Question 1
Which physical property of water is primarily responsible for its ability to absorb large amounts of heat energy without experiencing a drastic change in temperature?
Correct Answer:
High specific heat capacity
Question 2
The upward movement of water through xylem vessels in tall plants relies on the force of attraction between water molecules and the hydrophilic cell walls of vessel elements. What is this phenomenon called?
Correct Answer:
Adhesion
Question 3
What primary buffer system maintains human blood plasma pH within the narrow physiological range of 7.35 to 7.45?
Correct Answer:
Bicarbonate / carbonic acid buffer system
Question 4
When human red blood cells are placed in a concentrated (hypertonic) sodium chloride solution, water leaves the cells by osmosis. What happens to the erythrocytes?
Correct Answer:
Crenation
Question 5
Which inorganic bioelement functions as an essential cofactor for chlorophyll and is required for muscle contraction and enzymatic ATP cleavage?
Correct Answer:
Magnesium (Mg2+)
Question 1
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Prepare with the Aragón PAU Biology Practice Questions - Aragón PAU Biology (Biología 2o Bachillerato) Exam practice quiz. This question bank includes 100 questions covering cells, cell, transport, water, and enzyme. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Aragón PAU Biology Practice Questions - Aragón PAU Biology (Biología 2o Bachillerato) Exam

This practice set contains 100 questions from the matching question bank and focuses on cells, cell, transport, water, and enzyme. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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