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Read the following four statements(A-D). (A) Both - photophosphorylationand oxidative phosphorylation involveuphill transport of protons across themembrane. (B) In dicot stems - a newcambium originates from cells ofpericycle at the time of secondarygrowth. (C) Stamens in flowers ofGloriosa and Petunia are polyandrous.(D) Symbiotic nitrogen-fixers occur infreeliving state also in soil. How many ofthe above statements are correct?[2012M]

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Read the following four statements(A-D). (A) Both - photophosphorylationand oxidative phosphorylation involveuphill transport of protons across themembrane. (B) In dicot stems - a newcambium originates from cells ofpericycle at the time of secondarygrowth. (C) Stamens in flowers ofGloriosa and Petunia are polyandrous.(D) Symbiotic nitrogen-fixers occur infreeliving state also in soil. How many ofthe above statements are correct?[2012M]






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