**1.1 - Specimen set B1 Q1**

1) Figure 1 shows four different types of cell.

1.1) Which cell is a plant cell? Give one reason for your answer. [2 marks]

Cell:

Reason:

1.2) Which cell is an animal cell? Give one reason for your answer. [2 marks]

Cell:

Reason:

1.3) Which cell is a prokaryotic cell? Give one reason for your answer. [2 marks]

Cell:

Reason:

1.4) A scientist observed a cell using an electron microscope.

The size of the image was 25 mm.

The magnification was × 100 000

Calculate the real size of the cell.

Use the equation:

Cell:

Reason:

1.2) Which cell is an animal cell? Give one reason for your answer. [2 marks]

Cell:

Reason:

1.3) Which cell is a prokaryotic cell? Give one reason for your answer. [2 marks]

Cell:

Reason:

1.4) A scientist observed a cell using an electron microscope.

The size of the image was 25 mm.

The magnification was × 100 000

Calculate the real size of the cell.

Use the equation:

Give your answer in micrometres. [3 marks]

Real size = ..................................... micrometres

**(Total for Question 1 = 9 marks)**