Expert Physics Tutoring

Q1. Knowledge Recall (1 mark)

Define the term aseptic technique. (1 mark)

Q2. Application of Knowledge (2 marks)

Explain why it is important to use aseptic technique when preparing a bacterial culture. (2 marks)

Q3. Extended Response (3 marks)

Describe the procedure for preparing a wet mount of a leaf epidermis. (3 marks)

Q4. Knowledge Recall (1 mark)

State which reagent is used to test for reducing sugars. (1 mark)

Q5. Application of Knowledge (2 marks)

Explain how you can calculate the magnification of an object viewed under a microscope. (2 marks)

Q6. Extended Response (4 marks)

Describe how you would investigate the effect of temperature on the rate of diffusion of a dye across a semi-permeable membrane. (4 marks)

Q7. Knowledge Recall (1 mark)

Define the term control variable. (1 mark)

Q8. Application of Knowledge (2 marks)

Suggest a suitable control variable for an investigation into the effect of light intensity on plant growth. (2 marks)

Q9. Extended Response (3 marks)

Describe how you would determine the reliability of data collected in a biology experiment. (3 marks)

Q10. Knowledge Recall (1 mark)

Define the term precision. (1 mark)