Differentiate between fog and smog.

Name the type of cell division that occurs during:

(a) Growth of shoot

(b) Formation of pollen grain

The figure given below represents human female reproductive system. Study the figure and answer the questions that follows.

(a) Name the parts A, B, C, D and E.

(b) Identify the structure, which produces ovum and the structure that pushes the released ovum into oviducts.

(c) Which process takes place in B?

Expand the abbreviation ABA.