Health Department Medical MCQs NTS Past Papers Operation Theatre Technician (OTT) Surgical Technician

Who used Drosophila melanogaster for the first time as an experimental animal in genetic studies?

  • T.H Morgan
  • Gregor J.Mendal
  • George Breadle
  • Edward Tatum
  • a
  • Drosophila Melanogaster means “Fruit Flies”.
    Thomas Hunt Morgan first time used Fruit Flies in experiment at Columbia University in 1910 in a laboratory known as “The Fly Room”.

View More Details >>
Health Department Medical MCQs NTS Past Papers Operation Theatre Technician (OTT) Surgical Technician

The menstrual cycle in human is controlled by hormones and completed in:

  • 10 days
  • 15 days
  • 28 days
  • 32 days
  • c
  • The human menstrual cycle controlled by hormones between 21 to 35 days, with a common average of 28 days.
    It stopped with the pregnancy.
    It also stopped in Menopause.
    The age of Menopause is 45-50 years.

View More Details >>
1 3 4 5 6 7 77