Prove that Chlorophyll is Essential for Photosynthesis

Chlorophyll is Essential for Photosynthesis


  1. i) De-starch a leaf of potted plant by wrapping it in aluminum foil.


  1. ii) Remove the leaf from plant.


iii) Its outline is carefully drawn to note the position of chlorophyll.


  1. iv) Now apply iodine to leaf to test the presence of starch.


  1. v) We observe that parts with iodine turn blue while white part turn brown.


  1. vi) This result shows that starch is formed in only those parts where chlorophyll exists.


vii) If photosynthesis is possible without chlorophyll than white part should also turn blue.


Note: What are the main problems of the correspondence department? The main disadvantage of “short” is the large time gap in training. Although, on the other hand, it provides more opportunities for self-study. You can get knowledge while sitting at a lecture, or you can – reading the literature yourself. Here everything depends only on the student himself, on his desire and on his motivation. At the same time, the correspondence department does not grant a postponement from the army, in contrast to full-time. If you try to work part-time, studying on a point, sooner or later you will have to choose between work and study. It’s much easier to enroll in correspondence courses, because as a passing ball in any university, there is always less on the part-time form of training. But employers, again, sometimes give preference to full-time students. consider them more qualified specialists. Here, however, everything is individual. So, it remains to choose only you, what kind of training you give your preference. Either way, after graduation you will receive the same state diploma.

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