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Sample Question of the Day
Question:
In the process of cellular respiration, glucose and oxygen undergo chemical reactions to form new molecules. Select the correct sequence of events that describe how food is rearranged through these reactions to support the growth and release energy in an organism.
Answer Choices:
- A) Glucose and oxygen react to form carbon dioxide, water, and ATP.
- B) Glucose is broken down into oxygen, which combines with carbon dioxide to form ATP.
- C) Oxygen is converted into glucose and water, releasing carbon dioxide and energy.
- D) Carbon dioxide and water are rearranged to form glucose, releasing energy.
π‘ Explanation:
- In cellular respiration, glucose and oxygen are the reactants that undergo chemical reactions in the mitochondria of cells.
- These reactions form carbon dioxide, water, and ATP (adenosine triphosphate), which provides energy for cellular processes and supports growth.
Standard: MS-LS1-7 | DOK: 3
Recent Questions
After a long day at school, Maria decided to bake some cookies. "Mom, do we have chocolate chips?" she asked. Her mother replied, "Yes, they are in the pantry, right next to the flour." Excitedly, Maria began gathering the ingredients, her mind already imagining the delicious treats.
Question:
Identify and explain the use of commas in the sentence: '"Mom, do we have chocolate chips?" she asked.'
π‘ Explanation:
- The comma after 'Mom' separates the direct address from the rest of the sentence, following the standard rule for using commas to indicate direct address.
- This helps clarify who is being spoken to within the sentence.
Standard: L.WF.5.2.g | DOK: 3
Question:
Consider the function f(x) = -2(x - 1)^2 + 3. Which of the following statements best describes the key features of the graph of the function?
Answer Choices:
- A) A) The graph is a parabola that opens upwards with vertex at (1, 3), and it intersects the y-axis at (0, -1).
- B) B) The graph is a parabola that opens downwards with vertex at (1, 3), and it intersects the y-axis at (0, 1).
- C) C) The graph is a parabola that opens downwards with vertex at (1, 3), and it intersects the y-axis at (0, 1).
- D) D) The graph is a parabola that opens upwards with vertex at (1, 3), and it intersects the y-axis at (0, -1).
π‘ Explanation:
The function f(x) = -2(x - 1)^2 + 3 is a quadratic function in vertex form, where (h, k) = (1, 3) is the vertex.
The negative coefficient of the squared term (-2) indicates that the parabola opens downwards.
To find the y-intercept, substitute x = 0 into the function: f(0) = -2(0 - 1)^2 + 3 = -2(1) + 3 = -2 + 3 = 1.
Therefore, the y-intercept is (0, 1).
Standard: F.IF.C.1 | DOK: 4
Question:
In an upcoming local election, the city council is deciding whether to implement a new public transportation system to reduce traffic congestion and pollution. Citizens have expressed both support and opposition to this initiative. Supporters argue it will lead to a cleaner environment and more accessible city, while opponents believe the costs are too high and it may not be used enough to justify the investment. As a concerned citizen, deliberate on this issue by considering these opposing arguments. Develop a reasoned conclusion on whether the city should move forward with the new public transportation system.
π‘ Explanation:
- This question requires students to evaluate both sides of a public issue, consider the implications, and develop a well-reasoned conclusion.
- Students should weigh the environmental and accessibility benefits against the financial costs and potential underuse risks, demonstrating high-level critical thinking and reasoning skills.
Standard: 6.3.8.CivicsPD.1 | DOK: 4
Question:
Which of the following statements accurately describe the role of religion and economics in shaping an empire's social hierarchy and its impact on different groups of people? Select all that apply.
Answer Choices:
- A) Religion often dictated the social status of individuals, with clergy typically holding high positions in the hierarchy.
- B) Economic wealth was unrelated to social standing in most empires.
- C) Merchants and traders could gain higher social status through economic success, impacting their influence in society.
- D) Social hierarchies were static and did not change over time regardless of religious or economic factors.
- E) Religious leaders often had significant influence over political decisions, reinforcing their high social status.
- Religion often dictated the social status of individuals, with clergy typically holding high positions in the hierarchy.
- Merchants and traders could gain higher social status through economic success, impacting their influence in society.
- Religious leaders often had significant influence over political decisions, reinforcing their high social status.
π‘ Explanation:
- In many empires, religion played a crucial role in determining social status, with clergy often at the top of the hierarchy.
- Additionally, economic success allowed merchants and traders to gain higher status, influencing their role and power within society.
- Religious leaders also frequently held significant political influence, reinforcing their high status.
Standard: 6.2.8.HistoryCC.4.f | DOK: 2
Question:
Which of the following medieval English legal and constitutional practices have influenced modern democratic thought and institutions? Select all that apply.
Answer Choices:
- A) The Magna Carta
- B) The Code of Hammurabi
- C) Development of habeas corpus
- D) Feudalism
- E) An independent judiciary
- F) The Roman Twelve Tables
π‘ Explanation:
- The Magna Carta established the principle that everyone, including the king, was subject to the law, influencing the concept of rule of law in modern democracies.
- The development of habeas corpus provided a legal procedure to protect individual freedom against arbitrary state action, which is a fundamental principle in modern legal systems.
- An independent judiciary ensures that the judicial branch is separate and not influenced by the other branches of government, a key element in modern democratic systems.
Standard: 6.2.8.CivicsDP.4.a | DOK: 2
Question:
A scatter plot shows a set of data points that suggest a linear association. Which of the following best describes the process of fitting a linear function to this data?
Answer Choices:
- A) Calculate the mean of all data points
- B) Draw a straight line that best represents the data points
- C) Connect all data points with a zigzag line
- D) Find the median of the data points
π‘ Explanation:
Fitting a linear function to a scatter plot involves drawing a straight line that best represents the general trend of the data points.
This is often done using a method called 'least squares' to minimize the differences between the data points and the line.
Standard: S.ID.B.6c | DOK: 1