To solve this problem, we need to identify the respiratory disorder causing wheezing due to air-borne allergens and pollutants. Let's analyze each option:$\newline \bullet$Option 1: Benign growth on mucous lining of nasal cavity$\newline$ - This refers to nasal polyps, which can cause nasal obstruction but are not directly related to wheezing.$\newline \bullet$Option 2: Inflammation of bronchi and bronchioles$\newline$ - This describes asthma, a common respiratory disorder characterized by wheezing, shortness of breath, and coughing.$\newline$ - Asthma is often triggered by allergens and pollutants, leading to inflammation and narrowing of the airways.$\newline$ - Therefore, this option correctly describes the condition causing wheezing.$\newline \bullet$Option 3: Proliferation of fibrous tissues and damage of the alveolar walls$\newline$ - This describes pulmonary fibrosis, which leads to scarring of lung tissue but is not primarily associated with wheezing.$\newline \bullet$Option 4: Reduction in the secretion of surfactants by pneumocytes$\newline$ - This condition affects lung compliance and is related to respiratory distress syndrome, not typically associated with wheezing.$\newline$Based on the analysis, the correct option is Option 2: Inflammation of bronchi and bronchioles.