SACE Stage 1 Biology Test Revision/Summary Questions
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Biology Test Revision Questions 1. Cell Structure What is a cell? What is an organism? What is cell theory? What is the nucleus? What are chloroplasts? What is cytoplasm? What is a uni cell? What is a multi cell? What is tissue? What is an organ? How are plant and animal cells different? List the similarities and differences between prokaryotic and eukaryotic cells. Explain why cells differ so much in size? Explain why cells are generally very small? What is the structure that separates cells from their outside environment? What is the function of the cell wall? Where is it found? What unit is a cell measured in? How do some substances pass through the cell membrane? 2. Microscopes Label the following microscope: How to prepare slides/wet mount? Why are stains important tools in studying cells? Disadvantages of using stains? Why do we use cell samples that are very thin? Why do we add water to specimens? 3. Diffusion & Osmosis What is diffusion? What is osmosis? What are factors that increase the rate of diffusion? What happens to red blood cells after placing them in a hypertonic solution? What happens to red blood cells after placing them in a hypotonic solution? Why do plant cells not burst when placed in a hypotonic solution? 4. Potato Practical Experiment What is the aim? What is the hypothesis? What is the independent variable? The dependent variable? Which goes on the x-axis, y-axis? Analyse the graph, describe the pattern of results shown. Describe the accuracy of the results. What is the difference between systematic and random errors? Give 2 examples of systematic and random errors.
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Topics:1. Cell structure2. Microscopes3. Diffusion and Osmosis4. Potato practical5. Cancer
Transcript of SACE Stage 1 Biology Test Revision/Summary Questions
Biology Test Revision Questions
1. Cell Structure What is a cell?
What is an organism?
What is cell theory?
What is the nucleus?
What are chloroplasts?
What is cytoplasm?
What is a uni cell?
What is a multi cell?
What is tissue?
What is an organ?
How are plant and animal cells different?
List the similarities and differences
between prokaryotic and eukaryotic cells.
Explain why cells differ so much in size?
Explain why cells are generally very small?
What is the structure that separates cells
from their outside environment?
What is the function of the cell wall? Where
is it found?
What unit is a cell measured in?
How do some substances pass through the
cell membrane?
2. Microscopes Label the following microscope:
How to prepare slides/wet mount?
Why are stains important tools in studying
cells?
Disadvantages of using stains?
Why do we use cell samples that are very
thin?
Why do we add water to specimens?
3. Diffusion & Osmosis What is diffusion?
What is osmosis?
What are factors that increase the rate of
diffusion?
What happens to red blood cells after
placing them in a hypertonic solution?
What happens to red blood cells after
placing them in a hypotonic solution?
Why do plant cells not burst when placed in
a hypotonic solution?
4. Potato Practical Experiment What is the aim?
What is the hypothesis?
What is the independent variable? The
dependent variable? Which goes on the x-
axis, y-axis?
Analyse the graph, describe the pattern of
results shown.
Describe the accuracy of the results.
What is the difference between systematic
and random errors?
Give 2 examples of systematic and random
errors.
If the length of the potato cylinder is more
than what it was originally, what is the
interpretation?
If the length of the potato cylinder is less
than what it was originally, what is the
interpretation?
How is the percentage weight change
calculated?
5. Cancer What is cancer?
What are the main treatments for cancer?
How is cancer diagnosed?
What are the causes of cancer?
What are some symptoms of cancer?
