Pollination refers to the (a) transfer of pollen from anther to ovary.

(d) The anther contains pollen grains.

The correct development sequence is as follows: Sporogenous tissue – pollen mother cell – microspore tetrad – Pollen grain – male gamete During the development of microsporangium, each cell of the sporogenous...

Functions of the Testis They produce male gametes called spermatozoa by the process of spermatogenesis. The leydig cells of the seminiferous tubules secrete the male sex hormone called testosterone. Testosterone aids the development...

An ovary releases an egg every month. When two babies are produced in succession, they are called twins. Generally, twins are produced from a single egg by the separation of...

Dogs and rodents are polyovulatory species. In these species, more than one ovum is released from the ovary at the time of ovulation. Hence, six eggs were released by the...

In a 3-celled pollen, the generative cell has already divided and formed 2male gametes. Hence, it will not divide again in the pollen tube. Since ina 2-celled pollen, the generative...

1. The primary follicle grow and become fully mature graafian follicles. 2. Secretion of estrogen hormone. 3. Endometrium of uterus regenerates through proliferation.

(a)– sepals; (b)– petals; (c)– pistil; (d)– filament; (e)– anther; (f)– male; (g)– pistil; (h)– ovary; (i)– ovules

c. Pollen grain

d. Epidermis and tapetum