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Sexual Reproduc...

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  • Question 1
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    Which of the following is not a method of removing sexual incompatibility?

  • Question 2
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    Which of the following occupies central position in flower

  • Question 3
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    Which of the following statements is/are false?

    a. A bithecous anther will have two microsporangia and a monothecous anther will have four microsporangia.  
    b. Androecium and gynoecium are the fertile appendages of a flower and are directly associated with sexual reproduction.
    c. After fertilisation, ovary develops into fruit and ovules into seeds.

  • Question 4
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    Which type of flower have ovary superior?

  • Question 5
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    The flower which do not open at all are called

  • Question 6
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    Filament is the long and slender stalk. Its proximal end is attached to the

  • Question 7
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    A flower is a modified shoot. Which of the following parts of a flower is made-up of one to many stamens?

  • Question 8
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    An embryo develops from diploid cell of nucellus or integument in

  • Question 9
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    Which of the following statements is/are false?

    a. The fusion of two male gametes with two different cells of different female gametophyte is called double fertilisation.
    b. Fertilisation is porogamous if the pollen tube enter the ovule through chalaza or integuments.
    c. Entry of pollen tube into style is facilitated by secretion of pectinases and hydrolytic enzymes.

  • Question 10
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    Match the following:

    a. Apogamy 1. It is the formation of an embryo sac directly from a nucellus cell or diploid megaspore mother cell. 
    b. Apospory 2. It is the formation of gametophyte directly from a sporophyte without the formation of spores. 
    c. Recurrent agamospermy 3. It is the formation of sporophyte directly from a gametophyte without the formation of gametes.

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