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Sexual Reproduction In Flowering Plants

Question

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An irregular mode of reproduction resulting in the development of an embryo without fertilization is called
(I) parthenogenesis
(II) apogamy
(III) sporophytic budding
Select the correct answer using the code given below.

Only I

Only II

II and III

I, II and III

Solution

D.

I, II and III

In parthenogenesis formation of fruit occurs without fertilisation In apogamy haploid (n) vegetative cell forms embryo without gametogenesis and fertilisation, In sporophytic budding diploid (2n) vegetative cell forms embryo from bud by vegetative reproduction Thus, all of these processes are irregular modes of reproduction.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

Simultaneous meiotic division of microspore mother cells leads to :

The fertilization occurs in the :

The female gametophyte of a typical dicot at the time of fertilization is:

Development of embryo from any cell of nucellus is called :

Parthenocarpic fruit is :

The entry of pollen tube into embryo sac through the integuments is termed as :

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

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