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प्रश्न
Name the red pigment which carries oxygen in blood.
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उत्तर
Haemoglobin is the red pigment that is present in red blood cells. It carries oxygen in the blood.
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संबंधित प्रश्न
State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.
Given below are the end products of different reactions involving glucose.
Write the reaction number in front of the following:
(i) Anaerobic reaction =
(ii) Reaction in the human muscles =
(iii) Aerobic respiration =
(iv) Reaction in the plant cells =
(v) Reaction in the liver
How are the lungs designed in human beings to maximize the area for exchange of gases?
Which part of roots is involved in the exchange of respiratory gases?
What is the name of the extensions of the epidermal cells of a root which help in respiration?
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Name two animals which breathe through gills.
Where in the lungs does gas exchange take place?
What is the function of the respiratory system?
Describe the exchange of gases which takes place in the leaves of a plant
(a) during daytime, and (b) at night.
Internal respiration may be defined as:
Choose the odd one out in the following groups of four items each:
Diffusion, Respiratory gases, Alveoli, Capillary network
Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
State one function of the following:
Mitochondria
State one function of the following:
Diaphragm
Which of the following statement(s) is (are) true about respiration?
- During inhalation, ribs move inward and the diaphragm is raised
- In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from the blood into the alveolar air
- Haemoglobin has a greater affinity for carbon dioxide than oxygen
- Alveoli increase surface area for the exchange of gases
Which of the following equations is the summary of photosynthesis?
How does aerobic respiration differ from anaerobic respiration?
