What is the structure of a chloroplast and how does it relate to photosynthesis?
Photosynthesis: A Quiz for Grade 7 Students

Quiz
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Biology
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7th Grade
•
Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The structure of a chloroplast is specifically adapted for the process of photosynthesis, with the thylakoid membranes and chlorophyll allowing for the absorption of light energy and the conversion of that energy into chemical energy in the form of glucose.
Chloroplasts have no specific structure for photosynthesis
Chlorophyll is not involved in the structure of a chloroplast
The structure of a chloroplast is not related to photosynthesis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the process of light-dependent reactions in photosynthesis.
The process of light-dependent reactions in photosynthesis involves the conversion of light energy into chemical energy in the form of ATP and NADPH.
The process of light-dependent reactions in photosynthesis does not involve the absorption of light by chlorophyll
Light-dependent reactions in photosynthesis occur in the stroma of the chloroplast
The process of light-dependent reactions in photosynthesis involves the release of oxygen as a byproduct
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the steps involved in the Calvin cycle.
The steps involved in the Calvin cycle are carbon fixation, reduction, and regeneration of RuBP.
The steps involved in the Calvin cycle are mitosis, meiosis, and cytokinesis.
The steps involved in the Calvin cycle are photosynthesis, transpiration, and respiration.
The steps involved in the Calvin cycle are glycolysis, Krebs cycle, and electron transport chain.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the factors that can affect the rate of photosynthesis?
Nitrogen levels, cloud cover, and soil compaction
Light intensity, carbon dioxide concentration, temperature, and water availability
Soil pH, wind speed, and humidity
Oxygen concentration, plant height, and soil salinity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write down the chemical equation for photosynthesis and explain what each component represents.
6CO2 + 6H2O + light energy → C6H12O6 + 6H2O
6CO2 + 6H2O + light energy → C6H12O6 + 6O2
6CO2 + 6H2O + light energy → C6H12O6 + 6CO2
6CO2 + 6H2O + heat energy → C6H12O6 + 6O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is photosynthesis important for the survival of plants and other living organisms?
Photosynthesis is important because it produces carbon dioxide for respiration and water for hydration.
Photosynthesis is important because it produces glucose for energy and oxygen for other living organisms.
Photosynthesis is important because it produces nitrogen for plant growth and sunlight for warmth.
Photosynthesis is important because it produces minerals for plant nutrition and heat for metabolism.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the structure of a chloroplast contribute to its function in photosynthesis?
The structure of a chloroplast contributes to photosynthesis by storing excess water for the plant.
The structure of a chloroplast helps in absorbing carbon dioxide from the atmosphere.
The structure of a chloroplast, particularly the thylakoid membranes, provides the surface area and organization needed for the light-dependent reactions of photosynthesis to take place.
The structure of a chloroplast contributes to photosynthesis by regulating the plant's temperature.
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