WorksheetsCalvin Cycle Quiz
Total questions: 15
Worksheet time: 45mins
What is the primary function of the Calvin Cycle?
To synthesize glucose from carbon dioxide and other compounds, providing energy for the plant.
To absorb sunlight and convert it into chemical energy.
To transport nutrients throughout the plant.
To facilitate the process of respiration in plants.
What are the overall inputs and outputs of the Calvin Cycle?
Carbon dioxide, ATP, NADPH (inputs); Glucose, ADP, NADP+ (outputs)
Oxygen, ATP, NADH (inputs); Glucose, ADP, NADP+ (outputs)
Carbon dioxide, ADP, NADPH (inputs); Glucose, ATP, NADP+ (outputs)
Nitrogen, ATP, NADPH (inputs); Glucose, ADP, NADP+ (outputs)
Which molecule is not involved in the light-dependent reactions?
Glucose
ATP
NADPH
Oxygen
What is the role of NADPH in the Calvin Cycle?
NADPH provides the energy needed for photosynthesis.
NADPH provides the reducing power needed to convert 3-PGA into G3P during the reduction phase of the Calvin Cycle.
NADPH is used to transport oxygen in the plant cells.
NADPH helps in the synthesis of glucose from carbon dioxide.
What happens to the G3P produced in the Calvin Cycle?
It is immediately converted into ATP.
It can be used to form glucose and other carbohydrates.
It is stored as starch in the chloroplasts.
It is released into the atmosphere as oxygen.
What are the three main phases of the Calvin Cycle?
Carbon fixation, reduction, and regeneration of ribulose bisphosphate (RuBP)
Photosynthesis, respiration, and fermentation
Light reaction, dark reaction, and electron transport chain
Oxidation, reduction, and phosphorylation
How many molecules of G3P are produced for every three molecules of CO2 that enter the Calvin Cycle?
1 molecule of G3P
2 molecules of G3P
3 molecules of G3P
4 molecules of G3P
What is the relationship between the light-dependent reactions and the Calvin Cycle?
The light-dependent reactions produce glucose, which is used in the Calvin Cycle.
The light-dependent reactions capture solar energy to produce ATP and NADPH, which are then used in the Calvin Cycle to convert carbon dioxide into glucose.
The Calvin Cycle occurs only at night, while the light-dependent reactions occur during the day.
The light-dependent reactions and the Calvin Cycle are independent processes that do not interact.
What is the role of ATP in the Calvin Cycle?
ATP is used to transport carbon dioxide into the chloroplasts.
ATP provides the energy required for the conversion of 3-PGA to G3P during the reduction phase of the Calvin Cycle.
ATP is involved in the synthesis of glucose from G3P.
ATP is responsible for the regeneration of RuBP in the Calvin Cycle.
What is the significance of glucose in plants?
Glucose is primarily used for photosynthesis.
Glucose serves as an energy source for plants and is a building block for other carbohydrates, such as starch and cellulose.
Glucose is a waste product of plant metabolism.
Glucose is used to absorb water from the soil.
What is the role of RuBisCO in the Calvin Cycle?
It catalyzes the first step of the Calvin Cycle, fixing carbon dioxide to ribulose bisphosphate (RuBP) to form 3-phosphoglycerate (3-PGA).
It transports glucose to the mitochondria for cellular respiration.
It synthesizes ATP from ADP and inorganic phosphate during photosynthesis.
It converts ribulose bisphosphate (RuBP) into glucose directly.
What is produced during the reduction phase of the Calvin Cycle?
Glyceraldehyde-3-phosphate (G3P)
Glucose
Oxygen
Carbon Dioxide
What is the Calvin Cycle?
A series of biochemical reactions that convert carbon dioxide into glucose using ATP and NADPH in the stroma of chloroplasts.
A process that occurs in the mitochondria to produce energy from glucose.
A method of photosynthesis that occurs only in plants during the night.
A cycle that describes the movement of water through the soil and plants.
What is the end product of the Calvin Cycle?
Oxygen
Glucose
Carbon Dioxide
Nitrate
What is the importance of the regeneration phase in the Calvin Cycle?
It produces glucose for energy.
It regenerates ribulose bisphosphate (RuBP), allowing the cycle to continue and enabling the fixation of more carbon dioxide.
It converts carbon dioxide into oxygen.
It stores energy in the form of ATP.
