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Due to increasing air-borne allergens a ...

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

A

1)benign growth on mucous lining of nasal cavity

B

2)inflammation of bronchi and bronchioles.

C

3)proliferation of fibrous tissues and damage of the alveolar walls.

D

4)reduction in the secretion of surfactants by pneumocytes

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

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

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  3. Due to increasing air-borne allergens a pollutants, many people in urb...

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

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  5. Phloem in gymnosperms lacks :

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

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  7. Persistent nucellus in the seed is known as

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  8. Cells in G0 phase :

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  9. Match Column -I with Column -II

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

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  11. The trigger for activation of toxin of Bacillus thuringiensis is

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

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

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

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

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

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  17. Match the hominids with their correct brain size

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

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

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

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