(2) Describe how does the colour of the mycelium change after a few 1.5 days? (2) State the conclusion for this investigation. 1.6 (2) State TWO ways in which you could have ensured the validity of 1.7 this investigation. (2) State TWO ways in which the reliability of the investigation can be 1.8 ensured. (2) Draw a bar graph to show the growth of bread mould in different 1.9 temperature conditions using the results from your table. (6) 2. The diagram below is a micrograph of a wet mount preparation of bread mould (22) 60 μm D C B Micrograph of a wet mount preparation of Rhizopus. 2.1 Identify the parts labelled A, B, C and D. 2.2 Use the scale line to calculate the length of the structure labelled C. (Show all workings) (4) (3) (7) TOTAL PART B: (29)m
