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