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Selina Solutions Class 9 Biology Solutions for Exercise in Chapter 5 - Pollination And Fertilization
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Complete the following statements: (i) Pollination is the process of transfer of _____________ (ii) The two kinds of pollination are ________ and __________ (iii) For self-pollination the flowers need not be ___________ and showy. (iv) For self-pollination, _______ and ________ must mature at the same time. (v) Self-pollination does not yield _________ varieties. (vi) In __________ pollination there is much wastage of ____________.
Answer:
(i) Pollen grains (ii) Cross-pollination and self-pollination (iii) Large (iv) Stamens, carpels (v) New (vi) Cross, pollen
Video transcript
"hello everyone welcome to lido this is
priya and here we have a question about
pollination let us look into the
question now
complete the following statements one
pollination is a process of transfer of
dash pollination means it's a transfer
of
pollen grains so what is pollination
it's a transfer of fallen grain
next the two kinds of pollination
are dash and dash
so the two kinds of pollination are one
is
self pollination
and the other one is cross
pollination so there are two types of
pollination
self pollination and cross pollination
and the third question for self
pollination
the flowers need not to be
dash and showy so for the self
pollination there is no need of
any carriers like
insects are those those are not needed
for pollination so the flowers
need not to be large and showy
and for self pollination dash
and dash must mature at the same time
so for self pollination the
flower has the two reproductive parts
which are stamen
and carpels so stamen and carpals have
must be matured at the same time
self-pollination does not yield
dash varieties so for this our answer is
new varieties cannot be yielded by the
self pollination because self
pollination is
within this plant itself the pollination
takes place
and we cannot expect a new variety of
plant or in the self foreign nation
and sixth one in dash pollination there
must
there is much much waste is of dash
so in cross pollination
in cross pollination there is much
wastage of
pollen grains because pollen greens has
to be
definitely has to fall on the stigma but
this will not
happens during the cross pollination so
the
plant the flower produces more pollen
greens
where the cross pollination takes place
because there will be a lot of
wastage in cross pollination hope you
understand
this video if you like my video please
subscribe to our leader channel and if
you have any doubts you can keep a
message in comment box
thank you"
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