Q. Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?

Q. Which is a better mode of reproduction sexual or asexual? Why?

Q. Offspring formed due to sexual reproduction have better chances of survival. Why? Is this statement always true?

Q. Define external fertilization. Mention its disadvantages.

Q. Higher organisms have resorted to sexual reproduction in spite of their complexity. Why?

Q. Differentiate between a zoospore and a zygote.

Q. Why is reproduction essential for organisms?

Q. How does the progeny formed from asexual reproduction differ from those formed by sexual reproduction?

Q. Explain why meiosis and gametogenesis are always interlinked?

Q. What is vegetative propagation? Give two suitable examples.

Q. Identify each part in a flowering plant and write whether it is haploid (n) or diploid (2n).
(a) Ovary
(b) Anther
(c) Egg
(d) Pollen
(e) Male gamete
(f) Zygote

Q. Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?

Q. Differentiate gametogenesis from embryogenesis.

Q. Define:

Q. Distinguish between asexual and sexual reproduction. Why is vegetative reproduction also considered as a type of asexual reproduction?

Q. Describe the post-fertilization changes in a flower.

Q. Why is the offspring formed by asexual reproduction referred to as clone?

Q. What is a bisexual flower? Collect five bisexual flowers from your neighbourhood and with the help of your teacher find out their common and scientific names.