Free Printable Unit 6 Exam Part 3: Photosynthesis

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Unit 6 Exam Part 3: Photosynthesis

Total questions: 14

Worksheet time: 25mins

Name

Class

Date

Plants get Energy from photosynthesis.

TRUE

FALSE

The process of converting sunlight energy into chemical energy stored in a molecule is called

Cellular respiration

Photosynthesis

Mitochondria

Carbon dioxide

One molecule given off by plants during photosynthesis is

Carbon dioxide

Water

Oxygen

Mitochondria

Photosythesis happens in a cell's

Mitochondria

Chloroplast

Nucleus

Cell Wall

What is an autotroph?

an organism that can make their own food.

an organism that cannot make their own food

Herbivore

Omnivore

Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?

The light-dependent stage

The light-independent stage

The electron transport chain

ATP formation

What molecule absorbs sunlight for photosynthesis?

chloroplast

thylakoid

grana

chlorophyll

Which term is the part of photosynthesis which uses ATP from the first stage in order to produce glucose? Hint: Occurs in the stroma!

light- independent reactions

cellular respiration

light- dependent reactions

photosynthesis

If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars?

More sugars will be produced.

The same number of sugars will be produced but without carbon dioxide.

No sugars will be produced.

Fewer sugars will be produced at first, but then the plant will recover.

10.

What two energy molecules are made by the light reaction? Select both answers.

NADPH

glucose

ATP

oxygen gas

11.

Which wavelengths of light do chlorophyll absorb the best

Green and red

Green and blue

Red and blue

Red green and blue

12.

Which of the following is NOT a product of the light reactions?

Oxygen

NADPH

ATP

Glucose (Sugar)

13.

Which of the following equations represents the overall chemical reaction for photosynthesis?

6O₂+ 6H₂O → C₆H₁₂O₆+ 6O₂

C₆H₁₂O₆ + 6H₂O→ 6O₂+ 6O₂

6CO₂+ 6H₂O→ C₆H₁₂O₆+ 6O₂

6O₂ + 6H₂O→ C₆H₁₂O₆ + 6CO₂

14.

What is the ultimate ORIGINAL source of energy for living things

Sugar

Sun

Moon

Carbon Dioxide

Reset

Unit 6 Exam Part 3: Photosynthesis

Total questions: 14

Worksheet time: 25mins

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