With a schematic diagram, explain the overall process of respiration in animals
Assertion : Haemoglobin is the respiratory
Reason : It transports oxygen in the human body
Describe the process of breathing in human beings.
During vigorous physical exercise
The correct sequence of anaerobic reaction in yeast is
(i) A product is formed in the cytoplasm of our muscles
(ii) Differentiate between fermentation in yeast and aerobic
What are the different ways in which glucose is oxidised
Explain the three pathways of breakdown of glucose in living organisms
Which of the following structures is involved in
Assertion : Respiration is a biochemical
Reason : Energy is released during respiration
Assertion : In woody plants
Reason : Lenticels are specialised cells
Aerobic respiration produces more ATP than anaerobic respiration. Justify this statement
Assertion : Lungs always contain
Reason : It provides sufficient time
What advantage over an aquatic organism does
Which is the correct sequence of air passage during inhalation;
Assertion : Exchange of oxygen and carbon
Reason : oxygen diffuses from alveoli to blood vessels
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
Name the cell organelle in which breakdown of pyruvate to give CO2, water and energy takes place
What is the role of respiratory pigment in respiration? Give one example.
Assertion : Larynx passes air to the pharynx
Reason : pharynx produces sound
Diffusion pressure cannot deliver oxygen all over the body in bigger animals. Comment on this statement.
Breathing cycle is an essential process for the exchange of gases. Justify this statement
If a person holds his breath after expiration for about 25 sec, would there be occurrence of any exchange of respiratory gases in ..
The following changes take place in an athletes body during a 100m race. which change occurs first?
The diagram shows the ribs and some of the muscles used in breathing.
Which of the following statements are true about respiration?
What are the different ways in which glucose is
How is oxygen and carbon dioxide transported in human beings?
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
Draw a flawchart to show the breakdown of glucose by various pathways.
Explain the process of breakdown of glucose in a cell
Identify the parts correctly matched with description given below
Each and every respiratory organ is structurally specialised in its function. Justify with examples
Write the pathway of oxygen travelling from atmosphere into the human body.
Assertion (A) : In the daytime, CO2 generated during respiration
Reason (R) : There is no CO2 release during day
The diagram shows part of the human gas exchange system.
What are the differences between aerobic and anaerobic respiration?
How are the alveoli designed to maximise the exchange of gases?
Draw a diagram of respiratory system and label the following.
Assertion : During inhalation, diaphragm flattens
Reason : Due to this, air enters the lungs
An experiment is set up as shown. flasks 1 and 2 contain lime water. Air is pumped through the flasks.
While breathing out, point out the changes you think occur in diaphragm and intercoastal muscles.
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