Skip to content

Course home

Sign up

1.1 Cell structure

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283
Question 80
F44%

A student prepares a slide of onion epidermis tissue to view using a light microscope.

a.

Explain why the student adds iodine solution to the tissue.

[2]
b.

Explain why the piece of onion tissue must be only one cell thick.

[2]
c.

The student lowers the coverslip slowly and at an angle.

Give one reason why.

[1]
Markscheme

1.1 Cell structure Questions

  1. GCSE
  2. /Biology
  3. /1.1 Cell structure

282 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank