Q. No.The direct cause of ovulation during the menstrual cycle is:
1.
A sharp fall in the levels of estrogen
2.
A dramatic rise in the secretion of FSH
3.
The beginning of the secretion of progesterone
4.
A surge in the secretion of LH
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The ducts of the seminal vesicles in humans:
| 1. | join the vas deferens to form the ejaculatory duct |
| 2. | open into the ejaculatory ducts which continue into the urethra |
| 3. | join each other and the common duct opens into the prostatic duct |
| 4. | transport the stored sperms to the outside through the urethra |
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In humans, the process of spermatogenesis in males and oogenesis in females are similar in:
| 1. | Age at which the processes begin |
| 2. | The number of resultant haploid cells |
| 3. | Cytokinesis |
| 4. | Occurring in respective primary sex organs |
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During embryonic development, which of the following structures actually differentiates into the embryo?
| 1. | Morula | 2. | Blastocyst |
| 3. | Inner cells mass | 4. | Trophoblast cells |
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To induce uterine contractions for parturition, which of the following hormones can be injected into the female?
| 1. | hCG | 2. | Estrogen |
| 3. | Progesterone | 4. | Oxytocin |
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Which of the following hormones is not secreted by the human placenta?
| 1. | hCG | 2. | hGH |
| 3. | hPL | 4. | Progesterone |
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The milk produced during the initial few days of lactation, called colostrum, is essential for the newborn as colostrums contains:
| 1. | a Large amount of glucose | 2. | Anti-infective antibodies |
| 3. | Fats | 4. | Various hormones |
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The signals of fetal ejection reflex originate from:
1. Maternal pituitary
2. Maternal hypothalamus
3. Fully developed fetus and placenta
4. Fetal pituitary
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In human beings, the embryo heart is formed about after ________ of pregnancy.
| 1. | One month | 2. | Two months |
| 3. | First trimester | 4. | Second trimester |
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Which of the following is not produced in the woman only during pregnancy?
| 1. | hCG | 2. | hPL |
| 3. | Relaxin | 4. | Oxytocin |
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