PDF Photosynthesis and Central Dogma Honors Name: Date
Name:
Photosynthesis and Central Dogma Honors
1. Which molecule supplies the energy for cellular functions?
A. ATP
B. oxygen
C. DNA
Date: D. water
2. Which of the following gases do plants use in photosynthesis?
A. hydrogen
B. oxygen
C. carbon dioxide
D. carbon monoxide
3.
Which gas is forming in the test tube shown above?
A. carbon dioxide
B. hydrogen
C. oxygen
D. nitrogen
4. Which of the following is broken down in the body to release energy?
A. sugar
B. water
C. salt
D. oxygen
page 1
5. During photosynthesis in plants, what is the source of the carbon in the sugar molecule (C6H12O6)?
A. carbon dioxide in the air C. carbon particles in the soil
B. carbon monoxide in the air D. carbon particles in water
6. Which molecule in plant cells rst captures the radiant energy from sunlight?
A. glucose
B. carbon dioxide
C. chlorophyll
D. adenosine triphosphate
7. The rst stage of photosynthesis in a chloroplast is
A. light-dependent. C. glucose-driven.
B. temperature-dependent. D. ATP-driven.
8. Which sequence of DNA bases would pair with the ones shown in the partial strand below?
A.
B.
C.
D.
page 2
Photosynthesis and Central Dogma Honors
9.
A strand of mRNA containing the repeating sequence AAGAAGAAGAAG could code for which of the following amino acid sequences?
A. lys?arg?glu?lys
B. ser?ser?glu?glu
C. lys?arg?lys?arg
D. lys?lys?lys?lys
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Photosynthesis and Central Dogma Honors
10.
Which of these statements is best illustrated by this diagram?
A. Animals under water eat plants. B. Land animals exhale oxygen into water. C. Water-dwelling animals breathe carbon dioxide. D. Plants can take in carbon dioxide from air or water.
11.
Photosynthesis
The following equation represents the process of photosynthesis in green plants.
What happens to most of the light energy during photosynthesis?
A. It is transformed into heat energy. C. It is changed into carbon dioxide.
B. It is transformed into chemical energy. D. It is changed into oxygen.
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Photosynthesis and Central Dogma Honors
12. Which statement about green plants is true?
A. Most green plants do not need food. B. Most green plants take in food through their roots. C. Most green plants take in food through their leaves. D. Most green plants manufacture their own food.
13. A student picked up Ball A o a shelf and threw it. Which of the following would show the ow of energy from its source?
A. Light energy from the sun ! chemical energy in food ! chemical energy in the student ! mechanical energy in the ball
B. Light energy from the sun ! chemical energy in the student ! chemical energy in food ! mechanical energy in the ball
C. Chemical energy in the student ! mechanical energy in the ball ! chemical energy in food ! light energy from the sun
D. Chemical energy in the student ! chemical energy in food ! mechanical energy in the ball ! light energy from the sun 2002
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Photosynthesis and Central Dogma Honors
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