Draw a labelled diagram of a part of the transverse section through seminiferous tubule of human testis showing the various stages of spermatogenesis.

Write the function of each of the following:
Acrosome of human sperm.

Write two major functions each of testis and ovary.

Explain the events that follow up to fertilisation when the sperms come in contact with the ovum in the fallopian tube of a human female.

Draw a diagram showing a developing foetus within the uterus and label six parts in it.

During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring, What are the processes through which these events take place?

Draw a labelled diagram of a human blastocyst. How does it get implanted in the uterus?

Even before birth of the baby, the mother shares a beautiful bond with the child. Explain the statement in scientific manner.

Mention the relationships between pituitary and ovarian hormones during a menstrual cycle.

Write the function of each of the following:
Middle piece in human sperm.