Trachea and Lungs Quiz PDF: Questions and Answers - 7

MCQ 31: While breathing oxygen moves

1. inside the body
2. outside the body
3. no effect on concentration of the oxygen
4. none of above

MCQ 32: The shape of the mitochondria is

1. thread-like only
2. rod-like only
3. star-like
4. thread and rod like

MCQ 33: The outer membrane of the mitochondria is

1. irregular only
2. smooth only
3. rough
4. irregular and smooth

MCQ 34: The neuron that receives stimuli from the environment and transmits it to CNS is known as

1. motor neurons
2. sensory neuron
3. interneurons
4. neuron stimulus

MCQ 35: The diameter of the nucleus is about

1. 2-7 µm
2. 3-6 µm
3. 2-10 µm
4. 3-10 µm