Which one of the following statements about morula in humans is correct?

Foetal ejection reflex in human female is induced by

The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is

Which one of the following statements is incorrect about menstruation?

Which one of the following events occurs in luteal phase (or secretory phase) of the menstrual cycle?

Outer layer of blastocyst that gives rise to ectoderm is

Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorized as:

The hemoglobin of a human foetus:

What happens during fertilisation in humans after many sperms reach close to the ovum?

Column I contains terms and column II contains definitions. Match them correctly and choose the right answer.