Question:

Sexual stage (gametocytes) of Plasmodium occurs in

Updated On: Aug 15, 2022
  • Salivary glands of mosquito
  • Human RBC
  • Intestine of mosquito
  • Human liver
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The Correct Option is B

Solution and Explanation

Inside the red blood cells, oval-shaped merozoites stop proceeding with erythrocytic cycle to increase in size and become rounded gametocytes. Male gametocytes or microgametocytes are smaller and contain a large diffused nucleus. Female gametocytes (or mega gametocytes) are larger with a small compact peripheral nucleus. These do not divide but remain as intracellular parasites within their host's blood corpuscles, until they either die or are ingested by the vectors. They give rise to gametes in insects.
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Concepts Used:

Sexual Reproduction in Flowering Plants

Sexual reproduction in flowering plants takes place or happens when the production of a new organism occurs from two parents by making use of their gametes or sex cells. Both sexual and asexual reproduction can be found in plants. Nearly all flowering plants reproduce sexually. Flowers play a captious role in the process as it carries both the male and female reproductive parts commonly known as androecium and gynoecium respectively.

An individual flower comprises the following parts - 

  • Pedicle
  • Calyx
  • Petals
  • Sepals
  • Stamen
  • Pistil
  • Receptacle