Podcast
Questions and Answers
Which of the following is the MOST accurate description of a hypothesis in the scientific method?
Which of the following is the MOST accurate description of a hypothesis in the scientific method?
- A testable prediction based on prior knowledge and observation. (correct)
- A proven explanation of a natural phenomenon.
- A final conclusion drawn after analyzing experimental data.
- A summary of the results obtained from an experiment.
In an experiment designed to test the effect of fertilizer concentration on plant growth, which variable would be considered the independent variable?
In an experiment designed to test the effect of fertilizer concentration on plant growth, which variable would be considered the independent variable?
- The height of the plants after two weeks.
- The type of plant used in the experiment.
- The amount of sunlight each plant receives.
- The amount of fertilizer applied to each plant. (correct)
A researcher conducts an experiment but fails to control a key extraneous variable. What is the MOST likely consequence of this oversight?
A researcher conducts an experiment but fails to control a key extraneous variable. What is the MOST likely consequence of this oversight?
- Increased validity of the results.
- Reduced need for statistical analysis.
- Enhanced reproducibility of the experiment.
- Difficulty in determining cause-and-effect relationships. (correct)
Why is validity an important aspect to consider when designing and interpreting experiments?
Why is validity an important aspect to consider when designing and interpreting experiments?
Which of the following BEST describes the primary difference between plant and animal cells?
Which of the following BEST describes the primary difference between plant and animal cells?
Which of the following is the primary function of the cell membrane?
Which of the following is the primary function of the cell membrane?
Which of the following cellular organelles is responsible for generating energy through cellular respiration?
Which of the following cellular organelles is responsible for generating energy through cellular respiration?
Which type of graph is MOST appropriate for showing the distribution of student heights in a class?
Which type of graph is MOST appropriate for showing the distribution of student heights in a class?
What is the primary role of stem cells in the organization of tissues?
What is the primary role of stem cells in the organization of tissues?
What is the purpose of tabulating data during a scientific investigation?
What is the purpose of tabulating data during a scientific investigation?
Flashcards
What is magnification?
What is magnification?
The act of making something appear larger than it is, especially with an optical instrument.
What is a cell organelle?
What is a cell organelle?
A structure or specialized subunit within a cell that has a specific function.
What is a hypothesis?
What is a hypothesis?
A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation.
What are variables in an experiment?
What are variables in an experiment?
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What is validity in an experiment?
What is validity in an experiment?
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What are stem cells?
What are stem cells?
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Study Notes
- The NS Life Sciences test, named SBA02 TASK02 TEST, is for Grade 9 students
- It is scheduled for March 3, 2025, at 08:30
- The test duration is 45 minutes, including 10 minutes of reading time and 35 minutes of writing time
- The test is worth 35 marks
- There is only one attempt to open and submit the Test Quiz
- The test must be completed online on the due date and time
- A medical certificate MUST be submitted if the test is not written on the due date and time
Test Content: The Cell
- Focus on cell introduction, excluding specialized types of cells
- Understand microscope magnification, but not labelling or microscope activity
- Cell structure and organelles are included in the test
- There will be content from the plant vs animal cell section, including organelles
- Questions on the organisation of cells and stem cells are limited to definitions of words in bold
Test Content: The Scientific Method
- The test will focus on hypothesis and aim
- Variables will be in the test
- Tabulating information will be in the test
- An understanding of types of graphs and data is required
- No graph construction is needed
- Need a comprehension of the validity concept in an investigation or experiment
Test Structure
- Section A includes multiple-choice, terminology, matching columns, and dropdown answers
- Section A questions are knowledge-based, lower to medium order, short questions worth ±17 marks
- Section B involves interpreting information/data from images, tables, and/or graphs
- Section B includes applying knowledge and insight with medium to higher-order, and longer questions worth ±18 marks
Important Instructions
- All answers must be typed into the spaces provided
- Only study from Teneo modules
- Answers from other internet sources or Google searches will result in zero marks
- There will be no file upload questions in this test
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