Advertisements
Advertisements
प्रश्न
The mountaineers carry oxygen with them because ______.
विकल्प
At an altitude of more than 5 km, there is no air.
The amount of air available to a person is less than that available on the ground.
The temperature of air is higher than that on the ground.
The pressure of air is higher than that on the ground.
Advertisements
उत्तर
The mountaineers carry oxygen with them because the amount of air available to a person is less than that available on the ground.
APPEARS IN
संबंधित प्रश्न
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
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.
Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.
State one function of the following:
Diaphragm
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?
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
____________ is the maximum amount of air that the lungs can hold after a maximum forceful inspiration.
With which of the following haemoglobin combines to form carboxyhaemoglobin?
Which of the following is an incorrect statement?
With the reference to four gases CO2, CO, Cl2 and O2, which one of the options in the table is correct?
