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प्रश्न
The exchange of gases in the leaves takes place with the help of __________.
उत्तर
The exchange of gases in the leaves takes place with the help of stomata.
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संबंधित प्रश्न
What would happen if all the green plants disappear from the earth?
Which part of roots is involved in the exchange of respiratory gases?
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
The trachea divides into tow tubes at its lower end. What is the name of these tubes?
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
Name the type of respiration in which the end product is:
C2H5OH and CO2
Give one example where such a respiration can occur.
State the three common features of all the respiratory organs like skin, gills and lungs.
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
Why do the walls of trachea not collapse when there is less air in it?
Which of the following is correct for the process of anaerobic respiration?
| Carbon dioxide always produced | A lot of energy released | |
| (a) | No | Yes |
| (b) | No | No |
| (c) | Yes | No |
| (d) | Yes | Yes |
Which of the following is known as the energy currency of the cells in biology?
Which of the following is most likely to have a much higher breathing rate?
Differentiate between
External respiration and Internal respiration
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Diaphragm and _____________.
State one function of the following:
Pleural fluid
Match the items in Column A with those in Column B.
|
Column A |
Column B |
|
Cartilaginous |
Epiglottis |
|
Large surface area |
Diaphragm |
|
Breathing movements |
Bronchi |
|
Voice |
Alveoli |
|
Complemental air |
Larynx |
|
Swallowing |
Extra inhalation |
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
The major fraction of CO2 released during cellular respiration is transported by the blood to the lung capillaries ______
What percent of oxygen is transported in a dissolved state by the plasma?
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
