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Nuclear Fusion (physics Only) (GCSE Physics)

The following is a GCSE Physics test covering 'Nuclear Fusion (physics Only)' from the broader topic Atomic Structure. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What is a plasma, in the context of fusion reactors?
When mass is lost during a fusion reaction and converted into energy, which equation gives the energy released?
In a deuterium–tritium fusion reaction, what is the kinetic energy carrier that mainly heats the plasma?
Why are strong magnetic fields used in tokamak fusion devices?
What happens to the binding energy per nucleon as light nuclei fuse into heavier nuclei up to iron (Fe)?
Which energy source powers most stars, including the Sun, over their main life?
Why are helium nuclei (alpha particles) useful inside a fusion plasma such as an operating D–T plasma?
Which isotope is commonly used as fuel in proposed fusion power stations because it is abundant in seawater?
Which description best defines the “Coulomb barrier” in fusion?
Which of the following is a major engineering material problem for fusion power plants due to intense neutron flux?
Why is achieving net energy gain (Q > 1) in a fusion device challenging?