However, MPs also heard from WJEC chief executive Gareth Pierce, who called for "shared standards" in the exams sat across the three countries.
Still, Mr Gove is presiding over a big shift in the way exams are handled.
The biggest changes have been in the way that the exams work.
In its own report into the controversy, published on 2 November, Ofqual concluded that pressure on schools in England to hit targets led to overgenerous marking of coursework by teachers and that, as a result, external examiners had to raise grade boundaries in the June exams.
BBC: Heads challenge Ofqual to publish all GCSE grade research
There are few firm consequences for students who don't take the exams, though in New York City, students could lose access to elite middle and high schools that use the exams in admissions decisions.
Lawyers representing the alliance of pupils, heads and councils argued for the June exams to be regraded in line with exams taken in January when the boundaries were lower.
"Once you know a student's exam results in one set of these exams, you learn little by knowing the results in the other set of exams, " he argues.
Ofqual's research found many schools used the marks pupils received in their first exams and the January grade boundaries to work out what score a pupil would need in their controlled assessment to get a certain grade and marked it accordingly.
BBC: GCSE English: Teachers' anger over generous marking claim
In Wales the way that exams are regulated is different to the way it happens in England.
The new GCSE qualifications, for courses starting in the autumn 2015, will be drawn up by exam boards for approval by the exams watchdog, Ofqual, in the core subjects English, maths, the sciences, history and geography.
In traditional times, the brainy Zhu might have distinguished himself in the Imperial Civil Service exams and gone on rapidly to become a top minister of the Emperor.
They will say that between January and June 2012 it was decided that too many students were going to get a C grade or better in GCSE English, so a decision was taken to push up grade boundaries for the exams marked in June to bring down the numbers of good grades for the year as a whole.
"It gives me a chance to read lots of books and more time to learn" before taking the state math and reading exams in the spring, she said.
There is also a considerable increase in the volume of exams.
But teachers' leaders said they still had serious concerns about the ability of schools to bring in the curriculum and prepare pupils for the new national exams which will follow in its wake.
This can happen in the Standard Grade exams children take at the end of S4, too, if anyone has joined the year group since the census was taken at the start of the school year the previous September.
BBC: NEWS | UK | Education | School exam results 'misleading'
"Other exam boards have changed their grade boundaries, as they do most years, but it's the unprecedented scale of AQA's changes in English between the January exams and the June exams that we see as unfair, " he said.
There has been a twelvefold increase in the number of students taking exams in religious education.
British students are among the least likely worldwide to cheat in exams, claims the convenor of examination boards.
He told BBC Radio 4's the Week in Westminster there should be exams for those who want to work in the banking industry and suggested employees could be overseen by a professional body.
BBC: Archbishop criticises City for 'culture of entitlement'
And a much touted trial of Durham schoolchildren, in which all GCSE pupils were encouraged to take the supplement in the run up to exams last summer, seems to have been quietly forgotten.
Federal officials said they have analyzed the scores and feel confident cheating didn't take place in the U.S. exams, noting the exams are administered and scored by federal contractors.
EBCs in English, maths and science are due to be introduced in autumn 2015, with the first exams being taken in 2017.
Some states and districts are looking to adopt a system like the one in Hillsborough County Public Schools in Florida, where the district created exams for every subject at every grade five years ago in an effort to award merit pay to teachers.
Despite high scores in other parts of the exams, including a 100% for one section, she has scored E grades for coursework in both.
The original plan had been for the first candidates to start courses in 2015 and take the new-look exams two years later, initially in three core subject areas - English, maths and sciences - with an extension later to history, geography and languages.
In short, the result could be fewer, more significant exams, taken at the stage in a school career that suits the pupil, rather than administrators.
For a start it is a familiar setting and, with the advent of the AS-level exams, there is less time than there used to be for settling in to a new environment before the exams begin.
He said the introduction of two-stage A-levels meant pupils had lost their previous freedom, in the first years after GCSEs, to think and read more widely, in the knowledge that the next exams were still some time off.
The fact remains that different standards were applied to the exams in June and January and this is blatantly wrong.
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