Research Using Twins IELTS Reading Answers with Explanation

“Research Using Twins” is Passage 1 of Cambridge IELTS 11 Academic Reading Test 4. This page gives the answers for Questions 1–13 with a short explanation of why each answer is right, so you can check your work and learn from every mistake. The question types are: True / False / Not Given, Matching Features, Summary Completion.

Quick answers: Questions 1–13

Question	Answer
1	FALSE
2	NOT GIVEN
3	NOT GIVEN
4	TRUE
5	A
6	C
7	B
8	A
9	B
10	D
11	B
12	E
13	F

Questions 1–4: True / False / Not Given

Q	Question	Answer	Why
1	There may be genetic causes for the differences in how young the skin of identical twins looks.	FALSE	The passage contradicts this statement.
2	Twins are at greater risk of developing certain illnesses than non-twins.	NOT GIVEN	The passage gives no clear information to confirm or reject this statement.
3	Bouchard advertised in newspapers for twins who had been separated at birth.	NOT GIVEN	The passage gives no clear information to confirm or reject this statement.
4	Epigenetic processes are different from both genetic and environmental processes.	TRUE	The passage agrees with this statement.

Questions 5–9: Matching Features

Q	Question	Answer	Why
5	invented a term used to distinguish two factors affecting human characteristics	A	The passage links this point to: A.
6	expressed the view that the study of epigenetics will increase our knowledge	C	The passage links this point to: C.
7	developed a mathematical method of measuring genetic influences	B	The passage links this point to: B.
8	pioneered research into genetics using twins	A	The passage links this point to: A.
9	carried out research into twins who had lived apart	B	The passage links this point to: B.

Questions 10–13: Summary Completion

Q	Question	Answer	Why
10	—	D	Use exactly this wording from the passage, within the word limit.
11	—	B	Use exactly this wording from the passage, within the word limit.
12	—	E	Use exactly this wording from the passage, within the word limit.
13	—	F	Use exactly this wording from the passage, within the word limit.

Tips for these question types

• True / False / Not Given: TRUE means the passage says the same thing, FALSE means it says the opposite, and NOT GIVEN means it does not say. Never use your own knowledge.
• Matching features: underline the names or terms first, then scan for them in the passage.
• Completion tasks: check the word limit and the grammar of the gap before you write the answer exactly as it appears in the passage.
• Review every mistake. Find the exact sentence in the passage that proves the answer so you can spot the same trap next time.

FAQ

How many questions does this passage have? Research Using Twins covers Questions 1–13, which is 13 questions.

Where is this passage from? It is Reading Passage 1 in Cambridge IELTS 11, Academic Test 4.

How should I use these answers? Attempt the passage under timed conditions first, then check your answers here and read the reason for every mistake.

Cambridge IELTS 11 Reading Test 4: all passages
Part 1: Research Using Twins (you are here)  |  Part 2: An Introduction to Film Sound  |  Part 3: ‘This Marvellous Invention’

Next: Part 2 answers →

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