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unit test 1 flashcards
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Card 1
What is the primary cross-cutting concept that will be discussed in relation to photosynthesis and cellular respiration?
- A. Energy & Matter
- B. Cause & Effect
- C. Structure & Function (correct)
- D. Systems & System Models
Card 2
According to the agenda, what topic was covered in the class immediately preceding the introduction to photosynthesis and cellular respiration?
- A. Photosynthesis
- B. Cellular Respiration
- C. Cell Transport & CFA #5 (correct)
- D. Light Reactions and Calvin Cycle
Card 3
What specific student learning objective (SWBAT) is associated with the study of relationships between structures and functions in living cells?
- A. To define photosynthesis and cellular respiration.
- B. To identify the inputs and outputs of cellular processes.
- C. To analyze the relationships between structures and functions in living cells. (correct)
- D. To describe the Krebs cycle and glycolysis.
Card 4
What is the expected focus of instruction regarding photosynthesis and respiration, according to the clarification statement for SB1e?
- A. Primarily on the historical discovery of these processes.
- B. On the genetic factors influencing cellular energy.
- C. On understanding inputs, outputs, functions, and major sub-processes of photosynthesis and respiration. (correct)
- D. On comparing these processes in plants versus animals.
Card 5
Which of the following sub-processes is explicitly mentioned as part of the focus for understanding photosynthesis?
- A. Glycolysis
- B. Krebs cycle
- C. Electron transport chain
- D. Light reactions (correct)
Card 6
How does the cross-cutting concept of 'Structure & Function' relate to the study of living cells?
- A. It primarily focuses on the energy flow within ecosystems.
- B. It helps in understanding the historical development of cell theory.
- C. It enables the analysis of how cellular structures perform specific roles. (correct)
- D. It is used to categorize different types of organisms.
Card 7
What is the primary role of photosynthesis and respiration in the cycling of matter and flow of energy within the cell, as per the learning objective SB1e?
- A. To generate heat for cellular processes.
- B. To store genetic information.
- C. To cycle matter and flow energy within the cell. (correct)
- D. To regulate cell division.
Card 8
What is the connection between the 'Cross Cutting Concept' and the 'SWBAT' for the upcoming topic?
- A. The concept is an alternative to the SWBAT.
- B. The concept is unrelated to the SWBAT.
- C. The concept provides the framework for achieving the SWBAT's analytical goals. (correct)
- D. The SWBAT dictates the cross-cutting concept.
Card 9
Which of the following is NOT explicitly listed as a major sub-process of cellular respiration to be covered?
- A. Glycolysis
- B. Krebs cycle
- C. Electron transport chain
- D. Calvin cycle (correct)
Card 10
What type of organism is specifically mentioned as an example for investigating the roles of photosynthesis and respiration?
- A. Mammalian cells
- B. Fungi
- C. Single-celled alga (correct)
- D. Vascular plants
Card 11
Define photosynthesis based on its location and primary energy source.
Photosynthesis is a chemical reaction that occurs exclusively in plant cells, specifically within the chloroplasts, where it absorbs sunlight as its primary energy source.
Card 12
What are the essential reactants required for the process of photosynthesis?
The essential reactants for photosynthesis are carbon dioxide (CO2), water (H2O), and sun energy.
Card 13
Identify the main products generated by the chemical reaction of photosynthesis.
The main products of photosynthesis are glucose (C6H12O6) and oxygen (O2).
Card 14
How do the reactants and products of photosynthesis relate to those of cellular respiration?
The reactants and products of photosynthesis are the exact opposite of those involved in cellular respiration. Photosynthesis uses CO2 and H2O to produce glucose and O2, while cellular respiration uses glucose and O2 to produce CO2 and H2O.
Card 15
Which organelle is responsible for absorbing sunlight during photosynthesis?
The chloroplast is the organelle responsible for absorbing sunlight during photosynthesis.
Card 16
Explain why photosynthesis is considered a 'chemical reaction only in plant cells'.
Photosynthesis is described as a chemical reaction only in plant cells because it is a metabolic process unique to plants and other autotrophs, enabling them to convert light energy into chemical energy in the form of glucose, a capability not found in animal cells.
Card 17
What is the chemical formula for glucose, one of the primary products of photosynthesis?
The chemical formula for glucose, a primary product of photosynthesis, is C6H12O6.
Card 18
What is the role of 'sun energy' in the overall photosynthesis process?
