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MCQ Questions for Class 12 Biology Set 2

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1. Maturation of male and female sex organs at different times is known as:




2. Stalk of ovule is called :




3. Leydigicell found in.




4. The release of eggs from the ovary of human female is called:




5. Fertilization takes place in human :




6. Ovulation regulate by which hormone:




7. Sertolicells present in:




8. Gestation period in human female:




9. The cavity of blastula Is:




10. In mammals male hormones are produced in:




11. An accessory genital gland of man is:




12. Ovaries produce the female gamete called :




13. The uterus is single and it is also called :




14. The last part of the oviduct is called :




15. The finger-like projections in the infundibulum are called:




16. The opening of the vagina is often covered partially by a membrane called:




17. The tiny finger-like structure which lies at the upper junction of the two labia minora above the urethral opening is called:




18. Milk is sucked out from the:




19. The male reproductive system in located in the :




20. The cells which synthesize and secrete testicular hormones called endrogens are:




21. Ovaries are found in the:




22. The grandular tissue of each breast of each breast in divided into 15-20:




23. The nature male germ cells produce sperms by :




24. Androgens stimulate the process of?




25. The machanism of formation of mature female gamete is:




26. First Menstrual cycle at the time of puberty is called:




27. Graafian follice occur:




28. Progesterone hormone is formed by :




29. In India, first consus was conducted in:




30. Rapid decline in a population due to high mortality rate is called:




31. Amniocentesis is a process to:




32. ‘Saheli’ a female antifertility pill, is used:




33. Drug Ru-486 is used as :




34. The most effective method for birth control is:




35. Central drug Research Institute (CDRI), Lucknow has developed a contraceptive named?




36. Which among these is not a natural method of birth control?




37. Which of these is cause by a retrovirus




38. Fssay on Population was published by :




39. Surgical removed of testis of male of control the human population is:




40. What is correct about the test-tube baby :




41. The birth control device not used by women is?




42. The pre-natal technique to determine the gem. tic disorders in a foetus in called :




43. Test-tube baby is a technique where :




44. Progesteron in the contraceptive pill:




45. A method of both control is:




46. Which is related to makes?




47. Copper-T prevents:




48. Lactational Amenorrhoea is related to :




49. Sucess of mendal is




50. Loss of Melanin pigment cause for: