Home
Class 12
BIOLOGY
When is a tumour referred to as malignan...

When is a tumour referred to as malignant?

Text Solution

Verified by Experts

A tumour is referred to as malignant tumour when the tumour grows very rapidly and spreads to the neighbouring tissues like the roots of a tree and finally forms secondary tumours in other body parts.
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASES

    MODERN PUBLICATION|Exercise REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (B. QUESTIONS FROM CBSE EXAMINATIONS)|33 Videos

  • 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 (II. VERY SHORT ANSWER QUESTIONS) (B. QUESTIONS FROM CBSE EXAMINATIONS)|23 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

Which of the following sentences are true? I. The cells of malignant tumours divide erratically. II. More than a million Indians suffer from cancer and a large number of them die from it annually. III. They show a property called contact inhibition. IV. Metastasis is the most feared property of malignant tumours

When two parents are crossed , the offspring are referred to as :

Which property of benign tumor is not present in malignant tumor?

When is adaptive radiation be referred to as parallel evolution ? Explain and give an example.

The meaning of cooperative play , when referred to socialisation of children ,is

Tumour promoter is

Differentiate between bening tumour and malignant tumour.

Which noble gas is used for the treatment of malignant tumours?

MODERN PUBLICATION-HUMAN HEALTH AND DISEASES-REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (A. QUESTIONS FROM STATE BOARD EXAMINATIONS)
  1. What is innate immunity? Mention any two types of innate immunity barr...

    Text Solution

    |

  2. Innate immunity is a non-specific type of defense and consists of four...

    Text Solution

    |

  3. Consumption of drug and alcohol affects the person's mental and physic...

    Text Solution

    |

  4. Complete the table given below:

    Text Solution

    |

  5. Write the various components of immune system.

    Text Solution

    |

  6. VACCINATION AND IMMUNISATION

    Text Solution

    |

  7. When is a tumour referred to as malignant?

    Text Solution

    |

  8. How does amoebiasis occur in human beings?

    Text Solution

    |

  9. Name the pathogen of amoebiasis. What are its preventive measures?

    Text Solution

    |

  10. What are interferons? How they act?

    Text Solution

    |

  11. Write a short note on vaccines.

    Text Solution

    |

  12. What is the pathogen of ascariasis? How it can be controlled?

    Text Solution

    |

  13. What are hallucinogens? Give an example.

    Text Solution

    |

  14. What is autoimmunity? Name any one autoimmune disease of human beings.

    Text Solution

    |

  15. What is an allergy? Name two chemicals released by the mast cells in t...

    Text Solution

    |

  16. Name the primary and secondary lymphoid organs.

    Text Solution

    |

  17. Describe in brief the process of transmission of malaria disease.

    Text Solution

    |

  18. What do you mean by metastasis?

    Text Solution

    |

  19. Complete the flow chart given below:

    Text Solution

    |

  20. List of some diseases commonly occurring in man are given below. Arran...

    Text Solution

    |