(A) The statement in option $A$ is incorrect because the $Exine$ (outer wall),not the $Intine$ (inner wall),exhibits a fascinating array of patterns a

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Intine is the inner wall of pollen grain and exhibits a fascinating array of patterns and designs.

(A) The statement in option $A$ is incorrect because the $Exine$ (outer wall),not the $Intine$ (inner wall),exhibits a fascinating array of patterns and designs.$Intine$ is a thin,continuous layer made of cellulose and pectin.$Exine$ is made of sporopollenin and is responsible for the patterns.Options $B$,$C$,and $D$ are scientifically correct statements regarding pollen grain structure,allergy,and viability respectively.

Class 12 Biology Sexual Reproduction in Flowering Plants Mix Examples-Sexual Reproduction in Flowering Plants

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Which statement is incorrect?

A
Intine is the inner wall of pollen grain and exhibits a fascinating array of patterns and designs.
B
The mature pollen grain has two cells: the bigger is the vegetative cell and the smaller is the generative cell,which floats in the cytoplasm of the vegetative cell.
C
Carrot grass pollen causes pollen allergy.
D
Pollen grains of pea and rose maintain viability for months.