Respiration in Organisms - Class 7 CBSE Science
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Q1 · MCQ · 1 mark
Which of the following gases do organisms take in during breathing?
Q2 · FILL · 1 mark
The process of breakdown of food in the cell with the release of energy is called ___________.
Q3 · SHORT · 2 marks
Briefly explain the main difference between aerobic and anaerobic respiration.
Q4 · MCQ · 1 mark
The tiny pores on the surface of leaves through which exchange of gases takes place are called:
Q5 · FILL · 1 mark
When we exhale, the diaphragm moves _______ and the ribs move _______.
Q6 · SHORT · 2 marks
Why do athletes sometimes get muscle cramps after strenuous exercise?
Q7 · MCQ · 1 mark
Yeast can respire anaerobically. This process is used in the production of:
Q8 · FILL · 1 mark
The tube-like structure present in human beings for the passage of air is known as the __________.
Q9 · SHORT · 2 marks
Name the gas released during the process of cellular respiration.
Q10 · MCQ · 1 mark
Earthworms respire through their: