Q. No.The number of accessory reproductive glands that contribute to the seminal plasma is:
1. one
2. two
3. three
4. ten
1. one
2. two
3. three
4. ten
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The testis has many lobes each containing 1 – 3 curved:
1. efferent ductules
2. Leydig cells
3. seminal vesicles
4. seminiferous tubules
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A cut section through the middle piece of sperm will show:
1. the proximal pair of centriole
2. the haploid nucleus
3. microtubules in the 9 + 2 pattern of cilia and flagella
4. absence of mitochondria
The middle piece of a sperm contains __________.
1. food necessary to nourish the head of the sperm
2. enzymes necessary to penetrate the egg's outer layers
3. mitochondria to provide energy for movement
4. all of the above
The anterior pituitary secretes gonadotropins:
1. only in females
2. only in males
3. in both males and females
4. only in males, and females after menopause
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The location of ovaries in the human body would most accurately be described as:
| 1. | upper abdominal cavity | 2. | lower thoracic cavity |
| 3. | upper pelvic cavity | 4. | retroperitoneal |
Epithelial linings of the digestive tract is derived from the embryonic:
1. ectoderm
2. mesoderm
3. endoderm
4. allantois
Oxygen rich blood and nutrients are transported to the fetus by:
| 1. | inferior vena cava | 2. | umbilical vein |
| 3. | umbilical artery | 4. | hepatic portal vein |
Within the fetus, much of the circulating blood bypasses the lungs and flows through the ______________.
1. ductus venosus
2. umbilical vein
3. umbilical artery
4. ductus arteriosus
The developing embryo gets implanted on the wall of uterine endometrium at the stage of:
1. gastrula
2. blastocyst
3. morula
4. zygote
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