MCQ Collection
MDCAT 2026 MCQs
Practice MDCAT 2026 questions with answers and explanations.
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Correct Answer: C. It loses water and shrinks
Explanation:
Water moves out toward the higher solute concentration.
The cell undergoes crenation.
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Correct Answer: D. It becomes turgid
Explanation:
Water enters the cell and the vacuole expands.
The cell wall prevents bursting and creates turgor pressure.
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Correct Answer: A. It becomes turgid
Explanation:
Water enters the cell and the vacuole expands.
The cell wall prevents bursting and creates turgor pressure.
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Correct Answer: B. It becomes turgid
Explanation:
Water enters the cell and the vacuole expands.
The cell wall prevents bursting and creates turgor pressure.
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Correct Answer: C. Separation of the plant cell membrane from the wall after water loss
Explanation:
Plasmolysis occurs in a hypertonic environment.
The vacuole shrinks and the membrane pulls inward.
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Correct Answer: D. Separation of the plant cell membrane from the wall after water loss
Explanation:
Plasmolysis occurs in a hypertonic environment.
The vacuole shrinks and the membrane pulls inward.
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Correct Answer: D. Cellular uptake of extracellular fluid and dissolved substances
Explanation:
Pinocytosis is often called cell drinking.
Small vesicles form from the plasma membrane.
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Correct Answer: A. Cellular uptake of extracellular fluid and dissolved substances
Explanation:
Pinocytosis is often called cell drinking.
Small vesicles form from the plasma membrane.
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Correct Answer: B. It swells and may burst
Explanation:
Water enters the cell by osmosis.
Without a cell wall, excessive water entry can cause lysis.
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Correct Answer: C. It swells and may burst
Explanation:
Water enters the cell by osmosis.
Without a cell wall, excessive water entry can cause lysis.
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Correct Answer: D. It swells and may burst
Explanation:
Water enters the cell by osmosis.
Without a cell wall, excessive water entry can cause lysis.
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Correct Answer: D. 37
Explanation:
The differences are 3, 5, 7, and 9.
The next difference is 11, giving 26 + 11 = 37.
