1.
State what is meant by a eukaryotic cell. [1]
JD SCIENCE
Core biology — cells, molecules, microbiology and immunology
Answer all questions. Show working. Answers are in a separate file on the Worksheets page — do not look at them until you have finished.
2.
State what is meant by a prokaryotic cell. [1]
3.
State what is meant by biological molecules. [1]
4.
State what is meant by an enzyme. [1]
5.
State what is meant by DNA. [1]
6.
State what is meant by the cell cycle. [1]
7.
State what is meant by a pathogen. [1]
8.
State what is meant by the immune response. [1]
9.
State what is meant by transport in organisms. [1]
10.
State what is meant by microbiology. [1]
11.
Pat is asked about a eukaryotic cell in a Pearson Science paper.
(a) Describe a eukaryotic cell. [2]
(b) Explain why a eukaryotic cell is important in this topic. [3]
12.
Pat is asked about a prokaryotic cell in a Pearson Science paper.
(a) Describe a prokaryotic cell. [2]
(b) Explain why a prokaryotic cell is important in this topic. [3]
13.
Pat is asked about biological molecules in a Pearson Science paper.
(a) Describe biological molecules. [2]
(b) Explain why biological molecules is important in this topic. [3]
14.
Pat is asked about an enzyme in a Pearson Science paper.
(a) Describe an enzyme. [2]
(b) Explain why an enzyme is important in this topic. [3]
15.
Pat is asked about DNA in a Pearson Science paper.
(a) Describe DNA. [2]
(b) Explain why DNA is important in this topic. [3]
16.
Pat is asked about the cell cycle in a Pearson Science paper.
(a) Describe the cell cycle. [2]
(b) Explain why the cell cycle is important in this topic. [3]
17.
Magnification = 12 mm / 8 µm. Magnification? [3]
18.
A culture doubles every 30 min. Cells from 1 after 3 h? [3]
19.
Enzyme rate 18 cm³ in 3 min. Mean rate? [3]
20.
A DNA sample is 20% adenine. Percentage thymine? [3]
21.
Cfu: 45 colonies from 0.1 cm³ of a 10⁻⁴ dilution. cfu/cm³? [3]
22.
SA:V of a 2 cm cube [3]
23.
Pat carries out a T-Level occupational task on T-Level core biology. This is a typical Pearson required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
24.
Pat carries out writing or following an SOP for T-Level core biology. This is a typical Pearson required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
25.
Pat carries out a COSHH / risk-assessment review for T-Level core biology. This is a typical Pearson required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
26.
Pat carries out data review in a LIMS or quality log for T-Level core biology. This is a typical Pearson required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
27.
Compare a eukaryotic cell with an enzyme. [4]
28.
Compare a prokaryotic cell with DNA. [4]
29.
Compare biological molecules with the cell cycle. [4]
30.
Compare an enzyme with a pathogen. [4]
31.
Apply your knowledge of a pathogen to this situation: bacteria, viruses, fungi, protozoa [3]
32.
Apply your knowledge of the immune response to this situation: phagocytes, antibodies, memory cells [3]