Biology 12 Chapter 14 Respiration - 12


Biology Class 12
1.    Which of the following, present in nose prevent the entry of foreign particles inside the respiratory system?




Biology Class 12
2.    Which of the following, present in nose prevent the entry of foreign particles inside the respiratory system?




Biology Class 12
3.    Which of the following, present in nose prevent the entry of microorganisms inside the respiratory system?




Biology Class 12
4.    Which of the following, present in nose prevent the entry of microorganisms inside the respiratory system?




Biology Class 12
5.    Which of the following, present in nose prevent the entry of dust inside the respiratory system?




Biology Class 12
6.    Which of the following, present in nose prevent the entry of dust inside the respiratory system?




Biology Class 12
7.    Which of the following, present in nose helps in moistening the air?




Biology Class 12
8.    What is the function of mucus?



9.    What is the function of mucus?



10.    What is particulate?


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