Seventh Grade Science 7sci_csa_cell energy_ac QUIZ
1. Why is oxygen important for plants and animals?
A. It is part of the oxygen cycle
B. It is required for photosynthesis
C. It is part of the precipitation-evaporation cycle
D. It is required for cellular respiration
2. Liver cells require a great amount of energy. To release that energy there are many mitochondria in liver cells in order to conduct ______
A. photosynthesis
B. cellular respiration
C. diffusion
D. active transport
3. What do chloroplasts produce?
A. sunlight
B. glucose (sugar)
C. water (H2O)
D. oxygen (O2)
E. BOTH glucose and oxygen
4. Why do organisms need photosynthesis?
A. store energy in food
B. release carbon dioxide
C. release energy
D. release water
5. Which organisms benefit fromphotosynthesis?
A. consumers
B. heterotrophs
C. autotrophs
D. producers
E. all of the above
6.
A. photosynthesis
B. cellular respiration
C. fermentation
D. exocytosis
7. What is one of the reactants for cellular respiration?
A. glucose
B. carbon dioxide
C. solar energy
D. water
8. Where does cellular respiration take place?
A. nucleus
B. mitochondria
C. chloroplast
D. ribosome
9. What are the products for photosynthesis?
A. sugar and glucose
B. carbon dioxide and energy
C. sugar and oxygen
D. water and energy (ATP)
10. What “energy” molecule is produced as a result of cellular respiration?
A. ATP
B. Glucose
C. Sunlight
D. DNA
11. During respiration, the products of photosynthesis are changed into …
A. H2O, CO2, and Energy
B. Sugar and O2
C. Energy and O2
D. Sugar and H2O
12. What molecule does respiration use that fermentation is missing?
A. glucose
B. water
C. oxygen
D. light
13. Which organisms benefit from cell respiration?
A. plant cells only
B. animal cells only
C. both plant and animal cells
D. all cells except plant cells
14. Where does photosynthesis take place?
A. nucleus
B. mitochondria
C. ribosome
D. chloroplast
15. How do cells normally take in oxygen so that cellular respiration can take place?
A. endocytosis
B. osmosis
C. diffusion
D. active transport
16.
17.
A. The deer supplies food and oxygen to the green plants.
B. The deer supplies food and carbon dioxide to the green plants.
C. The green plants supply food and carbon dioxide to the deer.
D. The green plants supply food and oxygen to the deer.
18. To make food, what materials do plants need?
A. oxygen and carbon dioxide
B. water and glucose
C. oxygen and glucose
D. water and carbon dioxide
19.
What products of photosynthesis and reactants for respiration belong in the box to complete the cycle?
A. carbon dioxide and glucose
B. glucose and oxygen
C. oxygen and carbon dioxide
D. water and oxygen
20.
The diagram shows the carbon cycle. Which of the following processes is primarily involved in releasing carbon into the air?
A. combustion and respiration
B. decomposition and photosynthesis
C. photosynthesis alone
D. respiration and photosynthesis