Advertisements
Advertisements
प्रश्न
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
पर्याय
Oxygen
Hydrogen
Carbon dioxide
Nitrogen
उत्तर
During respiration, Carbon dioxide gas is given out.
APPEARS IN
संबंधित प्रश्न
Mention any two components of blood.
The trachea divides into tow tubes at its lower end. What is the name of these tubes?
Name the red pigment which carries oxygen in blood.
Fill in the following blank with suitable word:
Gills are the breathing organs in ___________.
Why do the walls of trachea not collapse when there is less air in it?
How are oxygen and carbon dioxide exchanged in our body during respiration?
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
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?
It has been found that people living in very high mountains have many more red corpuscles in their blood than people living in plains. Which one of the following best accounts for this phenomenon?
Answer this question.
Name the organ of respiration in fishes.
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:
Mitochondria
State one function of the following:
Diaphragm
State one function of the following:
Intercostal muscles
Answer the following question.
How is O2 and CO2 transported in human beings?
Air that enters through the nose passes into this tube.
____________ is necessary for the respiration in plant.
What is common between extensive network of blood vessels around walls of alveoli and in glomerulus of nephron?
