Question

(a) Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.; (b)write the names of male and female reproductive parts of a flower.(Delhi - 2011)

Answer 1

Answer:

I can't draw the diagram in mobile

Answer 2

Let us understand it

Explanation:

Flower is the reproductive part of the plant.

1. It contains different parts .
2. It may be unisexual (with one sex )or bisexual (with both sexes ).
3. It has :

Pedicel : stalk of flower

Thalamus : it is a bulged portion .

Sepals : green coloured leaves attached to thalamus together they form calyx .

Petals : brightly colored and together forms corolla .

Male reproductive part : It contains stamens that have anther lobe with pollen and filament (also called as androecium ).

Female reproductive part: They are collectively called as gynoecium .

It consist of :

style

stigma

ovary

Ovary :  It contains ovules (with embryo sac , egg cell, synergids , antipodal cells ).