Why the answer is B, and why the others tempt you.
**The reasoning**
Think of the flower as having male and female parts, just like we have different reproductive organs. The **stamen** is the male part, and it has two components: the *filament* (stalk) and the **anther** (the tiny sac on top).
The anther's job is to *produce* and hold pollen grains — those tiny yellow powdery particles you see on flowers. When mature, the anther releases this pollen for pollination. It's literally the "pollen factory" of the flower.
**Why the wrong options tempt you**
- **Stigma** (A) — This one tricks you because it *receives* pollen during pollination, so students confuse "where pollen lands" with "where pollen comes from."
- **Ovary** (C) — This is the female part that produces ovules (eggs) and later becomes the fruit. Wrong gender!
- **Petal** (D) — Petals just attract pollinators with color; they're for advertising, not production.
**Quick takeaway**
Remember: **Anther = Author of pollen** — it writes/produces the pollen story, while stigma just reads/receives it. Male produces, female receives!
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