Question 1
Which of the following oceanographic terms defines a layer of the ocean where water density increases rapidly with depth?
Correct Answer:
Pycnocline
Question 2
How does the Coriolis effect influence the deflection of large-scale surface ocean currents in the Southern Hemisphere?
Correct Answer:
Deflects moving water to the left of its direction of motion
Question 3
When atmospheric carbon dioxide (CO2) dissolves into surface ocean waters, which sequence of chemical reactions primarily causes ocean acidification?
Correct Answer:
CO2 reacts with H2O to form carbonic acid (H2CO3), which dissociates into H+ and bicarbonate ions (HCO3-)
Question 4
Which visible wavelength spectrum of sunlight penetrates deepest into clear, open-ocean waters?
Correct Answer:
Blue light (~450-490 nm)
Question 5
Thermohaline circulation in the global ocean is primarily driven by spatial differences in which two physical properties of seawater?
Correct Answer:
Temperature and salinity
Question 1
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About this Exam

Prepare with the QCAA Marine Science EA Practice Questions - QCAA Marine Science External Assessment (Queensland) Exam practice quiz. This question bank includes 100 questions covering ocean, marine, reef, coral, and water. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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QCAA Marine Science EA Practice Questions - QCAA Marine Science External Assessment (Queensland) Exam

This practice set contains 100 questions from the matching question bank and focuses on ocean, marine, reef, coral, and water. 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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