Question

Draw a diagrammatic sketch of L.S. of a typical flower and explain briefly with one function of each of the following:

(i) Calyx
(ii) Corolla
(iii) Anther
(iv) Ovary

Answer 1

• Calyx : This is the outermost whorl of floral appendages. The single unit is called sepal. They are generally green in colour. It protects the flower parts in bud condition.
• Corolla : This is the second whorl of floral appendages. The single unit is called petal. They have different colours. It attracts pollinators for pollination.
• Anther : It is a part of male reproductive organ Androecium. Single unit of androecium is called Stamen. Stamen have filament and Anther. Anther produces pollen grains.
• Ovary : Gynoecium or pistil is female part of flower. Pistil consists of one or many carpels. Each carpel have three parts ovary, style and stigma. It produces ovules.