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(A) The arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl is known as aestivation.$1$. Imbricate: In

Vedclass · Accepted Answer

$(1-P), (2-R), (3-Q), (4-S)$

Vedclass · Answer

(A) The arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl is known as aestivation.$1$. Imbricate: In this type,the margins of sepals or petals overlap one another but not in any particular direction,as seen in Gulmohur and Cassia.$2$. Valvate: When sepals or petals in a whorl just touch one another at the margin,without overlapping,as in Calotropis.$3$. Twisted: If one margin of the appendage overlaps that of the next one and so on,as in China rose,lady's finger,and cotton.$4$. Vexillary: In pea and bean flowers,there are five petals; the largest (standard) overlaps the two lateral petals (wings),which in turn overlap the two smallest anterior petals (keel). This is known as vexillary or papilionaceous aestivation.Therefore,the correct matching is $(1-P), (2-R), (3-Q), (4-S)$.

Column-$I$	Column-$II$
$(1)$ Imbricate	$(P)$ Gulmohur
$(2)$ Valvate	$(Q)$ Cotton
$(3)$ Twisted	$(R)$ Calotropis
$(4)$ Vexillary	$(S)$ Pea

Column-$I$	Column-$II$
$A$. Thalamiflorae	$i$. Gynoecium always bicarpellary
$B$. Calyciflorae	$ii$. Ovary superior
$C$. Bicarpellatae	$iii$. Receptacle cup-shaped
$D$. Inferae	$iv$. Receptacle dome-shaped
$E$. Heteromerae	$v$. Ovary inferior

Column-$I$	Column-$II$
$A$. Thalamiflorae	$i$. Gynoecium bicarpellary
$B$. Calyciflorae	$ii$. Ovary superior
$C$. Bicarpellatae	$iii$. Thalamus cup-shaped
$D$. Inferae	$iv$. Thalamus dome-shaped
$E$. Heteromerae	$v$. Ovary inferior

Match the correct pair.

Column-$I$ Column-$II$

$(1)$ Imbricate $(P)$ Gulmohur

$(2)$ Valvate $(Q)$ Cotton

$(3)$ Twisted $(R)$ Calotropis

$(4)$ Vexillary $(S)$ Pea

Similar Questions

$A$ student was given a description of a flower: bisexual, actinomorphic, pentamerous, gamosepalous, gamopetalous, with $5$ stamens in epipetalous condition, and a bicarpellary, syncarpous, superior ovary. Which of the following is the correct floral formula for this flower?

Given below are two statements.
Statement-$I$: The arrangement of ovules within the ovary is known as placentation.
Statement-$II$: If a fruit is formed by fertilization of the ovary,it is called a parthenocarpic fruit.
Choose the correct answer from the options given below.

Aestivation of petals in the flower of cotton is correctly shown in

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Match the correct pair. Column-$I$ Column-$II$ $(1)$ Imbricate $(P)$ Gulmohur $(2)$ Valvate $(Q)$ Cotton $(3)$ Twisted $(R)$ Calotropis $(4)$ Vexillary $(S)$ Pea