Chronic respiratory disorders like $.......$ are caused by pollen grains.

Select the correct match of disease and its symptom.

Air pollution can result in emphysema,which is:

Assertion $(A):$ $A$ person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.
Reason $(R):$ Due to low atmospheric pressure at high altitude,the body does not get sufficient oxygen.
In the light of the above statements,choose the correct answer from the options given below.

Which of the following options correctly represents the lung conditions in asthma and emphysema,respectively?

Which of the following is not a symptom of asthma?