Define the term pollination. Differentiate between self pollination and cross pollination. What is the significance of pollination?

What happens when:

1. Accidently, Planaria gets cut into many pieces?
2. Bryophyllum leaf falls on the wet soil?
3. On maturation sporangia of Rhizopus bursts?

What is the probability of a girl or a boy being born in a family? Justify your answer.

What is implantation? Where does it take place? Mention the structure involved and its function.

List any four methods of contraceptions used by humans. How does their use have a direct effect on the health and prosperity of a family.

Draw diagrams to explain the regeneration that takes place in each of the body parts of planaria when its body is cut into three pieces. Name any other organism in which  a similar process can be observed.

Identify A, B and C in the given diagram and write one function of each.

Explain, what happens to the egg once it gets fertilized in a human female?

(i) Describe the methods of reproduction found in unicellular organism.
(ii) Explain budding in Hydra.

Name the parts A, B and C shown in the following diagram and state one function of each.