Vertex

IELTS Academic Reading — Test 11, Passage 3

Biology of Bitterness

Questions 27–40 of Reading Test 11. Do it online and every answer is marked the moment you finish, with your band score and the exact line of the passage each answer came from.

Practise this passage free →

Or sit the whole paper: Reading Test 11, all 40 questions under exam conditions.

Where are the answers to “Biology of Bitterness”?

Every answer is marked for you the moment you finish the passage — you get the correct answer beside each question you got wrong, your raw score out of 14 and your band. Vertex does not publish a flat answer key: reading a list tells you nothing about why you missed a question, and it lets you check answers you never actually attempted.

How many questions is it?

Questions 27–40 — 14 questions, in these types: Matching Information, Multiple Choice, Short Answer.

Is it free?

Yes. The whole of Vertex is free — every reading passage, every listening section, and the band score at the end.

How the passage begins

To many people, grapefruit is palatable only when doused in sugar. Bitter blockers like adenosine monophosphate could change that. There is a reason why grapefruit juice is served in little glasses: most people don't want to drink more than a few ounces at a time.…

What you get

The rest of this test

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