Zoology - Breathing and Exchange of Gases Question with Solution | TestHub

ZoologyBreathing and Exchange of GasesHuman Respiratory SystemEasy2 minPYQ_2020

ZoologyEasysingle choice

The option depicting the correct partial pressures (in mm Hg) is:

Options:

Answer:

Solution:

Partial pressure which is the pressure contributed by a single gas alone in the mixture of gases. It is represented as pG, where G represents different gases. The table gives us the pressures of oxygen and carbon-di-oxide during the exchange of gases from alveoli to blood and blood to the tissues. Carbon-di-oxide has a higher solubility in the blood $(20 - 25)$ times than that of oxygen due to which the partial pressure of $C O_{2}$ is lower as compared to oxygen.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Breathing and Exchange of GasesSubtopic:Human Respiratory System

⏱ 2mℹ️ Source: PYQ_2020

Doubts & Discussion

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$p O_{2}$ in alveolar air	$p C O_{2}$ in deoxygenated blood	$p O_{2}$ in oxygenated blood	$p C O_{2}$ in tissues
$104$	$40$	$94$	$45$

$p O_{2}$ in alveolar air	$p C O_{2}$ in deoxygenated blood	$p O_{2}$ in oxygenated blood	$p C O_{2}$ in tissues
$94$	$45$	$104$	$40$

$p O_{2}$ in alveolar air	$p C O_{2}$ in deoxygenated blood	$p O_{2}$ in oxygenated blood	$p C O_{2}$ in tissues
$104$	$40$	$94$	$40$

$p O_{2}$ in alveolar air	$p C O_{2}$ in deoxygenated blood	$p O_{2}$ in oxygenated blood	$p C O_{2}$ in tissues
$104$	$45$	$94$	45