NEW
Font size
Worksheets7.1 Gaseous Exchange in Human
Total questions: 10
Worksheet time: 17mins
The ion found in the haem group is what
Mg2+
O2-
Fe2+
Fe3+
What is the name of the molecule formed when oxygen binds to haemoglobin?
oxyhaemoglobin
oxygen-haemoglobin
carbaminohaemlobin
oxyglobin
Haemoglobin is present in ______________________cells.
white blood cells
red blood cells
plasma
platelets
Which of the following is NOT the structure of haemoglobin?
Each haemoglobin molecule contains 4 haem group
Haemoglobin is a quaternary structure
Every each haem group in haemoglobin can bind with 4 molecule of oxygen
Each haemoglobin has 2 α-chain and 2 β-chain polypeptide subunits
I. High surface area
II. Thin walls
III. Dry surfaces
Which of the following reactions occur in erythrocytes in the pulmonary capillaries?
Hb + CO2 → HbCO2
H2CO3 → H+ + HCO3 -
Hb + O2 → HbO2
HbO2 → Hb + O2
An oxygen dissociation curve will shift to the right in what condition describe below.
Increased partial pressure of oxygen
Decreased partial pressure of oxygen
Increased partial pressure of carbon dioxide
Decreased partial pressure of carbon dioxide
What is the explanation for the effect?
