Question

a var legated leaf with green and yellow patches is used for exp. to prove chlorophyll is necessary for
photosynthesis before exp. green portions A. pale yellow portion obeserved what will colour ofA.just before and after starch test mark as validate from which molecule by product is obtained

Answer 1

before starch test -- pale yellow
after starch test -- blue black
o2 is obtained by splitting of water (h2o) in hydrogen(used in glucose)
and oxygen ( by product)