Find the odd one (w.r.t. inflorescence axis elongation)
Umbel
Spike
Raceme
Catkin
Which of the following two are the resultant of stipule modifications?
$I$.Spines in Ziziphus. $II$.Tendrils in Smilax $III$.Tendrils in Nepenthes.
$IV$.Spines in Argemone. $V$.Thorns in Bougainvellea.
The special type of inflorescence found in Ficus where the female flower are at bottom and male flower near ostiole and enclosed within a cup shaped fleshy thalamus $(receptacle)$ with ostiole is called
Reproductive roots taking part in reproduction are found in
$A$ : Androecium of Cucurbita is synandrous.
$R$ : Anthers as well as filaments of stamens are united throughout their whole length.
Identify from the following plant parts, the major contributors to human food?