Home
Class 10
BIOLOGY
Dwarfism results due to...

Dwarfism results due to

A

Excess secretion of thyroxine

B

Less secretion of growth hormone

C

Less secretion of adrenaline

D

Excess secretion of growth hormone

Text Solution

Verified by Experts

The correct Answer is:
B
Defeciency of growth hormone in childhood causes dwarfism while excessive secretion causes gigantism.
Defeciency of thyroxine causes goitre.
Adrenaline is secreted in small amounts all the time but is secreted in large amounts to prepare our body for action during flight or fight.
Promotional Banner

Topper's Solved these Questions

  • HEREDITY AND EVOLUTION

    NCERT EXEMPLAR|Exercise LONG ANSWER TYPE QUESTIONS|11 Videos

Similar Questions

Explore conceptually related problems

Answer the following (a) which hormone is responsible for the changes noticed in females at puberty? (b) Dwarfism results due to deficiency of which hormone? (c) Blood sugar level rises due to deficiency of which hormone? (d) Iodine is necessary for the synthesis of which hormone?

Lack of oxygen in muscles often leads to cramps among cricketers. This results due to

Boys learn from their families how to be a good son, brother, husband and father. This learning results due to the process of

Dwarfism is due to ……………... of …………... .

Pituitary dwarfism is caused due to the deficiency of

The alteration in chromosomes results due to

Pernicious anaemia results due to dificiency of

The menstrual flow results due to breakdown of...........

NCERT EXEMPLAR-CONTROL AND COORDINATION-Control And Coordination
  1. What is the correct direction of flow of electrical impulses?

    Text Solution

    |

  2. Which statement is not true about thyroxine?

    Text Solution

    |

  3. Dwarfism results due to

    Text Solution

    |

  4. Dramatic changes of body features associated with puberty are mainly b...

    Text Solution

    |

  5. A doctor advised a person to take an injection of insulin because

    Text Solution

    |

  6. The hormone which increase the fertility in males is called

    Text Solution

    |

  7. Which of the following endocrine glands is unpaired?

    Text Solution

    |

  8. Junction between two neurons is called

    Text Solution

    |

  9. In humans, the life processes are controlled and regulated by

    Text Solution

    |

  10. Label the parts (a), (b), (c) and (d) and show the direction of flow o...

    Text Solution

    |

  11. Name the plant hormones responsible for the following (a) elongation...

    Text Solution

    |

  12. Label the endocrine gland in figure

    Text Solution

    |

  13. In figure (a), (b) and (c), which appears more accurate and why?

    Text Solution

    |

  14. Label the part of a neuron in Figure below

    Text Solution

    |

  15. Match the terms of column I with those of column II.

    Text Solution

    |

  16. What is a tropic movement? Explain with an example.

    Text Solution

    |

  17. What will happen if intake of iodine in our diet is low?

    Text Solution

    |

  18. What happens at the synapse between two neurons?

    Text Solution

    |

  19. Answer the following (a) which hormone is responsible for the chang...

    Text Solution

    |

  20. Answer the following (a) Name the endocrine gland associated with br...

    Text Solution

    |