Thank you for reporting, we will resolve it shortly
Q.
"$X$" is the outermost whorl of the flower and contains "$Y$". $Y$ is green, leaf like and protect the other whorls of the flower. Identify $X$ and $Y$.
Morphology of Flowering Plants
Solution:
Calyx of the flower contains sepals which are green in
colour and look like leaf and protect the other whorls of
the flower. Corolla is present inside the calyx and made up
of petals. Petals are different in color and shapes and
protects the other whorls present inside it. It attracts insects
for pollination due to its color. Androecium is present inside
the corolla and made up of stamens. Each stamen contains
filament, anther and a connective.