Photosynthesis/Cellular Respiration Test Review

An experimental setup is shown below. Which hypothesis would most likely be tested using this setup?

• Light is needed for the process of reproduction.

• Glucose is not synthesized by plants in the dark.

• Protein synthesis takes place in leaves.

• Plants need fertilizers for proper growth.

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The graph below shows the results of an experiment in which a container of oxygen-using bacteria and strands of a green alga were exposed to light of different colors. Which statement best explains the results of this experiment?

• The rate of photosynthesis is affected by variations in the light.

• In all environments light is a vital resource.

• The activities of bacteria and algae are not related.

• Uneven numbers and types of species can upset ecosystem stability

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The diagram below illustrates the movement of materials involved in a process that is vital for the energy needs of organisms. The process illustrated occurs within

• chloroplast

• mitochondria

• ribosomes

• vacuoles

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The diagram below represents events associated with a biochemical process that occurs in some organisms. Which statement concerning this process is correct?

• The process represented is respiration and the primary source of energy for the process is the Sun.

• The process represented is photosynthesis and the primary source of energy for the process is the Sun.

• This process converts energy in organic compounds into solar energy which is released into the atmosphere.

• This process uses solar energy to convert oxygen into carbon dioxide.

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In what way are photosynthesis and cellular respiration similar?

• They both involve organic and inorganic molecules

• They both require oxygen and produce carbon dioxide

• They both occur in chloroplasts

• They both require sunlight

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The equation below represents a summary for what biological process?

carbon dioxide + water --> glucose + water + oxygen

(more than one answer may be correct)

• photosynthesis

• cellular respiraton

• autotrophic nutrition

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A green plant is kept in a brightly lighted area for 48 hours/ What will most likely occur if the light intensity is reduced slightly during the next 48 hours?

• The rate at which oxygen is released from the plant will decrease

• The rate at which nitrogen is used by the plant will increase

• Photosynthesis will stop completely

• Glucose production inside each plant cell will increase

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Leaves of green plants contain openings known as stomates, which are opened and closed by specialized cells allowing for gas exchange between the leaf and the outside environment. Which phrase best represents the net flow of gases involved in photosynthesis into and out of the leaf through these openings on a sunny day?

• carbon dioxide moves in; oxygen moves out

• carbon dioxide and oxygen move in; ozone moves out

• oxygen moves in; nitrogen moves out

• water and ozone move in; carbon dioxide moves out

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The main result of aerobic respiration is the

• conversion of radiant energy into chemical energy

• production of lactic acid as an end product

• storage of energy in a polysaccharide

• production of ATP from the breakdown of glucose

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Which substance is needed for aerobic cellular respiration to occur?

• oxygen

• carbon dioxide

• nitrogen

• methane

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