Cambridge IELTS 21 · Listening · Test 1 · Part 3

Marine Biodiversity and Conservation — IELTS Listening Answers

All 8 answers for Marine Biodiversity and Conservation, Cambridge IELTS 21 Listening Test 1 Part 3, with the transcript evidence and an explanation for each.

By Deep Bikram, IELTS Content Lead & Assessment Specialist · Reviewed by Sarah Chen · Updated

← All Cambridge 21 Listening Test 1 answers

Marine Biodiversity and Conservation answer key at a glance

Questions 21–30. Tap an answer to see the evidence.

  1. 21–22B, D
  2. 23–24C, E
  3. 25G
  4. 26B
  5. 27F
  6. 28H
  7. 29A
  8. 30E

What this part tests

This part is tested with Two Choices (Q21–22). Each section below gives the strategy for that question type, the answers, and the sentence that proves them.

Questions 21–22: Two Choices

Strategy: Both answers must be supported by the transcript. Check each option independently; order does not usually matter.

Options for Questions 21–22

  • AThis is aimed at a very specialist audience.
  • BThis is now rather outdated.
  • CThis was an effective description of a new danger.
  • DThis suggests possible ways to improve the situation.
  • EThis does not give a balanced account.
  • FThis is too predictable to be useful.
  • GThis gives insufficient evidence for its claims.
  • HThis gives a clear explanation of the problems.
Q21–22B, D — This is now rather outdated.; This suggests possible ways to improve the situation.
“LUCY: Yeah. I learned a lot from her about ocean biodiversity. I've already done some reading on it, and I did an assignment on some of the problems associated with it last year, but I especially liked the way her lecture focused on more long-term issues.”

B and D: the pair pick out two strengths — the focus on long-term issues that will matter later, and the global examples showing how wide-ranging the threats are.

Learn the question types in this part

Frequently asked questions

Where does the Marine Biodiversity and Conservation listening section come from?

It is Part 3 of Cambridge IELTS 21 Listening Test 1, and it covers Questions 21–30.

What question types appear in Marine Biodiversity and Conservation?

The part is tested with Two Choices. Each type is explained on this page, alongside the answers.

Are these reading answers reliable?

Every answer is paired with the sentence that proves it, so you can check each one against the passage yourself. Use the page after a timed attempt, not instead of one.

Cambridge IELTS is published by Cambridge University Press & Assessment. Band9Prep is not affiliated with Cambridge. This page is an independent study aid: it gives the answer key, the passage evidence and an explanation so you can review an attempt you have already made.

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