In which method is a branch of the stem bent and buried in the soil to perform vegetative propagation?

State whether the following statement is true or false: $A$ thick and spongy lining of the uterus is required for nourishing the embryo if fertilization has taken place.

The initial free end of the fallopian tube towards the ovary is funnel-shaped. What is it called?

$(i)$ $(a)$ Write the full form of $DNA$.
$(b)$ State the role of $DNA$ in the cell nucleus.
$(c)$ What will be the after-effect if the information of the $DNA$ is changed?
$(ii)$ Explain the importance of $DNA$ copying in reproduction.

What are the benefits of using mechanical barriers during sexual act?

List any two differences between pollination and fertilization.