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Class 12 · Biology · Hard
→Which option correctly distinguishes zygote intrafallopian transfer (ZIFT) from intrauterine transfer (IUT)?
Class 12 · Biology · Hard
→In an assisted reproductive technology procedure, where is an embryo with more than eight blastomeres transferred?
Class 12 · Biology · Easy
→Where does fertilisation occur in in vitro fertilisation (IVF)?
Class 12 · Biology · Hard
→A couple has male-factor infertility with a very low sperm count and poor sperm motility. If one selected sperm must be introduced directly into an oocyte for fertilisation, which assisted reproductive technology is most appropriate?
Class 12 · Biology · Hard
→Why should both partners be examined when infertility is being diagnosed?
Class 12 · Biology · Medium
→Which behaviour helps prevent the spread of human immunodeficiency virus (HIV)?
Class 12 · Biology · Easy
→Syphilis and gonorrhoea are examples of which type of diseases?
Class 12 · Biology · Medium
→Why is early diagnosis of sexually transmitted infections important?
Class 12 · Biology · Medium
→Why is the misuse of amniocentesis for sex determination prohibited?
Class 12 · Biology · Medium
→Which is a valid medical use of amniocentesis?
Class 12 · Biology · Hard
→What is a serious possible risk of an unsafe termination of pregnancy?
Class 12 · Biology · Hard
→What is the main difference between contraception and medical termination of pregnancy (MTP)?
Class 12 · Biology · Hard
→Which of the following is a correctly matched combination of a contraceptive method, its category, and its principal effect?
Class 12 · Biology · Hard
→Even though ovulation usually continues after tubectomy, why is fertilisation mainly prevented?
Class 12 · Biology · Hard
→Why do sperm fail to enter semen after vasectomy?
Class 12 · Biology · Hard
→Why is a condom called a dual-protection method?
Class 12 · Biology · Hard
→Why is lactational amenorrhea not considered a permanent contraceptive method?
Class 12 · Biology · Hard
→Why can the chance of failure increase with the periodic abstinence method?
Class 12 · Biology · Hard
→How can hormone-releasing intrauterine devices reduce the chance of pregnancy?
Class 12 · Biology · Hard
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