12th Class Biology Sample Paper Biology - Sample Paper-10

  • question_answer
    Gregor Johann Mendel demonstrated the mechanism of transmission of characters from one generation to other. He used pea plants for his experiments. What were the advantages of selecting pea plants for the same?

    Answer:

    The advantages of selecting pea plant are
    (i) Pure varieties of pea plant were available.
    (ii) Pea plants showed a number of easily detectable contrasting characters.
    (iii) The flower structure of pea is such so as to allow controlled breeding. Though plant is self - pollinated, but it can be cross breed manually also.
    (iv) Pea flower normally remains closed and undergoes self - pollination.
    (v) It is an annual plant with short lifespan and gives result within three months.
    (vi) A large number of seeds are produced per plant.


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