In the given figure,the parts $A, B$,and $C$ are sequentially:

Draw the diagram of a flower and label the four whorls. Write the names of gamete-producing organs in the flower.

Which of the following is a male accessory reproductive gland?

List four points of significance of reproductive health in a society. Name any two areas related to reproductive health which have improved over the past $50$ years in our country.

$(a)$ Trace the path of sperms from where they are produced in the human body to the exterior.
$(b)$ Write the functions of secretions of the prostate gland and seminal vesicles in humans.

$(i)$ Some organisms have the capacity of reproducing by using a single parent. Such organisms have a simple body structure.
$(a)$ What is this method called?
$(b)$ Name any four types of this method.
$(c)$ Give two examples of organisms using this method for reproduction.
$(ii)$ Identify the method of reproduction used by $Spirogyra$ and $Rhizopus$.