Human Reproduction — Practice Quiz
ICSE · Class 12 · Biology
Try a 4-question quiz on Human Reproduction for ICSE Class 12 Biology: tap an answer to check it and see why. 104 questions in the full chapter test.
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Quick Quiz: Human Reproduction
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
Where are the testes located in the human male body?
Which cells in the testes are responsible for nourishing the developing spermatocytes?
Which accessory gland contributes the largest volume to human semen?
What is the site of fertilisation in the human female reproductive system?
Sample Questions
What is the primary energy source for sperm motility in human semen?
Show answer
B
Fructose, secreted by the seminal vesicles, is the primary energy source for sperm motility. Sperm have no significant glycogen reserves of their own. Therefore, the correct answer is option (2) Fructose.
Which hormone triggers ovulation in the menstrual cycle?
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C
The LH (luteinising hormone) surge on day 14 of the menstrual cycle triggers ovulation — rupture of the Graafian follicle and release of the secondary oocyte. Therefore, the correct answer is option (3) LH surge.
What structure is formed from the ruptured Graafian follicle after ovulation?
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C
After ovulation, the ruptured Graafian follicle is transformed into the corpus luteum (yellow body) under LH stimulation. The corpus luteum secretes progesterone to maintain the endometrium. Therefore, the correct answer is option (3) Corpus luteum.
How many spermatozoa are produced from one primary spermatocyte through meiosis?
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C
One primary spermatocyte undergoes Meiosis I → 2 secondary spermatocytes → Meiosis II → 4 spermatids → spermiogenesis → 4 spermatozoa. All 4 are functional. Therefore, the correct answer is option (3) 4.
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