Gaseous Exchange

Quiz
•
Biology
•
12th Grade
•
Hard
Standards-aligned
S Suzilawati
Used 918+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Most of the carbon dioxide produced by the body tissue is transported to the lungs in the form of …
Carbonic acid.
Blood plasma.
Bicarbonate ion.
Carbaminohaemoglobin.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In the chloride shift, ________________ move into the erythrocyte to replace the ______________ that move out.
Chloride ions; carbon dioxide molecules.
Carbon dioxide molecules; chloride ions.
Bicarbonate ions; chloride ions.
Chloride ions; bicarbonate ions.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oxyhaemoglobin gives up O2 when …
CO2 concentrations are high.
Body temperature is lowered.
pH values are high.
O2 concentrations are higher.
Tags
NGSS.HS-LS1-3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The Bohr shift occurs in region of …
Increased partial pressure of oxygen.
Decreased partial pressure of oxygen.
Increased partial pressure of carbon dioxide.
Decreased partial pressure of carbon dioxide.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The acidity due to the accumulation of H+ in erythrocytes is buffered by …
Haemoglobin.
Plasma proteins.
Carbon dioxide.
Oxygen.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
When chemoreceptors detect a slight decrease in pH, this means that _______________ concentrations have increased, and the breathing rate must ________________ .
Carbon dioxide; increase.
Carbon dioxide; decrease.
Oxygen; increase.
Oxygen; decrease.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Carbonic anhydrase in the erythrocytes …
Catalyzes the removal of oxygen from the erythrocytes.
Catalyzes the conversion of carbon dioxide into water.
Catalyzes the reaction of carbon dioxide with water to form carbonic acid.
Catalyzes the increase in blood pH.
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