Osmosis MCQs
Osmosis MCQs
Answer these Osmosis MCQs and see how sharp is your knowledge of Osmosis. Scroll down and let's start!
1: This plant cell is _____.
A. Losing water.
B. Lysing.
C. In an isotonic solution.
D. In a hypotonic solution
2: Of the molecules below, only __________ is polar.
A. NH3
B. I2
C. CO2
D. CCI4
3: Crenation (shrinking) is likely to occur in blood cells immersed in ________.
A. Blood plasma
B. An isotonic solution
C. A hypertonic solution
D. A hypotonic solution
4: What is osmosis?
A. The movement of particles from an area of lower concentration to an area of higher concentration
B. The movement of water molecules from an area of higher concentration to an area of lower concentration through a semipermeable membrane
C. The movement of gases in and out of the lungs during respiration
D. The breakdown of food into smaller molecules during digestion
5: Which type of solution has a higher concentration of solute compared to another solution?
A. Hypotonic solution
B. Hypertonic solution
C. Isotonic solution
D. Saturated solution
6: When a red blood cell is placed in a hypertonic solution, what happens to the cell?
A. The cell gains water and swells
B. The cell loses water and shrinks
C. The cell remains unchanged
D. The cell bursts
7: In osmosis, water moves across the membrane to equalize the concentration of solute on both sides. This process continues until:
A. There is no solute present on either side of the membrane
B. The concentration of solute becomes equal on both sides
C. The concentration of water becomes equal on both sides
D. The volume of the solution decreases
8: What type of membrane allows the passage of water but restricts the movement of solute particles?
A. Permeable membrane
B. Semipermeable membrane
C. Impermeable membrane
D. Porous membrane
9: Which statement is true about the direction of water movement in osmosis?
A. Water always moves from a hypotonic solution to a hypertonic solution
B. Water always moves from a hypertonic solution to a hypotonic solution
C. Water always moves from a region of higher solute concentration to a region of lower solute concentration
D. Water movement is random and cannot be predicted
10: What happens to a plant cell when it is placed in a hypotonic solution?
A. The cell loses water and shrinks
B. The cell gains water and swells
C. The cell remains unchanged
D. The cell bursts
11: Which of the following factors does NOT affect the rate of osmosis?
A. Temperature
B. Size of the solute particles
C. Concentration gradient of the solute
D. Surface area of the membrane
12: What is the process called when water moves out of a plant cell due to the loss of water pressure?
A. Osmosis
B. Turgor pressure
C. Plasmolysis
D. Deplasmolysis
13: In a dialysis machine used for kidney patients, osmosis is employed to:
A. Prevent the movement of solutes across a membrane
B. Filter waste products from the blood by allowing only water to pass through
C. Remove excess water from the blood by allowing it to move across a semipermeable membrane
D. Promote the movement of solutes from a low concentration area to a high concentration area
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Osmosis MCQs
