Question

Study and write about the flowers adapted to pollination by insect
Or
Dissect the given flower (a) and describe the reproductive parts with well labelled diagram
(A)-china rose or sunflower.

Answer 1

Answer:

male reproductive part stamen ,female reproductive part carpel fuses and form ovule

Answer 2

Answer :

The china rose has the parts like most of the flowers possess,It consists of parts that is : petals ,sepals ,female reproductive part ,male reproductive part ,thalamus , Pedicel .

Explanation:

Now , let us describe them in detail :

Pedicel : It is the stalk of the flower .

Thalamus : It is a bulged portion which supports the petals .

Sepals : They are the green leaf like structure that are attached at thalamus .Many sepals together form Calyx .

Petals : They are brightly colored .Like, in china rose it is of red color .There are whorls of petals .Together they form Corolla .

Female reproductive part : It consist of ovary ,style and stigma .

• Ovary:  is oval and contain ovules attached to the nutritive tissue that is placenta .
• Style : is the cylindrical tube .
• Stigma : It is the upper portion that receives pollen.

Male reproductive part : It is stamen .The stamen consist of filament and anther lobe containing pollen.