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    3.

    Parthenocarpic tomato fruits can be produced by

    A

    Removing androecium of flowers before pollen grains are released

    B

    Treating the plants with low concentrations of gibberellic acid and auxins

    C

    Raising the plants from vernalised seeds

    D

    Treating the plants with phenylmercuric acetate

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    10.

    Wearing isolated a dormancy inducing substance from the leaves of a plant. From which type of gynoecium does the fruit of that plant develop?

    A

    Bicarpellary, syncarpous gynoecium with inferior ovary

    B

    Bicarpellary, syncarpous gynoecium with superior ovary

    C

    Tricarpellary, syncarpous gynoecium with superior ovary

    D

    Monocarpellary gynoecium with half inferior ovary

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