The Sundarbans mangrove forest
Part 4, Note, table and flow-chart completion. IELTS Trek Practice Book 1, Test 1 (2026), set 1 of 3.
Test mode: the recording plays once, like the real test.
How to do Note, table and flow-chart completion
Complete notes, a table or a flow-chart while you listen to a talk or lecture.
- 1 Read the headings so you can follow the structure of the talk.
- 2 Predict the kind of word for each gap.
- 3 If you miss one, let it go and listen for the next gap.
Questions 31 to 40
Write ONE WORD ONLY for each answer.
The Sundarbans: the world's largest mangrove forest
Location and size
- About 10,000 square kilometres across Bangladesh and India
- Formed where three rivers meet the Bay of 31
How mangrove trees survive
- Roots called pneumatophores grow upwards to take in 32
- Some species remove excess 33 through their leaves
Importance for people
- Protects coastal communities from 34
- Provides honey, fish and, in the past, 35
- Most carbon is stored in the 36
Wildlife
- The Bengal 37 can swim between islands
- Home to the rare Irrawaddy 38
Threats
- Rising seas increase the 39 of the rivers
- Less sediment arrives because of 40 built upstream
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/ answered,
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Answers are highlighted in the transcript.