1.
State what is meant by ATP. [1]
JD SCIENCE
Energy for life
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 glycolysis. [1]
3.
State what is meant by the link reaction. [1]
4.
State what is meant by the Krebs cycle. [1]
5.
State what is meant by oxidative phosphorylation. [1]
6.
State what is meant by photosynthesis light-dependent reaction. [1]
7.
State what is meant by the Calvin cycle. [1]
8.
State what is meant by a limiting factor of photosynthesis. [1]
9.
State what is meant by a biomass transfer. [1]
10.
State what is meant by net primary production. [1]
11.
Jac is asked about ATP in a Eduqas Biology paper.
(a) Describe ATP. [2]
(b) Explain why ATP is important in this topic. [3]
12.
Jac is asked about glycolysis in a Eduqas Biology paper.
(a) Describe glycolysis. [2]
(b) Explain why glycolysis is important in this topic. [3]
13.
Jac is asked about the link reaction in a Eduqas Biology paper.
(a) Describe the link reaction. [2]
(b) Explain why the link reaction is important in this topic. [3]
14.
Jac is asked about the Krebs cycle in a Eduqas Biology paper.
(a) Describe the Krebs cycle. [2]
(b) Explain why the Krebs cycle is important in this topic. [3]
15.
Jac is asked about oxidative phosphorylation in a Eduqas Biology paper.
(a) Describe oxidative phosphorylation. [2]
(b) Explain why oxidative phosphorylation is important in this topic. [3]
16.
Jac is asked about photosynthesis light-dependent reaction in a Eduqas Biology paper.
(a) Describe photosynthesis light-dependent reaction. [2]
(b) Explain why photosynthesis light-dependent reaction is important in this topic. [3]
17.
NPP if GPP=80 and R=30 (arbitrary units) [3]
18.
Efficiency 12 000 kJ to 1 200 kJ [3]
19.
RQ of C₆H₁₂O₆: CO₂/O₂ [3]
20.
2 pyruvate from 1 glucose. How many CO₂ in two link reactions? [3]
21.
A plant fixes 6 CO₂. How many turns of Calvin cycle? [3]
22.
ATP from substrate-level phosphorylation per glucose in glycolysis [3]
23.
Jac carries out a Eduqas-style required practical linked to energy transfers. This is a typical Eduqas 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.
Jac carries out collecting valid data for energy transfers. This is a typical Eduqas 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.
Jac carries out drawing a graph for energy transfers. This is a typical Eduqas 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.
Jac carries out evaluating a method about energy transfers. This is a typical Eduqas 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 ATP with glycolysis. [4]
28.
Compare glycolysis with the link reaction. [4]
29.
Compare the link reaction with the Krebs cycle. [4]
30.
Compare the Krebs cycle with oxidative phosphorylation. [4]
31.
Apply your knowledge of the Calvin cycle to this situation: needs ATP and reduced NADP [3]
32.
Apply your knowledge of a limiting factor of photosynthesis to this situation: shown by plateaus on graphs [3]