WAEC 2024 Biology · Question 44
The male and female gametes which bear genes for inheritance in plants are located in the
Options
- A.anthers and petals
- B.sepals and petals
- C.stamens and pistils
- D.stamens and petals
Answer: C. stamens and pistils
Explanation written with AI and checked against the answer key
Analyze the question: It asks which parts of a flowering plant contain the male and female gametes (sex cells) that carry genes from parent to offspring.
Explain the concept:
- The male reproductive organ of a flower is the stamen. It is made up of the anther (which produces pollen grains containing the male gametes) and the filament.
- The female reproductive organ is the pistil (also called the carpel). It is made up of the stigma, style and ovary. The ovary contains ovules, which hold the female gamete (egg cell).
- Sepals and petals are not reproductive organs. Sepals protect the flower bud, and petals attract insects for pollination.
Step-by-step solution:
- Male gametes come from pollen, which is produced in the anthers of the stamens.
- Female gametes (egg cells) are in the ovules inside the ovary of the pistil.
- Check the options: • A. Anthers and petals: petals do not carry gametes. ❌ • B. Sepals and petals: neither is reproductive. ❌ • C. Stamens and pistils: male and female reproductive organs. ✅ • D. Stamens and petals: petals are not female organs. ❌
Answer: C. Stamens and pistils
Exam tip: Remember "Stamen = Male, Pistil = Female". Think "Stamen = Sir (male)" and "Pistil = Princess (female)". Petals and sepals are only the "supporting cast" and never carry gametes.
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