Make the correct pair: Column-I | vedclass

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(C) The correct matching is as follows:$A$. Tapetum: It is the innermost layer of the microsporangium wall that provides nourishment to the developing

Vedclass · Accepted Answer

$(A-iv), (B-iii), (C-i), (D-ii)$

Vedclass · Answer

(C) The correct matching is as follows:$A$. Tapetum: It is the innermost layer of the microsporangium wall that provides nourishment to the developing pollen grains $(A-iv)$.$B$. Intine: It is the inner wall of the pollen grain,which grows out to form the pollen tube during germination $(B-iii)$.$C$. Vegetative cell: It is a large cell in the pollen grain that contains abundant food reserves and eventually degenerates during the development of the male gametophyte $(C-i)$.$D$. Sporopollenin: It is one of the most resistant organic materials known,which forms the exine of the pollen grain $(D-ii)$.Therefore,the correct sequence is $(A-iv), (B-iii), (C-i), (D-ii)$.

Column-$I$	Column-$II$
$A$. Tapetum	$i$. Degenerate during development
$B$. Intine	$ii$. Resistant organic materials
$C$. Vegetative cell	$iii$. Pollen tube
$D$. Sporopollenin	$iv$. Provide nourishment to pollen grains

Column-$I$	Column-$II$
$(1)$ Germ pore	$(a)$ Lack of sporopollenin
$(2)$ Parthenium	$(b)$ Malva
$(3)$ Self incompatibility	$(c)$ Palms
	$(d)$ Contaminant with imported wheat

Make the correct pair:

Column-$I$ Column-$II$

$A$. Tapetum $i$. Degenerate during development

$B$. Intine $ii$. Resistant organic materials

$C$. Vegetative cell $iii$. Pollen tube

$D$. Sporopollenin $iv$. Provide nourishment to pollen grains

Similar Questions

Bisexual flowers which never open,demonstrate

Match the following:

Column-$I$ Column-$II$

$(1)$ Germ pore $(a)$ Lack of sporopollenin

$(2)$ Parthenium $(b)$ Malva

$(3)$ Self incompatibility $(c)$ Palms

$(d)$ Contaminant with imported wheat

Rose plants produce large,attractive bisexual flowers but they seldom produce fruits. On the other hand,a tomato plant produces plenty of fruits though they have small flowers. Analyze the reasons for the failure of fruit formation in rose.

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Draw a chart of the life cycle in angiosperms.

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Make the correct pair: Column-$I$ Column-$II$ $A$. Tapetum $i$. Degenerate during development $B$. Intine $ii$. Resistant organic materials $C$. Vegetative cell $iii$. Pollen tube $D$. Sporopollenin $iv$. Provide nourishment to pollen grains