
Autotrophs and Heterotrophs.
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:
PhotoLysis is the reaction which means the breaking up of water molecules.
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:
Photosynthesis occurs in all the cells of a plant.
Mention the significance of the following mineral:
Magnesium for green plants.
Draw a neat, labelled diagram of a chloroplast.
The colour of VIBGYOR spectrum, which is reflected by chlorophyll, is ______.
Define the following term:
Thylakoids
