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- 1. Multiple Choice
Q.1 One of the key features of the cell membrane is the ___________________.
A. partial permeability
B. differential permeability
C. full permeability
D. free permeability
- 2. Multiple Choice
Q.2 Polarity of molecule is due to the ___________________.
A. equal sharing of bonding electrons
B. protons shared by atoms
C. unequal distribution of charge
D. electrons random movement
- 3. Multiple Choice
Q.3 The main component of the cell membrane is _______________.
A. electron
B. polar molecules
C. protons
D. phospholipid molecule
- 4. Multiple Choice
Q.4 Cell membrane allows______________ to pass through.
A. oxygen and carbon dioxide
B. big molecules
C. only water molecules
D. all molecules
- 5. Multiple Choice
Q.5 Polar molecules and ions has to pass through the _____________ of the cell membrane.
A. special channel protein or carrier protein
B. phospholipid bilayer
C. hydrophilic head
D. hydrophobic tail
- 6. Multiple Choice
Q.6 Name the model.
Mosaic protein model
B. Fluid model
C. Fluid mosaic model
D. protein model
- 7. Multiple Choice
P and Q are?
A.P-protein, Q-phospholipid
B.P-phospholipid, Q- protein
C.P-lipid, Q-fat
- 8. Multiple Choice
What substances can pass through the channel protein?
A. small polar molecules and ions
B. water and large molecules
C. ions and non-polar molecules
D. water and non-polar molecules
- 9. Multiple Choice
Another term used to describe the hydrophilic head is
A. water loving
B. water hating
C. water repelling
D. ions hating
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