When an Object Is Partly or Wholly Immersed in a Liquid

question 54

Multiple Choice

When an object is partly or wholly immersed in a liquid, it is buoyed up

• A)by a force equal to its own weight.
• B)by a force equal to the weight of liquid displaced.
• C)and floats in accord with Archimedes' principle.
• D)all of the above
• E)none of the above

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Definitions:

Calvin Cycle

A set of chemical reactions that take place in the chloroplasts of photosynthetic organisms to synthesize glucose from carbon dioxide and water, using ATP and NADPH produced in the light reactions.

Rubisco

An enzyme involved in the first major step of carbon fixation, a process by which atmospheric carbon dioxide is converted by plants to energy-rich molecules.

Photorespiration

The process that reduces the efficiency of photosynthesis in C3 plants during hot spells in summer; consumes oxygen and produces carbon dioxide through the degradation of Calvin cycle intermediates.

Rubisco

An enzyme that catalyzes the first step of carbon fixation in the process of photosynthesis.