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(B) The correct matching is as follows:$(a)$ Gymnosperms: These are plants with naked seeds and they lack true flowers,but in the context of this matc

Vedclass · Accepted Answer

$a-(q), b-(p), c-(s), d-(r)$

Vedclass · Answer

(B) The correct matching is as follows:$(a)$ Gymnosperms: These are plants with naked seeds and they lack true flowers,but in the context of this matching,they are often associated with primitive reproductive structures. However,looking at the options,$(q)$ 'Absence of flowers' is the defining characteristic of Gymnosperms.$(b)$ Monocots: Monocotyledonous plants typically exhibit trimerous flowers (floral parts in multiples of $3$).$(c)$ Dicots: Dicotyledonous plants typically exhibit tetramerous (multiples of $4$) or pentamerous (multiples of $5$) flowers.$(d)$ Pteridophytes: These are cryptogams that do not produce flowers or seeds,but among the given choices,they are considered to have primitive characteristics compared to seed plants.Matching: $(a)-(q), (b)-(p), (c)-(s), (d)-(r)$.Therefore,the correct option is $B$.

Column-$I$	Column-$II$
$(a)$ Gymnosperms	$(p)$ Trimerous flowers
$(b)$ Monocots	$(q)$ Absence of flowers
$(c)$ Dicots	$(r)$ Primitive flowers
$(d)$ Pteridophytes	$(s)$ Tetramerous or pentamerous flowers

List-$I$	List-$II$
$(A)$ $[\mathbf{a} \mathbf{b} \mathbf{c}]$	$1. \|\mathbf{a}\|\|\mathbf{b}\|\cos(\mathbf{a}, \mathbf{b})$
$(B)$ $(\mathbf{c} \times \mathbf{a}) \times \mathbf{b}$	$2. (\mathbf{a} \cdot \mathbf{c})\mathbf{b} - (\mathbf{a} \cdot \mathbf{b})\mathbf{c}$
$(C)$ $\mathbf{a} \times (\mathbf{b} \times \mathbf{c})$	$3. \mathbf{a} \cdot \mathbf{b} \times \mathbf{c}$
$(D)$ $\mathbf{a} \cdot \mathbf{b}$	$4. \|\mathbf{a}\|\|\mathbf{b}\|$
	$5. (\mathbf{b} \cdot \mathbf{c})\mathbf{a} - (\mathbf{a} \cdot \mathbf{b})\mathbf{c}$

Match the following columns:

Column-$I$ Column-$II$

$(a)$ Gymnosperms $(p)$ Trimerous flowers

$(b)$ Monocots $(q)$ Absence of flowers

$(c)$ Dicots $(r)$ Primitive flowers

$(d)$ Pteridophytes $(s)$ Tetramerous or pentamerous flowers

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Match the following columns: Column-$I$ Column-$II$ $(a)$ Gymnosperms $(p)$ Trimerous flowers $(b)$ Monocots $(q)$ Absence of flowers $(c)$ Dicots $(r)$ Primitive flowers $(d)$ Pteridophytes $(s)$ Tetramerous or pentamerous flowers