Which of the following pairs is incorrect?

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(D) $1$. Viroids are infectious agents consisting of a short strand of circular,single-stranded $RNA$ without a protein coat. This pair is correct.$2$

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Salvinia - Thalloid

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(D) $1$. Viroids are infectious agents consisting of a short strand of circular,single-stranded $RNA$ without a protein coat. This pair is correct.$2$. Rye is a monocot plant. Monocots possess companion cells in their phloem tissue. This pair is correct.$3$. Ginkgo is a gymnosperm. Gymnosperms produce archegonia in their female reproductive structures. This pair is correct.$4$. Salvinia is a pteridophyte. Pteridophytes have a well-differentiated plant body into true roots,stems,and leaves. They are not thalloid (thalloid body is characteristic of bryophytes and algae). Therefore,this pair is incorrect.

Column-$I$	Column-$II$
$A$. Bryophytes	$i$. Equisetum
$B$. Gymnosperms	$ii$. Onion
$C$. Angiosperms	$iii$. Anthoceros
$D$. Pteridophytes	$iv$. Thuja

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