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Question1: The permissible use of the technique amniocentesis is for [CBSE PMT’2010]
(a) detecting sex of the unborn foetus
(b) artificial insemination
(c) transfer of embryo into the uterus of the surrogate mother
(d) detecting any genetic abnormality
Answer: d
Explanation:
Amniocentesis involves parental diagnosis of metabolic error and genetic abnormalities.
Question2: Cu ions released from copper – releasing Intra Uterine Devices (IUDs) [CBSE PMT’2010]
(a) make uterus unsuitable for implantation
(b) Increase phagocytosis of sperms
(c) suppress sperm motility
(d) prevent ovulation
Answer: a
Copper ‘T’ is an intrauterine device which prevents the fertilized egg becoming implanted in the wall of the womb.
Question3: Which one of the following is the most widely accepted method of contraception in India, as at present? [CBSE PMT’2011]
(a) Cervical caps
(b) Tubectomy
(c) Diaphragms
(d) IUDs
IUDs (Intra Uterine Device) is a method of contraception in India. The IUD is inserted in the woman’s uterus through the cervix.
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