12th Class Biology Sexual Reproduction in Flowering Plant / फूलों के पौधों में यौन प्रजनन Question Bank Case Based - Sexual Reproduction in Flowering Plants

  • question_answer
    Study the given diagram of a mature embryo given below and answer the questions that follows
     
    (iv) Dicot embryo Consists of
     

    A) radicle and plumule

    B) radicle, plumule, cotyledons and sometimes endosperm

    C) radicle, plumule, cotyledons and tegmen

    D) radicle, plumulercotyledons, tegmen and testa

    Correct Answer: B

    Solution :

    [b] A typical dicotyledonous embryo consists of an embryonal axis and two cotyledons. The portion of embryonal axis above the level of cotyledons is the epicotyl which terminates with the plumule. The cylindrical portion below the level of cotyledons is hypocotyl that terminates at its lower end in the radicle. Reserved food material is stored in the form of endosperms sometimes. Thus, dicot embryo consists of radicle, plumule, cotyledons and sometimes endosperm.


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