Matter Cycling and Photosynthesis

Animals have to eat other things to get their food but plants can make it themselves. Plants are known as ‘_________’

• Consumers

• Heterotrophs

• Producers

• Decomposers

During photosynthesis plants take carbon dioxide from the air and water from the soil and convert it into…

• Glucose and Oxygen

• Chemical Energy

• Amino Acids

• Chlorophyll

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Which of the following is NOT needed in order for photosynthesis to take place…

• Chlorophyll

• Glucose

• Water

• Carbon Dioxide

• Light Energy

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Which of the following is NOT a product of photosynthesis…

• Carbon Dioxide

• Glucose

• Oxygen

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he equation below represents a summary of a biological process.

carbon dioxide + water → glucose + water + oxygen

• Mitochondria

• Ribosomes

• Cell membrane

• Chloroplast

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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 gasses 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 moves in; carbon dioxide moves out

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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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Where does all the carbon in organisms come from?

• Atmosphere

• Dead Plants

• Fossil Fuels

• Energy

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What organisms use most of the carbon?

• Animals

• Humans

• Plants

• Decomposers

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What do autotrophs produce?

• Glucose

• Fruits

• Starch

• Energy

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