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Quiz on Unit 1 Cells, exchange and transport (F211) - cells, created by Jenni on 04/04/2015.

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Unit 1 Cells, exchange and transport (F211) - cells

Question 1 of 7

1

What is magnification ?

Select one of the following:

  • the degree to which the size of the an image is larger than the object itself. Expressed as x10

  • the degree to which it is possible to distinguish between two objects that are very close together.

  • the degree to which you can see the individual components of the cell

Explanation

Question 2 of 7

1

The light microscope can have a magnification of up to x 1500

Select one of the following:

  • True
  • False

Explanation

Question 3 of 7

1

The maximum resolving power of light is 2000mn

Select one of the following:

  • True
  • False

Explanation

Question 4 of 7

1

Why do sections of tissues need to be cut into thin slices for examination under a microscope

Select one of the following:

  • If the sample is too thick there would be too many cells overlapping each other so you would not be able to focus on the cells.

  • Light cannot penetrate thick slices of tissue, so no detail would be seen

Explanation

Question 5 of 7

1

what is the definition of staining (in microscopy)

Select one of the following:

  • any process that helps to reveal or distinguish different features.

  • The use of iodine to make transparent substances easier to see under a light microscope

Explanation

Question 6 of 7

1

Each type of organelle has a specific role in the cell what is this called

Select one of the following:

  • specialisation

  • differentiation

  • division of labour

  • ultrastructure

Explanation

Question 7 of 7

1

What are the features found in an animal cell.

Select one or more of the following:

  • Ribosome

  • Chloroplast

  • Rough Endoplasmic Reticulum and Smooth Endoplasmic Reticulum

  • Mitochondrion

  • Nucleolus, nuclear envelope and nucleus

  • Cell Wall

  • Cell membrane

  • Golgi Apparatus

  • Vacuole

  • Lysosome

Explanation