Flowers are the most beautiful part of a plant. The flower is attached to the stem by a stalk called _(1). The green leaf like parts in the outermost whorl of a flower are called _(2). Next to  them are the petals. If we remove the  petals we can see the __(3). These are the male parts of the flower. Each stamen consists of  a thin ,green stalk called filament with a bag like head called anther. It consists of pollen grains which takes part in the process of  _(4).
In the center of flower there is a flask shaped structure called Pistil. Its base is swollen and is called the ovary. The short tube like upper part is the style and above it is the stigma. The stigma receives the pollen grains from anthers. Inside the ovary are the ___(5).