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प्रश्न
Which chemical compound inside a cell can be termed "Currency of Energy"?
उत्तर
ATP or Adenosine Triphosphate is termed as "Currency of Energy" of the cell.
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संबंधित प्रश्न
How are oxygen and carbon dioxide transported in human beings?
How are the lungs designed in human beings to maximize the area for exchange of gases?
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
Which part of roots is involved in the exchange of respiratory gases?
Name an animal which depends on simple diffusion of gases for breathing.
What is the other name of wind-pipe?
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
Explain how, the air we breathe in gets cleaned while passing through the nasal passage.
Why do the walls of trachea not collapse when there is less air in it?
Internal respiration may be defined as:
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
Out of xylem and phloem, which one carries materials upwards as well as downwards?
With which human organ system (or human systems) is alveoli associated?
A student has set up "CO2 is released during respiration”. After about 1 hour he observes no change in the water level in the delivery tube. Write two possible resons for the failure of the experiment.
Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Alveoli and _____________.
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 _____________.
State one function of the following:
Intercostal muscles
Given below is an overall chemical reaction of a certain process:
C6H12O6→LacticAcid+2ATP+Heat energy
Is this reaction applicable to animals or to plants or to both animals and plants?
With regard to the respiratory system and the process of respiration in man, answer the following question :
Give the overall chemical equation to represent the process of respiration in humans.
Identify the CORRECT sequence of events for the transport of respiratory gases.
What percent of oxygen is transported in a dissolved state by the plasma?
What is the ppCO2 in alveolar air?
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 is the correct sequence of air passage during inhalation?
Observe Figure 10.2 carefully and answer the following questions.
- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
Visit a local doctor. Learn about the harmful effects of smoking. You can also collect material on this topic from other sources. You can seek help of your teacher or parents. Find out the percentage of people of your area who smoke. If you have a smoker in your family, confront him with the material that you have collected.
