A) egg
B) tail
C) ovum
D) spermatozoa
Correct Answer: D
Solution :
Spermatozoa or sperm contains a proteinaceous substances called Antiferdlizin. It is a protein, which is composed of acidic amino acids. Eggs also contain a chemical substance called fertilizin composed of glycoprotein (monosaccharides + amino acids). Ovum is produced in the ovary and is comparatively larger than sperm. Ovum is inactive and is incapable to move.
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