A : There are two alae in Pisum sativum flowe | vedclass

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Question

(A) In the family $Fabaceae$,the flower exhibits vexillary aestivation.This arrangement consists of five petals: one posterior standard (vexillum),two

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Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

Vedclass · Answer

(A) In the family $Fabaceae$,the flower exhibits vexillary aestivation.This arrangement consists of five petals: one posterior standard (vexillum),two lateral wings (alae),and two anterior petals forming a keel (carina).The standard petal is the largest and overlaps the two lateral wings (alae),which in turn overlap the two smallest anterior petals (keel).Therefore,the assertion that there are two alae is correct,and the reason that they are covered by the largest petal (standard) is also correct and explains the structural arrangement.

Column-$I$	Column-$II$
$(i)$ Tap root	$(a)$ Sweet potato
$(ii)$ Adventitious root	$(b)$ Turnip
$(iii)$ Stem	$(c)$ Wheat
$(iv)$ Fibrous root	$(d)$ Potato

Column $X$	Column $Y$
$(1)$ Thalamiflorae	$(P)$ Ovary inferior
$(2)$ Inferae	$(Q)$ Always two carpels
$(3)$ Disciflorae	$(R)$ $6$ cohorts and many families
$(4)$ Bicarpellatae	$(S)$ Citrus limon

$A$ : There are two alae in $Pisum$ $sativum$ flower.
$R$ : Both alae are covered by the largest petal.

Similar Questions

Where will you get spiny stipules for protection against grazing animals?

Match the following:

Column-$I$ Column-$II$

$(i)$ Tap root $(a)$ Sweet potato

$(ii)$ Adventitious root $(b)$ Turnip

$(iii)$ Stem $(c)$ Wheat

$(iv)$ Fibrous root $(d)$ Potato

$Acacia arabica$ is a

Identify the plant shown in the figure.

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Thalamiflorae $(P)$ Ovary inferior
$(2)$ Inferae $(Q)$ Always two carpels
$(3)$ Disciflorae $(R)$ $6$ cohorts and many families
$(4)$ Bicarpellatae $(S)$ Citrus limon

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$A$ : There are two alae in $Pisum$ $sativum$ flower.$R$ : Both alae are covered by the largest petal.