Here are 5 most trending questions from the chapter "How Do Organisms Reproduce?" with short answers:
1. Why is variation important in reproduction?
Answer: Variation ensures survival of species by providing adaptability to changing environments and helping in evolution.
2. What is vegetative propagation? Give one example.
Answer: Vegetative propagation is a type of asexual reproduction where new plants grow from roots, stems, or leaves.
Example: Potato tubers sprout new plants.
3. How does fertilization occur in humans?
Answer: Fertilization occurs when a sperm from the male fuses with an egg from the female in the fallopian tube, forming a zygote.
4. What is the function of the placenta in human reproduction?
Answer: The placenta supplies oxygen and nutrients from the mother to the fetus and removes waste.
5. Why do testes lie outside the abdominal cavity in males?
Answer: Testes remain outside the body in the scrotum to maintain a lower temperature, necessary for sperm production.
These are concise and exam-focused answers. Let me know if you need more!
No comments:
Post a Comment