Test 1 Class- XII Biology , Chapter - 3 Human reproduction
Prepared by ASHA SHANI , PGT Biology , KV 2 AFS , Jodhpur
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Q.1 . In a mammalian sperm , spirally arranged mitochondria around the axial filament are present in the region of the : *
2 points
Q.2. Which of the following hormones is not a secretion product of human placenta : *
2 points
Q.3. FSH is secreted by : *
2 points
Q.4. Sperms of mammals depend for movement on : *
2 points
Q.5. Phase of menstrual cycle that lasts for 7-8 days : *
2 points
Q.6.Embryo at 16-celled stage is called : *
2 points
Q.7. Egg is liberated from ovary in : *
2 points
Q.8.Ovulation occurs under the influence of : *
2 points
Q.9. The mammary glands of female starts producing milk : *
2 points
Q.10. At the end of first meiotic division, male germ differentiates into : *
2 points
Q.11. Progesterone is called pregnancy hormone as it helps in *
2 points
Q.12. Withdrawal of which of the following hormones is the immediate cause of menstrua-tion ? *
2 points
Q.13. Assertion : The first milk after the birth of baby is called colostrum , it is good to give this milk to infant .    Reason : Colostrum is rich in proteins , calories and antibodies .                                                                                                                             *
2 points
Q.14. Seminal plasma in humans is rich in  : *
2 points
Q.15. How many autosomes does a human primary spermatocyte have *
2 points
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