MCQ
The anther contains:
- ASepals
- BOvules
- CCarpel
- DPollen grains
Explanation:
Explanation For Correct Option -
The stamen are male reproductive organs.
They contain anther which is the site of pollen development.
Inside anther male sporogenous cell differentiates and undergoes meiosis to produce microspores that develop into pollen grains.
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$(I)$ Majority of flowering plants use a range of animals as pollinating agents.
$(II)$ Among the animals, insects particularly flies are the dominant biotic pollinating agents.
$(III)$ Majority of insect pollinating flowers are small and less colorful.
$(IV)$ The body of the animal gets a coating of pollen grains, which are generally sticky in animal pollinated flowers.
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$I$ |
$II$ |
$III$ |
|
$(a)$ PCR |
$(i)$ Specific base sequence |
$p.$ Taq polymerase |
|
$(b)$ Downstream processing |
$(ii)$ Inheritable gene |
$q.$ Ampicillin resistant |
|
$(c)$ Restriction endonucleasel |
$(iii)$ Amplification of $DNA$ |
$r.$ E. coli |
|
|
$(iv)$ Product separation and modification |
$s.$ Quality control |