Durga lives in a village and cooks food on a chulha (earthen stove) using wood or cow dung cakes as fuel. She has been suffering from severe cough for the last three months. This may be due to the

[A] smoke produced by burning fuels which may have caused her allergy

[B] old age and pollution inside and outside her hut

[C] carbon monoxide produced by burning fuel which may have been deposited in her respiratory tract

[D] soot produced by burning the fuels which may have been deposited in her respiratory tract

Answer & Explanation
Answer: Option [D]

Environmental Studies Questions and Answers for CTET Exam