Question

The nutritive medium for the ejaculated sperms is given by
A. Seminal fluid
B. Vaginal fluid
C. Uterine lining
D. Fallopian tube

Answer 1

Hint: Sperm grows inside a system of tiny tubes called seminiferous tubules in the testicles. These tubules comprise plain circular cells at the time of birth. Testosterone and other hormones allow these cells to turn into sperm cells during puberty.

Complete answer: The seminal fluid containing spermatozoa, i.e. semen, is secreted by males. Apart from spermatozoa, the seminal fluid includes several elements, such as proteolytic enzymes and other enzymes, fructose, ascorbic acid, prostaglandins, etc., and certain substances facilitate spermatozoa survival. Vaginal fluid, uterine lining and fallopian tube, on the other side, form part of the female reproductive system. The accessory glands in males synthesize and secrete a complex mixture of proteins, sugars, lipids, and amino acids which are transferred to the female during copulation. The main function of the accessory glands is to facilitate the delivery of the sperm to the female. Sperm-nourishing and protecting fluid is secreted from the prostate. During ejaculation, the prostate squeezes this fluid into the urethra, where it is expelled with sperm, like semen. Vasa deferentia carries sperm to the seminal vesicle from the testicles (singular: vis deferens). The bulbourethral glands are responsible for producing a pre-ejaculate fluid called Cowper's fluid (colloquially, pre-cum), which is secreted during sexual arousal, neutralizing urethra acidity, in preparation for the migration of sperm cells.
Therefore, the correct answer is option A.

Note: The primary function of Sertoli cells is to nourish through the stages of spermatogenesis the developing sperm cells, the "mother" or "nurse" cell has also been called the Sertoli cell. Sertoli cells also serve as phagocytes and during spermatogenesis, absorb the residual cytoplasm.