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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
In which respiratory part does the diffusion of gas take place? |
A. | Alveoli |
B. | Bronchi |
C. | Bronchioles |
D. | Trachea |
Answer» B. Bronchi | |
2. |
Pleura is _______ layered. |
A. | Not |
B. | Single |
C. | Double |
D. | Triple |
Answer» D. Triple | |
3. |
Trachea is a straight tube extending up to the ________ |
A. | end of pharynx |
B. | middle of larynx |
C. | posterior of the thoracic cavity |
D. | anterior of the thoracic cavity |
Answer» E. | |
4. |
Which network comprises the lung? |
A. | Bronchi and bronchioles |
B. | Trachea, tracheoles |
C. | Bronchi, bronchioles, and alveoli |
D. | Trachea only |
Answer» D. Trachea only | |
5. |
Which of the following is not a characteristic of alveoli? |
A. | Thick |
B. | Thin |
C. | Irregular walled |
D. | Vascularized |
Answer» B. Thin | |
6. |
Trachea, bronchi, and bronchioles are all supported by _______ |
A. | incomplete cartilaginous rings |
B. | complete cartilaginous rings |
C. | in-cartilaginous rings |
D. | bones |
Answer» B. complete cartilaginous rings | |
7. |
At which thoracic vertebrae does the trachea branch? |
A. | Sixth |
B. | Fourth |
C. | Fifth |
D. | Second |
Answer» D. Second | |
8. |
________ prevents the food from entering into the glottis during swallowing. |
A. | Larynx |
B. | Peri glottis |
C. | Post glottis |
D. | Epiglottis |
Answer» E. | |
9. |
Which of the following part is known as the soundbox of our body system? |
A. | Vocal gland |
B. | Pharynx |
C. | Larynx |
D. | Nasopharynx |
Answer» D. Nasopharynx | |
10. |
The common passage for both food and air is called the esophagus. |
A. | True |
B. | False |
Answer» C. | |
11. |
Which of the following is not part of the human respiratory system? |
A. | Pharynx |
B. | Alveoli |
C. | Trachea |
D. | Lumen |
Answer» E. | |