Band 5.0 IELTS Writing Task 1 Model Answer

Overall Band Score: 5.0 · Cambridge IELTS 19 · 2026-10-27

IELTS Writing Task 1 question

 

The diagram below shows how a biofuel called ethanol is produced.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Student answer (Band 5.0)

The figure illustrates how a biofuel called ethanol is produced.

Overall, ethanol is produced from collecting energy from plants and trees and then processing and convert into sugers and some Microbes.

Firstly, there are many plants and trees have grown due to the enegy available on its. Secondly, cut down all plants. After that, paased them through a process machine and made cellulose. From that components starting processing in factory, it converts into sugers and add some microbes. Finally, ethanot is ready to use different vehicles and other machines.

After making the ethanol, it use in heavy vehicles and emmits the Carbon dioxide from them. Again this consumed through different plants. Therefore this process is contineou.

AI examiner evaluation

Task Achievement / Task Response: Band 5.0

You identify the subject and give a basic account of the main stages, including plant growth, harvesting, processing, the addition of microbes, and the use of ethanol in vehicles. You also recognise that carbon dioxide returns to the plants, which captures the diagram’s cyclical feature. However, the overview is unclear and partly inaccurate: ethanol is not made by “collecting energy from plants,” and the stages from cellulose to sugars are not explained precisely. The account also omits the diagram’s three transport types and the role of sunlight and carbon dioxide in plant growth. The response is 34 words below the required minimum, limiting the detail you can include. Develop a clearer overview and describe the stages and cycle more fully.

Coherence and Cohesion: Band 5.5

The response has a recognisable sequence, supported by “Firstly,” “Secondly,” “After that,” and “Finally,” and it ends by returning to the carbon-dioxide cycle. This gives the reader a basic sense of progression. However, the stages are compressed into one paragraph, and some links between them are unclear—for example, “From that components starting processing in factory” does not clearly show how cellulose becomes sugars. The repeated sequencing words also make the organisation feel mechanical, while “Again this consumed through different plants” has an unclear reference. Use separate paragraphs for the overview and process details, and connect each stage with precise references to the material being processed.

Lexical Resource: Band 5.0

You use some relevant process vocabulary, including “cellulose,” “factory,” “microbes,” “vehicles,” and “carbon dioxide,” so the topic is generally identifiable. However, the range is limited and several inaccurate or misspelled choices make parts difficult to understand, such as “sugers,” “paased,” “ethanot,” and “contineou.” Some phrases are also imprecise for describing a diagram: “cut down all plants” is less suitable than describing the harvesting of plant material, and “other machines” is not specified by the visual. Aim for accurate spelling and more precise process terms, such as “pre-processing,” “converted into sugars,” and “released as carbon dioxide.”

Grammatical Range and Accuracy: Band 5.0

You attempt a sequence of simple sentences and use some linking clauses, including “After that” and “Therefore,” but the range of sentence structures remains limited. Frequent errors in verb forms and sentence construction sometimes make the process difficult to follow. For example, “there are many plants and trees have grown” combines incompatible structures; “it converts into sugers and add some microbes” has unclear subject agreement; and “After making the ethanol, it use” lacks a clear subject and correct verb form. Practise forming accurate passive sentences for process descriptions, such as “The plant material is pre-processed” and “Microbes are added.” Check that each sentence has a clear subject and that verbs agree with it.

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