Sun energy serves as the crucial energy input that drives the chemical reactions of photosynthesis, allowing plants to convert carbon dioxide and water into glucose and oxygen.
Card 19
If a plant is deprived of carbon dioxide, how would this impact its ability to perform photosynthesis?
If a plant is deprived of carbon dioxide, it would be unable to perform photosynthesis effectively because CO2 is a necessary reactant for the process, essential for the synthesis of glucose.
Card 20
Which of the following is a direct product of photosynthesis?
- A. Carbon dioxide (CO2)
- B. Water (H2O)
- C. Sun energy
- D. Oxygen (O2) (correct)
Card 21
In which cellular organelle does photosynthesis primarily take place?
- A. Chloroplast (correct)
- B. Mitochondria
- C. Nucleus
- D. Cytoplasm
Card 22
What do plants require for the photosynthesis process?
- A. a camera and tripod
- B. light, carbon dioxide, and water (correct)
- C. roots, flowers, and bees
- D. soil, air, and oxygen
Card 23
Which of the following is a reactant in photosynthesis?
- A. Glucose (C6H12O6)
- B. Oxygen (O2)
- C. H2O (correct)
- D. Stroma
Card 24
How does the Stroma contribute to the overall function of the chloroplast in photosynthesis?
The Stroma is a part of the chloroplast, and while the source does not detail its specific function, it is the site where the Calvin cycle occurs, utilizing the energy from the light reactions to fix carbon dioxide into glucose.
Card 25
Why is the relationship between photosynthesis and cellular respiration described as 'opposite'?
The relationship is described as 'opposite' because photosynthesis takes in carbon dioxide and water to produce glucose and oxygen, while cellular respiration consumes glucose and oxygen to release carbon dioxide and water, essentially reversing the chemical inputs and outputs.
Card 26
Identify the primary organelle where photosynthesis occurs.
Photosynthesis takes place in the chloroplast, which is an organelle found in plant cells and other eukaryotic organisms.
Card 27
What are the main structural components of a chloroplast involved in photosynthesis?
The main structural components of a chloroplast are the stroma, thylakoids (which stack to form grana), and lamellae, all of which play crucial roles in the different stages of photosynthesis.
Card 28
Distinguish between the reactants and products of photosynthesis.
The reactants of photosynthesis are carbon dioxide, water, and light energy, while the primary products are glucose (sugar) and oxygen. Reactants are consumed, and products are formed during the process.
Card 29
Which of these is a direct product of photosynthesis?
- A. Glucose (correct)
- B. Water
- C. Sunlight
- D. Carbon Dioxide
Card 30
Which of the following is NOT a reactant of photosynthesis?
- A. carbon dioxide
- B. oxygen (correct)
- C. water
- D. sun energy
Card 31
Which of the following is NOT a product of the light reactions?
- A. Oxygen
- B. NADPH
- C. ATP
- D. Glucose (Sugar) (correct)
Card 32
Where do the light reactions happen?
- A. mitochondria membrane
- B. thylakoid membrane (correct)
- C. stroma
- D. central vacuole
Card 33
What is the main purpose of the light-dependent reactions in photosynthesis?
The main purpose of the light-dependent reactions is to convert light energy into chemical energy in the form of ATP and NADPH. These energy-carrying molecules are then used in the subsequent light-independent reactions to synthesize glucose.
Card 34
What is the primary objective of the light-dependent reactions in photosynthesis?
- A. To provide the energy for the Calvin cycle (correct)
- B. To capture energy and make sugar
- C. To reflect green light
- D. To make sugars
Card 35
Which two specific products of the light reactions are essential inputs for the Calvin cycle?
- A. NAD and NADPH
- B. NADP + and Glucose
- C. NADPH and ATP (correct)
- D. Oxygen and NADPH
Card 36
How does the splitting of a water molecule contribute to the overall process of photosynthesis?
- A. It directly produces carbohydrates in the stroma.
- B. It reflects green light, which is then absorbed by the thylakoid membrane.
- C. It releases oxygen into the atmosphere and provides components for energy carriers. (correct)
- D. It combines with molecules of hydrogen to produce carbohydrates.
Card 37
Explain the role of the stroma in the context of photosynthesis, specifically in relation to the products of the light reactions.
- A. It is the site where sunlight is absorbed by chlorophyll.
- B. It is where water molecules are split into oxygen.
- C. It combines molecules of hydrogen to produce carbohydrates, using energy from light reactions. (correct)
- D. It stores the produced sugars before they are transported to other parts of the plant.
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