Home
Class 12
BIOLOGY
Name the plant source of ganja. How does...

Name the plant source of ganja. How does it affect the body of the abuser?
Or
Name the two special types of lymphocytes in humans. How do they differ in their roles in immune response?

Text Solution

Verified by Experts

Two types of lymphocytes of human blood are : B-lymphocytes and T-lymphocytes.
(a) Mode of action of B-lymphocytes. When stimulated by specific antigen, B-lymphocytes differentiate into RER- rich plasma cells which divide rapidly to form a clone of plasma cells which produce antibodies to form humoral immune system.
(b) Mode of action of T-lymphocytes.
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASES

    MODERN PUBLICATION|Exercise REVISION EXERCISES (IV. SHORT ANSWER TYPE - II QUESTIONS) (A. QUESTIONS FROM STATE BOARD EXAMINATIONS)|61 Videos

  • HUMAN HEALTH AND DISEASES

    MODERN PUBLICATION|Exercise REVISION EXERCISES (IV. SHORT ANSWER TYPE - II QUESTIONS) (B. QUESTIONS FROM CBSE EXAMINATIONS)|18 Videos

  • HUMAN HEALTH AND DISEASES

    MODERN PUBLICATION|Exercise REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (A. QUESTIONS FROM STATE BOARD EXAMINATIONS)|79 Videos

  • EVOLUTION

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (SECTION-D)(CASE-BASED SHORT ANWER )(THREE MARK EACH)|2 Videos

  • HUMAN REPRODUCTION

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST (SECTION - D LONG TYPE QUESTION)|2 Videos

Similar Questions

Explore conceptually related problems

Name the plant source of the drug popularly called "smack". How does it affect the body of the abuser?

What are the two types of mRNAs ? How do they differ ?

Name and explain the two types of immune responses in humans.

Name an opioid drug and its source plant. How does the drug affect the human body?

Name an opiod drug and its source plant. How does the drug affect the human body?

MODERN PUBLICATION-HUMAN HEALTH AND DISEASES-REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (B. QUESTIONS FROM CBSE EXAMINATIONS)
  1. Name the parasite that causes filariasis in humans. Mention its two di...

    Text Solution

    |

  2. Name the plant source of ganja. How does it affect the body of the abu...

    Text Solution

    |

  3. Name the plant source of ganja. How does it affect the body of the abu...

    Text Solution

    |

  4. Name the bacterium that causes typhoid. Mention two diagnostic symptom...

    Text Solution

    |

  5. Name the group of viruses responsible for causing AIDS in humans. Why ...

    Text Solution

    |

  6. Name the cells HIV (Human Immunodeficiency Virus) gain entry into afte...

    Text Solution

    |

  7. Why is the introduction of genetically engineered lymphocytes into a A...

    Text Solution

    |

  8. Write the names of causal organisms of the following: (a) Typhoid (...

    Text Solution

    |

  9. Expand the following : (a) AIDS (b) ELISA

    Text Solution

    |

  10. A student on a school trip started sneezing and wheezing soon after r...

    Text Solution

    |

  11. A yound boy when brough a pet dog home started to complain of watery e...

    Text Solution

    |

  12. A student on a school picnic to a park on a windy day started sneezing...

    Text Solution

    |

  13. Write the events that take place when a vaccine is introduced into hum...

    Text Solution

    |

  14. Why is a person with cuts and bruises following an accident administer...

    Text Solution

    |

  15. Name the two types of immune systems in a human body. Why are cell med...

    Text Solution

    |

  16. Write the scientific names of the causal organisms of elephantiasis an...

    Text Solution

    |

  17. List the symptoms of Ascariasis. How does a healthy person acquire thi...

    Text Solution

    |

  18. Name the causative organism of the disease Amoebiasis. List three symp...

    Text Solution

    |

  19. Name the cells HIV (Human Immunodeficiency Virus) gain entry into afte...

    Text Solution

    |

  20. Mention one application for each of the following : (a) Passive immuni...

    Text Solution

    |