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Reproductive Health

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Which one of the following is the correct matching of the events occurring during menstrual cycle?

  • Ovulation - LH and FSH attain peak level and sharp fall in the secretion of progesterone

  • Proliferative - Rapid regeneration of myometrium and maturation of Graafian follicle

  • Development of corpus - luteum - Secretory phase and increased secretion of progesterone

  • Menstruation - Breakdown of myometrium and ovum not fertilised


C.

Development of corpus - luteum - Secretory phase and increased secretion of progesterone

In secretory phase during ovulation, the follicle breaks and collapses under the continuous influence of Luteinizing Hormone (LH). It begins to enlarge and forms a yellowish structure, called the corpus luteum. The corpus luteum plays an important role in the preparation of the endometrium for the implantation of the fertilised egg by secreting oestrogens and progesterone.

In secretory phase during ovulation, the follicle breaks and collapses under the continuous influence of Luteinizing Hormone (LH). It begins to enlarge and forms a yellowish structure, called the corpus luteum. The corpus luteum plays an important role in the preparation of the endometrium for the implantation of the fertilised egg by secreting oestrogens and progesterone.


The prenatal technique to determine the genetic disorders in a foetus is called :
  • Laproscopy
  • Amniocentesis
  • Abstinence
  • Coitus nterruptus.

B.

Amniocentesis

Progesterone is the contraceptive pill which :
  • Prevents ovulation
  • prevent entry of sperms
  • prevent implantation
  • All the above

D.

All the above

The birth control device not used by women is :
  • Diaphragm
  • Oral pill
  • Condom
  • Copper T

C.

Condom

What is correct about a test tube baby?
  • Fertilization in female's genital tract and growth in test tube
  • Rearing of premature born baby in an incubator
  • Fertilization outside and gestation inside mother's womb
  • Both fertilization and development are done outside the female genital tract.

C.

Fertilization outside and gestation inside mother's womb

The main factor for the growth of human population in India is :
  • high birth rate
  • less death rate
  • lack of education
  • All the above

D.

All the above