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प्रश्न
Mention the significance of the following mineral:
Magnesium for green plants.
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उत्तर
For the synthesis of chlorophyll.
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संबंधित प्रश्न
Name the following:
The part of chloroplast where the dark reaction of photosynthesis takes place.
Stroma is ground substance in ______.
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 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?
Draw a neat and well-labeled diagram of the Chloroplast.
Complete the following sentence with appropriate word:
The conversion of the physical energy of light into chemical energy by the chloroplast is called ____________.
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Chlorophyll : Magnesium : : Haemoglobin : ______
Define the following term:
Chloroplast
Distinguish between the following pairs on the basis of the word indicated in the bracket ( ).
Stoma and Stroma (structure)
