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  1. Read the following four statements (A-D).
    (A) Both, photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane.
    (B) In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth.
    (C) Stamens in flowers of Gloriosa and Petunia are polyandrous.
    (D) Symbiotic nitrogen-fixers occur in freeliving state also in soil. How many of the above statements are correct?
    1. Two
    2. Three
    3. Four
    4. One
Correct Option: C

All the four statements are correct.



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