Composition of semen is
Secretion of the testes and epididymis
Secretions of the seminal vesicles
Secretions of prostate gland and bulbo-urethral glands
All the above
Functions of seminal fluid is/are
Match the columns.
Column $I$ | Column $II$ |
$(a)$ Seminiferous tubules | $(1)$ Place for storage and maturity of sperm |
$(b)$ Urethra | $(2)$ Structure which releases out sperm cells |
$(c)$ seminal vesicle | $(3)$ A gland exist in pair producing nutrients |
$(d)$ Epididymis | $(4)$ Coiled duct where sperms start development |
Which organ of human is not paired ?
Describe the structure of a sperm.
The organ which produces gametes are called $...A...$ and which neither produces gametes nor hormones are called $...B...$. Here $A$ and $B$ represent