Assignment F
Long Answer Questions
1. Why budding, fragmentation and regeneration are considered as asexual types of reproduction?
2. With neat diagrams explain the process of regeneration in Planaria.
3. Write two points of difference between asexual and sexual types of reproduction. Describe why
variations are observed in the offspring formed by sexual reproduction.
4. Distinguish between pollination and fertilization. Mention the site and product of fertilization in
a flower.
5. Draw a neat, labelled diagram of a pistil showing pollen tube growth and its entry into the ovule.
6. Distinguish between a gamete and zygote. Explain their roles in sexual reproduction.
7. Draw the diagram of a flower and label the four whorls. Write the names of gamete producing
organs in the flower
8. What is placenta? Mention its role during pregnancy?
9. What are various ways to avoid pregnancy? Elaborate any one method.
10. How does fertilization take place? Fertilization occurs once in a month. Comment.
11. Reproduction is essentially a phenomenon that is not for survival of an individual but for the
stability of a species. Justify.
12. Describe sexually transmitted diseases and mention the ways to prevent them.
Long Answer Questions
1. Why budding, fragmentation and regeneration are considered as asexual types of reproduction?
2. With neat diagrams explain the process of regeneration in Planaria.
3. Write two points of difference between asexual and sexual types of reproduction. Describe why
variations are observed in the offspring formed by sexual reproduction.
4. Distinguish between pollination and fertilization. Mention the site and product of fertilization in
a flower.
5. Draw a neat, labelled diagram of a pistil showing pollen tube growth and its entry into the ovule.
6. Distinguish between a gamete and zygote. Explain their roles in sexual reproduction.
7. Draw the diagram of a flower and label the four whorls. Write the names of gamete producing
organs in the flower
8. What is placenta? Mention its role during pregnancy?
9. What are various ways to avoid pregnancy? Elaborate any one method.
10. How does fertilization take place? Fertilization occurs once in a month. Comment.
11. Reproduction is essentially a phenomenon that is not for survival of an individual but for the
stability of a species. Justify.
12. Describe sexually transmitted diseases and mention the ways to prevent them.
