Home
Class 12
BIOLOGY
In malignant tumors, the cells prolifera...

In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumour. This stage of disease is called

A

metagenesis

B

metastasis

C

teratogenesis

D

mitosis

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • NCERT Exemplar Questions +2 (EVOLUTION)

    TRUEMAN BIOLOGY|Exercise MCQs|18 Videos
  • NCERT Exemplar Questions +2 (HUMAN REPRODUCTION)

    TRUEMAN BIOLOGY|Exercise MCQs|18 Videos

Similar Questions

Explore conceptually related problems

In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called.

In malignant tumors,the cells proliferate,grow repidly and move to other parts of the body to form new tumors.This stage of disease is called:

When body part moves towards the median axis, it is called

Go through the following statements (i) In geometric growth, following mitotic cell division, only one daughter cell continues to divide while the other differentiates and mature. (ii) The ability of plants to follow different pathways in response to environment or phases of life to form different kinds of structures, is called plasticity. (iii) The mathematical expression for arithmetic growth is Lt = L_0 + rt while for geometric growth, it is W_1=W_0=W_(0)e^(rt) (iv) The form of growth wherein new cells are always being added to the plant body by the activity of the meristem, is called the open form of growth. Which of these are correct .

Fleshy buds produced in the axil of the leaves, which grow to form new plants when shed and on ground, are called

[A] : Macrophage is a large amoeboid cell that can engulf, ingest and destroy bacteria, dam- aged cells and worn-out red blood cells. This process is called phagocytosis and is an im- portant part of the body s defence against disease. [R]: Macrophages are found free (wandering) in the tissues, in connective tissue) as histio- cytes), in the lining of the blood sinusoids of the liver (as Kupffer cells), and in lymphoid tissue. They make up the reticulo-endothelial system.

X is a human being with the reproductive oval shaped almond sized organ Y which releases mature gamete Z monthly once that goes into tube like structure A where it fuses with another gamete called B to form a new cell C. This cell C divides vigorously to form a ball of cells D which gets embedded in the thick lining of organ E of the reproductive system of X where it grows and develops into a foetus. i] Identify X, as male or female. ii] Name the reproductive part Y and give its two functions. iii] Name the gametes Z and B. Iv] Name the process which leads to the formation of C and Identify C. v] Name the ball of cells D. vi] Identify the organ E.

Read the following statements (i) Animals in which the cells are arranged in two embryonic layers, an external ectoderm and an internal endoderm, are called diploblastic animals. Notochord is an ectodermal derived rod like structure formed on the ventral side during embryonic development in some animals. In some animals, the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm ans such a body cavity is called pseudocoelom. Which of the following statement(s) is/are correct?

TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (HUMAN HEALTH AND DISEASES)-MCQs
  1. Diseases are broadly grouped into infectious and non-infections diseas...

    Text Solution

    |

  2. The sporozoites that cause infection when a female Anopheles mosquito ...

    Text Solution

    |

  3. The disease chikunguniya s transmitted by:

    Text Solution

    |

  4. Many diseases can be diagnosed by observing the symptoms in the patien...

    Text Solution

    |

  5. The genes causing cancer are:

    Text Solution

    |

  6. In malignant tumors, the cells proliferate, grow rapidly and move to o...

    Text Solution

    |

  7. When an apparently healthy person is diagnised as unhealthy by a psych...

    Text Solution

    |

  8. Which of the following are the reason(s) for Rheumatoid arthritis?Choo...

    Text Solution

    |

  9. AIDS is caused by HIV.Among the following which one is not a mode of t...

    Text Solution

    |

  10. Smack' is a drug obtained from the :

    Text Solution

    |

  11. The substance produced by a cell in viral infection that can protect o...

    Text Solution

    |

  12. Transplantation of tissues/organs to save certain patients often fails...

    Text Solution

    |

  13. Antibodies present in colostrum which protect the new born from certai...

    Text Solution

    |

  14. Tobacco consumption is known to stimulate secrection of adrenaline and...

    Text Solution

    |

  15. Anti-venom against snake poison contains:

    Text Solution

    |

  16. Which of the following is not a lymphoid tissue?

    Text Solution

    |

  17. Which of the following glands is larger sized at birth but reduces in ...

    Text Solution

    |

  18. Haemozoin is:

    Text Solution

    |

  19. One of the following is not the causal organism for ringworm:

    Text Solution

    |

  20. A person with sickle cell anemia is:

    Text Solution

    |