Explanation:
A
Cymose inflorescence is also called definite or determinate inflorescence. Growth of the peduncle is definite. Here the terminal bud is modified into a flower.
- Flower develop in basipetal succession i.e. mature flowers are towards the apex and young flower bud are towards the base.
- Flowers open in centifugal sequence i.e. flowers open from centre to the periphery of the inflorescence e.g. Solanum, Ranunculus, Datura, Gossypium etc.

341.The ovary is half inferior in flower of :
(a) Guava
(b) Peach
(c) Cucumber
(d) Cotton
Ans. b
Exp. B
The flower in which ovary and floral parts are arises from the same point called, perigynous and ovary semi-superior, Ex-Rosaceae family.
- In Guava and cucumber, both are epigynous (ovary fused with thalamus and other floral part found in top of ovary.)
- Cotton belongs to family malvaceae in which ovary is Superior, flower is, Actinomorphic with axile placentation.