Distinguish between the following pairs on the basis of the information in the brackets.

Pollen grain and Ovule (location in the flower)

Distinguish between the following pairs on the basis of the information in the brackets.

Sepals and Petals (function)

Distinguish between the following pairs on the basis of the information in the brackets.

Vallisneria and Trapa (kind of pollinating agent)

Draw a neat and labelled diagram of the section of a typical flower. From the parts labelled by you, name the parts matching the description given below :

(a) This part attaches the flower to the shoot.

(b) The flattened part of the pedicel.

(c) The outermost whorl of the flower.

(d) The male reproductive organ of the flower.

(e) The part of carpel which receives pollen grains.