A Flask Containing Photosynthetic Green Algae and a Control Flask

question 42

Multiple Choice

A flask containing photosynthetic green algae and a control flask containing water with no algae are both placed under a bank of lights, which are set to cycle between 12 hours of light and 12 hours of dark. The dissolved oxygen concentrations in both flasks are monitored. Predict what the relative dissolved oxygen concentrations will be in the flask with algae compared to the control flask.

• A) The dissolved oxygen in the flask with algae will always be higher.
• B) The dissolved oxygen in the flask with algae will always be lower.
• C) The dissolved oxygen in the flask with algae will be higher in the light, but the same in the dark.
• D) The dissolved oxygen in the flask with algae will be higher in the light, but lower in the dark.
• E) The dissolved oxygen in the flask with algae will not be different from the control flask at any time.

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Definitions:

Sweaters

Clothing items made from wool or other yarn, designed to cover the upper body and provide warmth.

Marginal Rate of Substitution

The rate at which a consumer is willing to give up one good in exchange for another while maintaining the same level of utility or satisfaction.

Utility Maximization

The economic principle that individuals or firms aim to achieve the highest level of utility or satisfaction possible from their consumption or production choices, given their constraints.

Equilibrium Position

In the indifference curve model, the combination of two goods at which a consumer maximizes his or her utility (reaches the highest attainable indifference curve), given a limited amount to spend (a budget constraint).