The layer of uterus which becomes much eroded due to placental villi is known as

Decidua which takes part in the formation of maternal portion of the placenta is

Hormone responsible for metamorphosis in tadpole is

If both ovary remove from female than which hormone level decreased ?

Given below is a diagrammatic sketch of a portion of human male reproductive system. Which of the following part contributes to the maximum portion of semen?

If the first cleavage furrow divides the zygote completely into two, the cleavage type is