Multiple Choice QuestionsWhorled, simple leaves with reticulate venation are present in
Calotropis
Neem
China rose
China rose
In unilocular ovary with a single ovule, the placentation is
marginal
basal
free central
free central
B.
basal
In basal placentation, the ovary is bicarpellary, syncarpous and unilocular and a single ovule is borne at the base of ovary, eg, marigold.
In marginal placentation, the ovary is simple unilocular and the ovules are arranged along the margin of ovary eg, pea.
Coiling of garden pea tendrils around any support is an example of
thigmotaxis
thigmonasty
thigmotropism
thigmotropism
Which one of the following is a xerophytic plant in which the stem is modified into the flag green and succulent structure?
Opunita
Casuarina
Hydrilla
Hydrilla
Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous by
the absence of secondary xylem
the absence of secondary phloem
the presence of cortex
the presence of cortex
A fruit developed from hypanthodium inflorescence is called
hesperidium
sorosis
syconus
syconus
Switch
is that of
