Home
Class 12
BIOLOGY
Due to increasing air-borne allergens an...

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder cause wheezing due to:

A

benign growth on mucous lining of nasal cavity

B

inflammation of bronchi and bronchioles.

C

proliferation of fibrous tissues and damage of the alveolar walls.

D

reduction in the secretion of surfactants by pneumocytes

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • NEET (UG) - 2018 (Conducted by CBSE on 06-05-2018)

    TRUEMEN BIOLOGY ENGLISH|Exercise MCQs|86 Videos

  • NEET (UG)- 2017 (Conducted by CBSE on 07-05-2017)

    TRUEMEN BIOLOGY ENGLISH|Exercise MCQs|90 Videos

Similar Questions

Explore conceptually related problems

Pollen grains of many species cause severe allergies & bronchial afflictions in some people often leading to chronic respiratory disorder such as :-

Industrial melanism in peppered moth occurred due to natural selection . The significant reason for this is (a) the light coloured white moths could not be noticed by predatory birds after deposition of soots on bark of trees (b) mutation in light coloured moths due to increase in industrial pollution (c) advantageous selection of black moths on tree in polluted areas, resulting in increase population of black moths (d) advantageous selection of white moths on tree in polluted areas, resulting in increased population of white moths

[A] : Thiamine deficiency results in beriberi causing paralysis. [R]: People eating raw fish may also suffer from paralysis due to the deficiency of vitamin B1. Cooked fish has no such effect. a) If both A and R are true and R is the correct explanation of A b) If both A and R are true but R is not the correct explanation of A c) If A is true and R is false d) If both A and R are false

Children in metro cities of India suffer from allergies and asthma because they are more sensitive to allergens and have low immunity due to

In the metropolitan cities of India, many children are suffering from allergy or asthma. What are the main causes of this problem? I. Due to sensitivity to the environment. II. Because of the protected environment provided early in life. III. Modern-day life style.

On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks, Please help Ketki and her friends to find out the solutions to the following questions. ( a) which probable disease are these people suffering from? (b) How is it caused? (c) What effect does this condition have on pregnancy?

Which of the following is a chronic respiratory disorder in which alveolar walls are damaged due to which respiratory surgace is decreased? One of the major causes of this disease is cigarette smoking

Assertion : Dust particles when come in contact with respiratory tract lead to sneezing, running nose, redness of eyes etc. Reason : Allergic disorders are caused due to release of histamine.

Match column-I and II {:("Column-I","Column-II"),("(A)Asthma", "(i)Alveolar wall damaged"),("(B)Emphysema","(ii)Inflammation leading to fibrosis"),("(C )Occupational respiratory Disorders ","(iii)Wheezing due to inflammation of bronchi and bronchioles "):}

We know that many human activities lead to increasing levels of pollution of the air, water-bodies and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?

TRUEMEN BIOLOGY ENGLISH-NEET (UG) -2019 (Conducted by CBSE on 05-05-2019)-MCQs
  1. Which of the following' ecological pyramids is generally inverted?

    Text Solution

    |

  2. Consider the following statements: (A) Coenzyme or metal ion that i...

    Text Solution

    |

  3. Due to increasing air-borne allergens and pollutants, many people in u...

    Text Solution

    |

  4. Which one of the following statements regarding post-fertilization de...

    Text Solution

    |

  5. Phloem in gymnosperms lacks :

    Text Solution

    |

  6. It takes very long time for pineapple plants to produce flowers. Which...

    Text Solution

    |

  7. Persistent nucellus in the seed is known as

    Text Solution

    |

  8. Cells in G0 phase :

    Text Solution

    |

  9. Match Column -I with Column -II

    Text Solution

    |

  10. What would be the heart rate of a person if the cardiac output is 5 L,...

    Text Solution

    |

  11. What triggers activation of protoxin to active toxin of Bacillus thur...

    Text Solution

    |

  12. The ciliated epithelial cells are required to move particles or mucus ...

    Text Solution

    |

  13. Which of the statements given below is not true about formation of Ann...

    Text Solution

    |

  14. What is the fate of the male gametes discharged in the synergid ?

    Text Solution

    |

  15. Match the following genes of the Lac operon with their respective prod...

    Text Solution

    |

  16. Select the correct sequence of organs in the alimentary canal of cockr...

    Text Solution

    |

  17. Match the hominids with their correct brain size

    Text Solution

    |

  18. Identify the correct pair representing the causative agent of typhoid ...

    Text Solution

    |

  19. How does steroid hormone influence the cellular activities? ,

    Text Solution

    |

  20. Tidal Volume and Expiratory Reserve Volume an athlete is 500 mL and 10...

    Text Solution

    |