Science — CBSE Class 10 board question

(a) anther

The stamen is the male reproductive part of a bisexual flower. It produces pollen grains in the anther, which contain the male gametes.

Source: Sexual Reproduction in Flowering Plants, Chapter 7

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• The anther is the top part of the stamen where pollen grains (containing male germ-cells) are produced and stored.
• The ovary contains ovules/egg cells (female gametes); the stigma is where pollen lands; the filament is just the stalk supporting the anther — none of these contain male gametes.
• This is directly supported by the passage: "Stamen is the male reproductive part and it produces pollen grains." The anther is the pollen-bearing part of the stamen.