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प्रश्न
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
विकल्प
Oxygen
Hydrogen
Carbon dioxide
Nitrogen
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उत्तर
During respiration, Carbon dioxide gas is given out.
APPEARS IN
संबंधित प्रश्न
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
Trace the movement of oxygenated blood in the body.
Where in the lungs does gas exchange take place?
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
Describe the process of respiration in the following part of a plant:
Root
From where do the aquatic animals obtain oxygen for breathing and respiration?
Which contains more carbon dixoide : exhaled air or inhaled air? Why?
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is ______.
In cockroaches, air enters the body through ______.
|
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. |
- What could be (i) X, (ii) Y, and (iii) Z?
- What is the process of converting sugar into substance Y by the action of X known as?
- What type of respiration is exhibited by X in the above process?
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Epiglottis and _____________.
State one function of the following:
Intercostal muscles
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 |
Air that enters through the nose passes into this tube.
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
Explain the three pathways of breakdown in living organisms.
Mark the following statement as True or False. Correct the false statement.
Exhaled air has more percentage of CO2 than inhaled air
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.
Type of respiration process in yeast ______.
