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प्रश्न
Define the following term:
Chloroplast
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उत्तर
Chloroplasts are indeed miniature ovoid structures that are encased in a double membrane. Nevertheless, the response could offer a more succinct definition: Chloroplasts are the cellular organelles that are responsible for the process of photosynthesis in plant cells. They are the sites where photosynthesis occurs and contain thylakoids.
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संबंधित प्रश्न
Chlorophyll in a leaf is required for
Most leaves have the upper surface more green and shiny than the lower one. Why?
(i) Identify the above diagram.
(ii) Label the guidelines 1-3.
(iii) Name the phenomenon which takes place in the above diagram.
(iv) Define the phenomenon.
(v) What is the importance of the above phenomenon?
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?
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 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 ______.
The basic functional unit of solar energy which is absorbed by the pigment chlorophyll is ______.
Write the exact location of chloroplasts in the parts of a plant.
