Multiple Choice Questions

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Assisted reproductive technology, IVF involves transfer of 

  • ovum into the Fallopian tube 

  • zygote into the Fallopian tube 

  • zygote into the uterus

  • zygote into the uterus


B.

zygote into the Fallopian tube 

In vitro fertilisation is a process in which an egg is fertilised by sperm outside the women's womb. IVF is a major treatment for infertility. The process involves hormonally controlled ovulatory process, removing ova from the woman's ovaries and letting sperm fertilise them in a fluid medium.

The zygote or the embryo up to 8- celled stage in then transferred into the patient's Fallopian tube with the zygote is more than 8 blastomere stage, it is placed directly into the uterus.

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The main function of mammalian corpus luteum is to produce

  • estrogen only

  • progesterone

  • human chorionic gonadotropin

  • human chorionic gonadotropin

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Select the correct option describing gonadotropin activity in a normal pergnant female

  • High level of FSH and LH stimulates the thickening of endometrium

  • High level of FSH and LH facilitate implantation of the embryo

  • High level of hCG stimulates the synthesis of estrogen and progesterone

  • High level of hCG stimulates the synthesis of estrogen and progesterone

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Tubectomy is a method of sterilisation in which 

  • Small part of the Fallopian tube is removed or tied up

  • Ovaries are removed 

  • Small part of vas deferens is removed or tied up

  • Small part of vas deferens is removed or tied up

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Which of the following is a hormone-releasing Intra Uterine Device (IUD)?

  • Multiload 375

  • LNG - 20

  • Cervical cap

  • Cervical cap

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In a population of 1000 individuals 360 belongs to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele A in the population is

  • 0.4

  • 0.5

  • 0.6

  • 0.6

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A human female with Turner's syndrome

  • has 45 chromosomes with XO

  • has one additional X - chromosome

  • exhibits male characters

  • exhibits male characters

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Commonly used vectors for human genome sequencing are

  • T-DNA

  • BAC and YAC

  • Expression vectors

  • Expression vectors

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Forelimbs of cat, lizard used in walking forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of 

  • analogous organs

  • adaptive radiation

  • homologous organs

  • homologous organs

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Which one of the following are analogous structures?

  • Wings of bat and wings of pigeon

  • Gills of prawn and lungs of man

  • Thorns of Bougainvillea and tendrils of Cucurbita

  • Thorns of Bougainvillea and tendrils of Cucurbita

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