12th Class Biology Sexual Reproduction in Flowering Plant / फूलों के पौधों में यौन प्रजनन

  • question_answer 36)
      The phenomenon observed in some plants where in parts of the sexual apparatus is used for forming embryos without fertilization is called (a) parthenocarpy                                           (b) apomixes     (c) vegetative propagation                                          (d) sexual reproduction

    Answer:

                      (b)Apomixis is the phenomenon of formation ofseeds without fertilization. Theembryos are genetically identical to the parental plant. Other options are not correct because parthenocarpy and apomixes are different phenomenon, Parthenocarpy is the formation of fruits without fertilization and hence thefruits are seedless, e.g., banana. (i) Vegetative propagation or reproduction is a form of asexual reproduction inplants, in which new organisms arise without production of seeds or spores. (ii) Sexual reproduction involves formation of the male and female gametes, either bythe same individual or by different individuals of the opposite sex. These gametesfuse of form the zygote which develops to form the new organism.


You need to login to perform this action.
You will be redirected in 3 sec spinner