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.
$I$ and $III$
$I$ and $II$
$II$ and $V$
$III$ and $V$
Androecium having dissimilar stamens is
An inflorescence in which flowers arise from different points but reach the same level is called as
A tap root is always
Rauwolfia serpentina belongs to family
How do you distinguish between hypogeal germination and epigeal germination ? What is the role of cotyledon $(s)$ and the endosperm in the germination of seeds ?