Home
Class 12
BIOLOGY
The primary lymphoid organs are...

The primary lymphoid organs are

A

spleen and thymus

B

bone marrow and thymus

C

bone marrow and lymph node

D

thymus and MALT.

Text Solution

Verified by Experts

The correct Answer is:
B
Bone marrow and thymus are primary lymphoid organs where differentation and proliferation of immature lymphocytes occurs.
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASE

    NCERT FINGERTIPS ENGLISH|Exercise Human Health And Disease|177 Videos

  • EVOLUTION

    NCERT FINGERTIPS ENGLISH|Exercise All Questions|160 Videos

  • HUMAN REPRODUCTION

    NCERT FINGERTIPS ENGLISH|Exercise Human Reproduction|185 Videos

Similar Questions

Explore conceptually related problems

Name the two primary lymphoid organs. State the importance T-lymphocytes.

Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.

Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.

Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.

Name the primary lymphoid organs.

Explain the terms 'primary lymphoid organs' and 'secondary lymphoid organs' with suitable examples.

Explain the terms 'primary lymphoid organs' and 'secondary lymphoid organs' with suitable examples.

Select the correct option to fill up the blanks. (i) Diseases which are easily transmitted from one person to another, are called ______ diseases. (ii) In human body, parasite of malaria initially multiplies within the ____ and then attack the ______. (iii) _____ is the yellowish fluid secreted by mother during the initial days of lactation. (iv) _____ and ____ are the primary lymphoid organs.

Consider the following statements. I) Secondary lymphoid organs includes lymph nodes, spleen and small masses or lymph tissue such as Peyer's patches, appendix and thymus. II) The secondary lymphoid organs are the site of lymphocyte maturation and they efficiently trap antigens for exposure to T and B-cells. Which of the statements given above is/are correct?

Which of the following is primary lymphoid organ ?

NCERT FINGERTIPS ENGLISH-HUMAN HEALTH AND DISEASE-Human Health And Disease
  1. Which out of the following groups represent auto-immune disorders ?

    Text Solution

    |

  2. Read the following statements and select the correct option. Stateme...

    Text Solution

    |

  3. The primary lymphoid organs are

    Text Solution

    |

  4. Select the correct option to fill up the blanks. (i) Diseases which ...

    Text Solution

    |

  5. The site where lymphocytes interact with antigens and proliferate to b...

    Text Solution

    |

  6. Given below is the diagram of human lymphatic system, where A, B, C an...

    Text Solution

    |

  7. Which of these glands is large at the time of birth but in adults, it ...

    Text Solution

    |

  8. Read the following statements regarding spleen and select the correct ...

    Text Solution

    |

  9. MALT is

    Text Solution

    |

  10. The lymphoid tissue, located within the lining of digestive tract is

    Text Solution

    |

  11. The abbreviation AIDS stands for

    Text Solution

    |

  12. The genetic material of HIV is

    Text Solution

    |

  13. The human immuno deficiency virus is

    Text Solution

    |

  14. Which of the following is not a cause of transmission of HIV ?

    Text Solution

    |

  15. Identify A, B, C, D and E in the given diagram of HIV virus.

    Text Solution

    |

  16. Viral DNA after being converted from viral RNA by X, incorporates into...

    Text Solution

    |

  17. Which one of the following statements is true ?

    Text Solution

    |

  18. The figure given below shows mode of action of AIDS virus. Identify st...

    Text Solution

    |

  19. The cells called 'HIV factory' is

    Text Solution

    |

  20. HIV is a retrovirus that attacks

    Text Solution

    |