Q.1. What are the two inherent characteristics of amoeba and yeast that favour asexual reproduction in them?

Q.2. “The offsprings produced by asexual reproduction are referred to as clones”. Why?

Q.3. Why is potato tuber considered as a stem though it is an underground part? Give two reasons in support of your answer?

Q.4. Among the annual and the perennial plants, which one has a shorter juvenile period. Explain.

Q.5. Rearrange the following events in the sequence in which they occur in the sexual reproduction of flowering plants: embryogenesis, fertilization, gametogenesis, pollination.

Q.6. How is it that the chances of fruit set in a self-pollinated bisexual flower of a plant are far greater than a dioecious plant?

Q.7. Is sexual reproduction hindered by the presence of a large number of chromosomes in an organism?

Q.8. Explain giving two examples if there is a relationship between the size and the lifespan of an organism.

Q.9. There are two different types of flowers marked A and B in the image given below. Identify the flower types and the kind of pollination that will occur in each of them.

Q.10. Why can’t multicellular organisms reproduce by cell division?

Q.11. Mark the ovule and the pericarp in the figure given below.

Q.12. Why is it so that the gametes produced in the organisms in large numbers exhibit external fertilization?

Q.13. Identify the monoecious and dioecious organisms.

• Earthworm
• Chara
• Marchantia
• Cockroach

Q.14. Match the following:

Column A	Column B
Bryophyllum	Offset
Agave	Eyes
Potato	Leaf Buds
Water hyacinth	Bulbils

Q.15. Post-fertilization, what do the following parts of the flower grow into?

• Ovary
• Ovules

Short Answer Type Questions

Q.1. Name the stage in the life-cycle during meiosis in the haploid organisms that undergo sexual reproduction. Give reasons as well.

Q.2. In higher plants and higher animals, the number of taxa exhibiting asexual reproduction is drastically reduced as compared to the lower groups of plants and animals. Explain.

Q.3. Name the haploid and diploid individuals in the family of honey bees and analyze the reasons behind their formation.

Q.4. Which type of reproduction is a reduction division associated with? Give reasons in support of your answer.

Q.5. Is vegetative propagation considered a type of asexual reproduction? Give reasons.

Q.6. Why is fertilization not a compulsory event for the production of fruits in certain plants?

Q.7. What will be the consequences if cell division is not followed by cell differentiation in a developing embryo?

Q.8. What are the changes that take place in an angiosperm after pollination and fertilization have occurred?

Q.9. Why are the seeds scattered in the juicy pulp of tomato and arranged in a row in a pea pod?

Q.10. Mention two differences and one similarity between zoospore and conidium. Draw diagrams of each.

Q.11.What is Embryogenesis?

Q.12.What is Fragmentation?

Q.13.What is vegetative propagation?

Q.14.What is Sexual Reproduction?

Q.15.What is Gametogenesis?

Q.16.What is a bisexual flower?

Q.17.What is Asexual Reproduction?

Q.18.What are the different types of asexual reproduction

Q.19.What is the complete process of sexual reproduction?

Q.20.Define  Pollination?

Long Answer Type Questions

Q.1. State the differences between sexual and asexual reproduction. Explain different types of asexual reproduction in unicellular organisms.

Q.2. Explain the process of gametogenesis in animals with suitable examples.

Q.3. State the differences between:

1. Oestrous and menstrual cycle
2. Ovipary and vivipary

Q.4. Rose plants have large flowers but rarely do they produce fruits. On the contrary, the tomato plant produces fruit but has very small flowers. Comment with suitable reasons.

Q.5. List the important differences between zoospore and zygote.

Q.6. What are the post-fertilization changes that occur in plants?