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Saturday, 2 October 2021

MCQs - Sexual Reproduction in Flowering Plants l NEET l Biology l ABHYAS l NTA

 MCQs - Sexual Reproduction in Flowering Plants

1.        Which statement is not correct?

a.       The gynoecium represents the female reproductive part of the flower.

b.       The gynoecium may consist of a single pistil (monocarpellary) or more than one pistil (multicarpellary).

c.       When there are more than one, the pistils may be fused together (apocarpous) or may be free (syncarpous)

d.       The placenta is located inside the ovarian cavity

    2. Find correct statement

a.       Megasporangia are called ovules and arise from placenta

b.       Megasporangia are present inside the anther

c.       There are four mega sporangia in each anther

d.       Megasporangia are present in the embryosac

   3. The number of ovules in the ovary of Orchids and Paddy are respectively

a.       many and one

b.       many and two

c.       one and five

d.       one and many

  4. Ovule is attached  to the placenta by means of stalk called

a.       Hilum

b.       Funicle

c.       Raphe

d.       Micropyle

 5. The body of the ovule fuses with funicle in the region called

a.       Hilum

b.       Funicle

c.       Raphe

d.       Micropyle

6. Integuments encircle the ovule except at the tip where a small opening is organized. This opening is called the

a.       Raphe

b.       Chalaza

c.       Micropyle

d.       Hilum

7. Find the incorrect statement

a.        Enclosed within the integuments is a mass of cells called the nucellus

b.       Cells of the nucellus have no reserve food materials

c.       Located in the nucellus is the embryo sac or female gametophyte

d.       Embryo sac is also called female gametophyte

8. In Angiosperms an ovule generally has

a.       Two embyo sacs

b.       Many embryo sacs

c.       Single embryo sac

d.       No embyo sac

9. Ovule is  formed from a

a.       megaspore through reduction division

b.       microspore through reduction division

c.       megaspore through equational division

d.       microspore through equational division

10. Ovules generally differentiate

a.       a single megaspore mother cell (MMC) in the micropylar region of the nucellus

b.       four megaspore mother cells (MMC) in the micropylar region of the nucellus

c.       a single megaspore mother cell (MMC) in the chalazal region of the nucellus

d.       four megaspore mother cells (MMC) in the chalazal region of the nucellus

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