1.
Pollination is best defined as
a)
Germination of pollen grains
b) Visiting
flowers by insects
c) Transfer
of pollen from anther to stigma
d) Growth of
pollen tube in ovule
2.
Pollinia are sac like structures
a) In which
anther lobes are present
b) Which are
present in megasporangia
c) in which
pollen grains are present in mass
d) which secrete yellow substance
called pollenkit material
3. Intine of
pollen grain composed of
a) Lipid and
protein
b) Cellulose
and pectin
c) pectin
and lignin
d) lignin
and cutin
4. The exine
of a pollen grain is made of
a) Pectin
and cellulose
b)sporopollenin
c) pollenkit
d) lignocellulose
5.
Pollination which occurs in closed flower is known as
a) Allogamy
b)
Cleistogamy
c) Protogyny
d) None of
the above
6.
Insect pollinated flowers usually possess
a) Dry
pollens with smooth surface
b) Sticky
pollens with rough surface
c) Large
quantities of pollen
d)
Brightly coloured pollens
7. Pollen
grains of flowers pollinated by insects or wind are not
a) Large and
showy
b) Rough and
sticky
c)
Smooth and dry
d) Rough and
dry
8. The
deposition of pollen on the stigma of another flower of the same plant is known
as
a)
Homogamy
b) Dichogamy
c)
Geitonogamy
d) Xenogamy
9. Self
pollination occurs between stamens and carpels of the
a) Same
flower
b) Different
flowers
c)
Same flower or the different flowers of the same plant
d)
Different flowers of the same plant
10. If a
pollen of a flower falls on the stigma of another flower belonging to the same
plant it is
a)
Genetically self pollination and ecologically cross pollination
b)
Ecologically cross pollination
c)
Genetically and ecologically cross pollination
d) None of
these
11. A
typical example of self pollination is
a) Wheat
b) Rice
c) Cotton
d) Maize
12.
Pollenkit is present in the pollen wall of
a)
Anemophilous flowers
b)Entomophilous
flowers
c)
Zoophilous flowers
d) Malacophilous
flowers
13. Wind
pollinated plants differ from insect pollinated plants in having
a) small
petals and sticky pollen
b) small
coloured petals and heavy pollen
c)
Coloured petal and large pollens
d) No petals
and light pollen
14.
Pollination by bats is called
a)
Ornithophily
b)
Entomophily
c)
Malacophily
d) Cheiropterophily
15.
Pollination is characteristic of
a)
Gymnosperms
b) Fungi
c)
Angiospems
d)
Pteridophytes
Answers:
|
1- c
|
2-c
|
3-a
|
4-b
|
5-b
|
|
6-b
|
7-a
|
8-c
|
9-c
|
10-d
|
|
11-d
|
12-b
|
13-d
|
14-d
|
15-c
|
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