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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
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
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
List the differences between aerobic and anaerobic respiration.
The mountaineers carry oxygen with them because ______.
What would happen if all the green plants disappear from the earth?
Fill in the following blank with suitable word:
The organs of respiration in man are the _____________.
What is meant by aquatic animals and terrestrial animals?
Explain how, the air we breathe in gets cleaned while passing through the nasal passage.
Which of the following is the correct sequence of air passage during inhalation?
(a) nostrils → larynx → pharynx → trachea → lungs
(b) nasal passage → trachea → pharynx → larynx → alveoli
(c) larynx → nostrils → pharynx → lungs
(d) nostrils → pharynx → larynx → trachea → alevoli
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Mitochondria and _____________.
How is the respiratory passage kept free of dust particles?
Given below is an overall chemical reaction of a certain process:
C6H12O6→LacticAcid+2ATP+Heat enengy
Name one tissue in which this reaction occur.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
____________ is necessary for the respiration in plant.
Lack of oxygen in muscles often leads to cramps among cricketers. This results due to:
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
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
Observe the figure carefully and answer the following questions.
- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
With the reference to four gases CO2, CO, Cl2 and O2, which one of the options in the table is correct?
List the similarities between aerobic and anaerobic respiration.
