The hormone that stimulates the secretion of testosterone from Leydig cells is: MCQ with Answer and Explanation

Explanation:
Digestion converts complex, insoluble food molecules into simple, soluble forms that can be absorbed. It involves mechanical action (chewing, churning) and enzymatic hydrolysis. Absorption is the uptake of nutrients, assimilation is incorporation into body tissues, egestion is elimination of undigested waste.

Explanation:
Spectrophotometry measures the absorbance of light by a solution at a specific wavelength, which is proportional to the concentration of the absorbing substance (Beer-Lambert law).

Explanation:
Vas deferens transports sperm. The ovum is released from the ovary, fertilization occurs in the fallopian tube, prostate produces seminal fluid.