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In which of the following structures does fertilization of an ovum by a spermatozoa occur?

A.

Ovary

B.

Uterus

C.

Fallopian tube

D.

Cervix

Answer and Explanation

The Correct Answer is C

a. Ovary: The ovary releases the ovum during ovulation, but fertilization does not occur here.

b. Uterus: The fertilized ovum implants and develops in the uterus, but fertilization occurs earlier.

c. Fallopian tube: Fertilization typically occurs in the ampulla of the fallopian tube, where the sperm meets the ovum.

d. Cervix: The cervix is the lower part of the uterus and is not involved in the fertilization process.


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Related Questions

Correct Answer is C

Explanation

a. Endoplasmic reticulum: The ER is involved in protein and lipid synthesis but is not the primary site of ATP synthesis.

b. Ribosome: Ribosomes are involved in protein synthesis but do not play a direct role in ATP production.

c. Mitochondria: Mitochondria are known as the powerhouses of the cell because they generate ATP through cellular respiration. Enzymes in the mitochondria facilitate the release of energy from nutrients, which is then used to recharge ATP molecules.

d. Lysosome: Lysosomes contain digestive enzymes that break down waste materials and cellular debris, but they do not produce ATP.

Correct Answer is B

Explanation

a. Cricoid cartilage: This is a ring-shaped cartilage located below the thyroid cartilage, but it is not part of the glottis.

b. True vocal cords: The glottis consists of the true vocal cords (vocal folds) and the opening between them. The true vocal cords are essential for sound production.

c. "Adam's apple": This term refers to the prominent part of the thyroid cartilage, particularly in males. It is not part of the glottis.

d. Thyroid cartilage: This is the largest cartilage of the larynx and forms the front wall, but it is not directly part of the glottis.

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