Photosynthesis Regents

During the process of photosynthesis, green plants produce

• sunlight

• methane

• nitrogen

• sugar

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which substance in green plants needs to absorb sunlight during photosynthesis?

• chlorophyll

• cytoplasm

• oxygen

• water

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NGSS.MS-LS1-6

A green plant is kept under a bright light for 48 hours. What will happen if the amount of light is reduced slightly during the next 48 hours?

• Photosynthesis will stop completely.

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

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

• Sugar production inside each plant cell will increase.

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NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which statement describes the process of photosynthesis?

• Chemical energy from a sugar is changed into light energy.

• A sugar is obtained from the environment.

• Organic molecules are changed into inorganic food molecules.

• Light energy is changed into the energy of a sugar.

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NGSS.MS-LS1-6

In a green plant cell, photosynthesis takes place in the

• cell membrane

• chloroplasts

• nucleus

• cytoplasm

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NGSS.MS-LS1-6

Photosynthesis is the process by which green plants

• make their own oxygen

• make their own food

• reproduce new flowers

• undergo germination

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

The reaction shown below converts the energy from nutrients to ATP:

Glucose + Oxygen → Carbon Dioxide + Water + ATP

What is this process called?

• cyclosis

• diffusion

• cellular respiration

• glucose synthesis

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NGSS.HS-LS1-7

Plant cells can synthesize energy-rich organic molecules, and later break them down to extract that energy for performing life processes. These activities require direct interaction between the

• chloroplasts and vacuoles

• cell walls and ribosomes

• chloroplasts and mitochondria

• ribosomes and mitochondria

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NGSS.MS-LS1-2

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Most of the oxygen gas present in the atmosphere is produced as a result of

• photosynthesis

• cellular respiration

• dehydration synthesis

• decomposition

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NGSS.MS-LS1-6