Which one of the following statements is not | vedclass

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(C) : The statement that "Tapetum helps in the dehiscence of anther" is incorrect.$1$. Tapetum is the innermost layer of the microsporangium wall, whi

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Tapetum helps in the dehiscence of anther.

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(C) : The statement that "Tapetum helps in the dehiscence of anther" is incorrect.$1$. Tapetum is the innermost layer of the microsporangium wall, which provides nourishment to the developing pollen grains.$2$. The dehiscence of the anther is primarily facilitated by the endothecium layer, which develops fibrous thickenings of $\alpha$-cellulose that help in the release of pollen grains.$3$. Pollen grains of many species (e.g., Parthenium) cause severe allergies.$4$. Pollen grains can be stored for years in liquid nitrogen $(-196^{\circ}C)$ for use in crop breeding programmes.$5$. The exine of pollen grains is composed of sporopollenin, which is one of the most resistant organic materials known.

Which one of the following statements is not true?

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