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प्रश्न
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
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उत्तर
Diffusion
Air enters the stomatal opening in plant cells, after which the exchange of respiratory gases occurs by diffusion.
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संबंधित प्रश्न
How are the alveoli designed to maximise the exchange of gases?
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
What is the other name of wind-pipe?
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer.
Name the type of respiration in which the end product is:
Lactic acid
Give one example where such a respiration can occur.
Explain why, it is dangerous to inhale air containing carbon monoxide.
What is the function of the respiratory system?
Which of the following statements are correct?
- pyruvate can be converted into ethanol and carbon dioxide by yeast.
- fermentation takes place in the case of aerobic bacteria.
- fermentation takes place in mitochondria.
- fermentation is a form of anaerobic respiration.
The ______ blood cells make antibodies whereas ______ blood cells help in respiration.
Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
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 |
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
'C' shaped cartilage rings and ____________.
State one function of the following:
Mitochondria
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 |
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C6H12O6→LacticAcid+2ATP+Heat energy
Is this reaction applicable to animals or to plants or to both animals and plants?
Air that enters through the nose passes into this tube.
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The function of KOH is to absorb ______.
Name the energy currency in the living organisms. When and where is it produced?
