Multiple Choice Questions

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Women who consumed the drug thalidomide for relief from vomiting during early months of pregnancy gave birth to children with

  • no spleen

  • hare-lip

  • extra fingers and toes

  • underdeveloped limbs.


D.

underdeveloped limbs.

Even a single dose of thalidomide can cause severe birth defects or fetal death, thalomid (a form of thalidomide) must not be used during pregnancy. Pregnancy must be ruled out 24 hours before starting therapy with thalidomide. Women must be monitored for pregnancy while using thalomid because it can give rise to underdeveloped limbs in fetus.


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The crystal of lead zirconate is a key component of

  • electroencephalography

  • electrocardiography

  • magnetoencephalography

  • sonography


One of the legal methods of birth control is

  • abortion by taking an appropriate medicine

  • by abstaining from coitus from day 10-17 of the menstrual cycle

  • by having coitus at the time of day break

  • by a premature ejaculation during coitus


Contraceptive oral pills help in birth control by

  • killing the sperms in uterus

  • preventing implantation

  • preventing ovulation

  • both (b) and (c)


In a population, unrestricted reproductive capacity is called

  • biotic potential

  • fertility

  • carrying capacity

  • birth rate


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Assertion : Amniocentesis is a process of foetal sex determination.

Reason : Metabolic errors and other diseases can be diagnosed prenatally by this process.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false


In assisted reproductive technology where gametes have been fertilized in vitro, which of the following is practicable for embryo transplantation in Fallopian tube

  • Only embryo up to 8 blastomeres if zygote is not transplanted.

  • Only zygote is transplanted not embryo

  • Either embryo or zygote with 8 blastomere phase transplanted

  • Morulla with 8-24 celled stage is transplanted in Fallopian tube.


Oral contraceptive pill is composed of

  • oestrogen and progesterone

  • oestrogen and testosterone

  • progesterone and testosterone

  • oestrogen and growth hormone


Which of the following cannot be detected in a developing foetus by amniocentesis?

  • Klinefelter's syndrome

  • Sex of the foetus

  • Down's syndrome

  • Jaundice


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Which one of the following pairs is not correctly matched

  • Streptomyces - Antibiotic

  • Serratia - Drug addiction

  • Spirulina - Single cell protein

  • Rhizobium - Biofertilizer


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