Question
Write the physiological reason, why a woman generally cannot conceive a child after 50 years of age.

Answer

Menopause, i.e. stoppage of menstrual cycles occurs around 50 years of age; since no ovulation occurs, the woman cannot conceive after this age.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Are there any homologous organs in male and female reproductive system? If yes, give examples.
Correct the following statements:
  1. Surgical methods of contraception prevent gamete formation.
  2. All sexually transmitted diseases are completely curable.
  3. Oral pills are very popular contraceptives among the rural women.
  4. In E. T. techniques, embryos are always transferred into the uterus.
  1. Identify (A) and (B) illustrations in the following:
  1.  

  1.  

  1. Write the term given to (A) and (C) and why?
  2. Expand PCR. Mention its importance in biotechnology.
  1. Can a plant flowering in Mumbai be pollinated by pollen grains of the same species growing in New Delhi? Provide explanations to your answer.
  2. Draw the diagram of a pistil where pollination has successfully occurred. Label the parts involved in reaching the male gametes to its desired destination.
A typical mammalian cell has 2.2m long DNA molecule, whereas the nucleus in which it is packed measures about 10m. Explain how such a long DNA molecule is packed within a tiny nucleus in the cell.
A person has to perform crosses for the purpose of studying inheritance of a few traits/ characters. What should be the criteria for selecting the organisms?
Where is an operator' located in a prokaryotic DNA? How does an operator regulate gene expression at transcription level in a prokaryote? Explain.
"The codon is a triplet and is read in a contiguous manner without punctuations." Provide the genetic basis for the statement.
State the function of a reservoir in a nutrient cycle. Explain the simplified model of carbon cycle in nature.
Name the host plant and its part that Meloidegyne incognita infects. Explain the role of Agrobacterium in the production of dsRNA in the host plant.