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GCSE B1 Attempt 2
By Richard Hinchliffe
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Last updated over 5 years ago
10 questions
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How do mineral ions enter roots?
Diffusion
Osmosis
Active Transport
How are osmosis and diffusion different?
Osmosis only occurs in water.
Osmosis only occurs in water and moved through a semi-permeable membrane.
Osmosis occurs in fluids and moves from high to low concentration.
Define the function of a nucleus.
Controls the activity of the cell.
Controls what enters and leaves the cell.
Only contains genetic information.
How is a nerve cell adapted to its function?
Lots of mitochondria for respiration.
Long dendrites to carry electrical signals.
Good blood supply for respiration.
Which tissue in a plant is made of dead cells and carries water?
Phloem
Roots
Xylem
Which organelles are key to identifying if a cell is plant or animal?
Nucleus, cell wall, chloroplasts.
Vacuole, cell membrane, chloroplasts.
Vacuole, cell wall, chloroplasts.
Bacteria are an example of prokaryotic or eukaryotic cells?
Prokaryotic
Eukaryotic
Could be both
How would you avoid air bubbles under the cover slip when setting up a slide?
Use a mounted needle to lower the cover slip.
Carefully lower the cover slip.
Use two slides instead of a cover slip.
Name the five key parts of a microscope.
Stage, light, focuse, eyepiece, lens.
Stage, light, focus knob, eyepiece, lens.
Stage, light, focus knob, eyepiece, objective lens.
What is the equation for magnification?
Magnification = actual size / size of image
Magnification = size of image / actual size
Magnification = size of image x actual size