Respiration in Organisms Sample Questions for Class 7
Question 1
Which of the following shows correct sequence of organs in human respiratory system?
A. Nostrils --> Trachea --> Lung --> Bronchi
B. Trachea --> Bronchi ---> Lungs --> Bronicholes
C. Nostrils --> Trachea ---> Brochioles ---> Lungs
D. Trachea ---> Bronchioles ---> Lungs ---> Alveoli
Question 2
Which part of the cell is used for diffussion of gases in Paramecium?
A. Cell membrane
B. Cell wall
C. Cytoplasm
D. Necleus
Question 3
Which of the following is correct statement?
A. During inhalation oxygen is 21% and CO2 is 0.04%
B. During inhalation oxygen is 16.4% and CO2 is 4.4%
C. During exhalation oxygen is 16.4% and CO2 is 0.04%
D. During exhalation oxygen is 21% and CO2 is 4.4%
Question 4
Which of the following is a correct match for organism and organ used for respiration?
A. Amoeba - Cell Membrane
B. Earthworm - Spiracles
C. Grasshopper - Nostrils
D. Tadpole - Lungs
Question 5
C6H12O6 + 6O2. ---> 6CO2 + 6H2O + Energy.
This equation represents which type of respiration?
A. Aerobic
B. Anaerobic
C. Lack of Oxygen
D. None of the above