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Similar Questions

Examine the figure given below and select the right option identifying all the four parts $a, b, c$ and $d$.

Assertion $A$: Pollen grains are found in the form of fossils.
Reason $R$: Sporopollenin is seen in its outer layer.

Which plant part is most suitable for the study of meiosis?

What is the ploidy of the cells of a microspore tetrad (in $n$)?

How many layers is the pollen grain wall composed of?

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