Study the figure carefully and answer the following question. Name the parts 1 to 7.

A flower consists of four whorls which are sepals, petals, stamens and pistil. The stamen is the male part of the flower and the pistil is the female part of the flower. A flower that contains both the male and female parts is called a bisexual or complete flower whereas the flower which bears either the male or female part of the flower is known unisexual flower.