EASY
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 Which metabolic pathway is taking place resulting in the formation of carbon dioxide?

Important Questions on Life Processes

EASY
Science>Biology>Life Processes>Respiration
Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.
HARD
Science>Biology>Life Processes>Respiration
Draw a diagram of human respiratory system and label- pharynx, trachea, lungs, diaphragm and alveolar sac on it.
HARD
Science>Biology>Life Processes>Respiration
What is the reason for muscle fatigue? How does the chemical causing muscle fatigue develop?
EASY
Science>Biology>Life Processes>Respiration

Write two examples of breathing organs in animals.

MEDIUM
Science>Biology>Life Processes>Respiration
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
MEDIUM
Science>Biology>Life Processes>Respiration
When we inhale, nitrogen also goes inside along with oxygen. This nitrogen is:
EASY
Science>Biology>Life Processes>Respiration
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
MEDIUM
Science>Biology>Life Processes>Respiration
Give two differences between respiration and burning?
EASY
Science>Biology>Life Processes>Respiration
The fine hairs in the nose traps dust. 
MEDIUM
Science>Biology>Life Processes>Respiration
What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
MEDIUM
Science>Biology>Life Processes>Respiration
What are the end-products of fermentation of glucose by yeast?
EASY
Science>Biology>Life Processes>Respiration
How are the lungs designed in human beings to maximise the area for exchange of gases?
EASY
Science>Biology>Life Processes>Respiration
How are the alveoli adapted to carry out gaseous exchange efficiently?
EASY
Science>Biology>Life Processes>Respiration
What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
EASY
Science>Biology>Life Processes>Respiration
The gas required for the breakdown of glucose in living cells is:
EASY
Science>Biology>Life Processes>Respiration
Energy currency of the cell is :
MEDIUM
Science>Biology>Life Processes>Respiration
What are the different ways in which glucose is oxidized to provide energy in various organisms?
EASY
Science>Biology>Life Processes>Respiration
What would be the consequences of the deficiency of haemoglobin in our bodies?
HARD
Science>Biology>Life Processes>Respiration
When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate this nitrogen?
HARD
Science>Biology>Life Processes>Respiration
With the help of a flow chart, show how the exchange of gases takes place in the lungs.