If two similar potted plants A & B are taken such that:
Plant A is kept in the dark or a black box for 72 hours (3 days),
Plant B is kept in sunlight.
Iodine test is conducted with the leaves of both plants
Which plant leaf tests positive for the test and Why?
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Answer:
Plant B will Test Positive For Idoine
Explanation:
The reason for this will be that Plant A does not receive Chlorophyll (C₅₅H₇₂O₅N₄Mg). Hence will not test positive for iodine. But Plant B shall receive iodine positive because Chlorophyll (C₅₅H₇₂O₅N₄Mg)is present in it.
C₅₅H₇₂O₅N₄Mg- I snot required For Grades 7 and 8
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