Human Health and Diseases Question 73

[2007]

(a) eating fruits preserved in tin containers

(b) inhalation of seasonal pollen

(c) low temperature

(d) hot and humid environment.

Show Answer

Answer : b

Hints & Solutions

(b) Pollen-grains of many species are responsible for some of the severe allergies and bronchial affliction in some people often lead to chronic respiratory disorders - asthma, bronchitis.



NCERT Chapter Video Solution

Dual Pane