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प्रश्न
Name the energy currency in the living organisms. When and where is it produced?
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उत्तर
The energy currency in the living organisms is adenosine triphosphate (ATP). It is produced in the mitochondria, during respiration.
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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
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Mention any two components of blood.
During respiration, the plants take CO2 and release O2.
Why do the walls of trachea not collapse when there is less air in it?
In cockroaches, air enters the body through:
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.
(a) What could be (i) X, (ii) Y, and (iii) Z?
(b) What is the process of converting sugar into substance Y by the action of X known as?
(c) What type of respiration is exhibited by X in the above process?
An animal in which the oxygenation of blood does not take place in the lungs is:
With regard to the respiratory system and the process of respiration in man, answer the following question:
What is meant by :
- Residual air and
- Dead air space
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
Answer the following question.
How is O2 and CO2 transported in human beings?
The major fraction of CO2 released during cellular respiration is transported by the blood to the lung capillaries ______
____________ is necessary for the respiration in plant.
Mark the following statement as True or False. Correct the false statement.
Exhaled air has more percentage of CO2 than inhaled air
Exchange of gases in the leaves takes place with the help of ______.
With the reference to four gases CO2, CO, Cl2 and O2, which one of the options in the table is correct?
