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Photosynthesis and Respiration Multiple Choice Test

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Photosynthesis and Respiration

Use your knowledge of Living Environment to answer all questions in the data set. You may need a calculator to answer some of the questions. Good Luck.

NOTE: If the question contains an image, clicking on it will enlarge it for easier viewing. If there is a "More Info" link after the question, clicking it will display additional content related to the question.

The process illustrated occurs within

The interaction between guard cells and a leaf opening would not be involved in

An enzyme known as rubisco enables plants to use large amounts of carbon dioxide. This enzyme is most likely active in the

Scientists studying ocean organisms are discovering new and unusual species. Which observation could be used to determine that an ocean organism carries out autotrophic nutrition?

Which of the following statements concerning this process is correct?

Which gas would most likely be found in the greatest amount in the bubbles?

Since oxygen gas is being released in the experiment shown, it can be inferred that the plant is

What substance did the plant shown most likely absorb from the water for the process that produces the oxygen gas?

In the transfer of energy from the Sun to ecosystems, which molecule is one of the first to store this energy?

Starch molecules present in a maple tree are made from materials that originally entered the tree from the external environment as

Which set of molecules is best represented by letters A and B?

Much of the carbon dioxide produced by green plants is not excreted as a metabolic waste because it

This reaction is most directly involved in the process of

Organisms that carry out only heterotrophic nutrition are found in

Which change in a sample of pond water could indicate that heterotrophic microbes were active?

In the experiment described, which procedure and resulting observation would help identify the jar that contains the euglena?

Which numbered set of terms best identifies the letters in the diagram below?

Which process illustrates a feedback mechanism in plants?

Which life functions are directly regulated through feedback mechanisms associated with the actions of the structures labeled X?

All life depends on the availability of usable energy. This energy is released when

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