Reading & Writing: Fill in the Blanks · Part 2: Reading

DNA is a Molecule

18 students marked "I sat this"Added 18 May 2020Question #120260

Choose the word for each blank.

DNA is a molecule that does two things. First, it acts as the 1 material, which is passed down from generation to generation. Second, it directs, to a considerable extent, the construction of our bodies, telling our cells what kinds of molecules to make and 2 our development from a single-celled zygote to a fully formed adult. These two things are of course connected. The DNA sequences that construct the best bodies are more likely to get passed down to the next generation because well-constructed bodies are more likely to survive and 3 to reproduce. This is Darwin's theory of natural selection stated in the language of DNA.

Options for each gap (alphabetical)

  • 1 gene · hereditary · inherent · survival
  • 2 building · generating · guiding · producing
  • 3 but · not · thus · yet
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Reading & Writing: Fill in the Blanks format (Pearson)

Pearson's name: Fill in the Blanks (Dropdown)

PromptText up to 200 words
Time to answerNot set per question (Part 2 lasts 23–30 minutes)
Skills assessedReading, Writing

How it is scored

  • Partial credit applies: a partly correct response still scores.

Source: Pearson, PTE Academic & UKVI test format, Part 2: Reading, checked 9 October 2026.