Diffusion pressure cannot deliver oxygen all over the body in bigger animals. Comment on this statement.
Assertion : Larynx passes air to the pharynx
Reason : pharynx produces sound
Assertion : In woody plants
Reason : Lenticels are specialised cells
Describe the process of breathing in human beings.
Assertion : Exchange of oxygen and carbon
Reason : oxygen diffuses from alveoli to blood vessels
Assertion : During inhalation, diaphragm flattens
Reason : Due to this, air enters the lungs
Write the pathway of oxygen travelling from atmosphere into the human body.
Draw a diagram of respiratory system and label the following.
Aerobic respiration produces more ATP than anaerobic respiration. Justify this statement
Assertion : The release of energy in
Reason : Each glucose molecules produces
While breathing out, point out the changes you think occur in diaphragm and intercoastal muscles.
Assertion : Haemoglobin is the respiratory
Reason : It transports oxygen in the human body
Why does the air passage not collapse when there is no air in it?
When we breathe out, why does the air passage not collapse
Breathing cycle is an essential process for the exchange of gases. Justify this statement
Draw a flawchart to show the breakdown of glucose by various pathways.
Explain the process of breakdown of glucose in a cell
Name the intermediate and end products of breakdown of glucose in aerobic respiration.
What are the different ways in which glucose is oxidised
Explain the three pathways of breakdown of glucose in living organisms
If a person holds his breath after expiration for about 25 sec, would there be occurrence of any exchange of respiratory gases in ..
(i) A product is formed in the cytoplasm of our muscles
(ii) Differentiate between fermentation in yeast and aerobic
When air is blown from mouth into a test-tube containing
What is the role of respiratory pigment in respiration? Give one example.
What is the logic behind the heavy breathing as we climb up a mountain?
The correct sequence of anaerobic reaction in yeast is
With a schematic diagram, explain the overall process of respiration in animals
During vigorous physical exercise
Which cell organelle is involved in
Tabulate adaptations of terrestrial respiration in human being
What advantage over an aquatic organism does
Which of the following structures is involved in
What are the different ways in which glucose is
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
State one word for the following
Which is the correct sequence of air passage during inhalation;
Which of the following statements are true about respiration?
Distinguish between aquatic and terrestrial respiration
How is oxygen and carbon dioxide transported in human beings?
Which substances are produced by anaerobic respiration in yeast?
How are the alveoli designed to maximise the exchange of gases?
Name the cell organelle in which breakdown of pyruvate to give CO2, water and energy takes place
Identify the parts correctly matched with description given below
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