Band 5.0 IELTS Writing Task 1 Model Answer

Overall Band Score: 5.0 · Cambridge IELTS 19 · 2026-10-08

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 diagram illustrates information about the production procedure of biofuel which is also called ethanol.

Overall, the whole production procedure consist on several steps. Here we have seven major steps that collectively complete the production procedure of making ethanol. The procedure begins with the plants and trees and ending up transformed into ethanol.

Moreover, the production of ethanol requires the harvesting of plants and trees. Once it done, the procedure undergoes pre-processing. The moment we got cellulose as output we shift it towards the actual processing. When the plants and tress got turn into the sugar cells we are quite near of getting our final product which is ethanol. As a result we lastly got our final product which is ethanol.

Furthermore, the diagram shows that how the ethanol again transformed into carbon dioxide.

As everybody use differnet kind of vehicles for the transportation purpose. All those vehicles actually emit carbon dioxide which again mixes in the air. This procedure happens again and again with the time. Similarly we got ethanol again and again.

AI examiner evaluation

Task Achievement / Task Response: Band 5.0

You identify the subject as ethanol production and mention several relevant stages, including harvesting, pre-processing, cellulose, processing and the final fuel. You also recognise that carbon dioxide from transport is returned to the plant-growth stage, which is an important feature of the cycle. However, the account only partially covers the diagram: it omits sunlight and carbon dioxide as inputs for plant growth, the addition of microbes, and the three transport modes. The overview says there are seven major steps, but the process is not clearly or accurately summarised as a complete sequence. Some descriptions, such as “sugar cells,” are unclear. To strengthen the response, report the main stages in order and explain the cycle more precisely, without adding unsupported generalisations about how people use vehicles.

Coherence and Cohesion: Band 5.0

The response has a basic paragraph structure, moving from an introduction and overview to process details and then the carbon-dioxide cycle. This gives the reader some organisation, and words such as “Moreover,” “Furthermore” and “Similarly” show an attempt to connect ideas. However, progression is not consistently clear: the second paragraph repeats the idea of obtaining ethanol, while the sequence from cellulose to sugars and microbes is not fully explained. Some linking phrases are mechanical or do not express the relationship accurately, particularly “As a result” before the final product is mentioned again. Improve cohesion by describing each stage once, in diagram order, and using clear references such as “this material” or “the resulting sugars” to connect steps.

Lexical Resource: Band 5.0

You use some task-relevant vocabulary, including “harvesting,” “pre-processing,” “cellulose,” “processing” and “carbon dioxide,” so the topic is generally recognisable. However, the range is limited and several phrases are repetitive or imprecise, such as “production procedure,” “final product” and “got ethanol.” There are also noticeable word-choice and spelling problems: “sugar cells” does not clearly describe the sugars shown, “tress” is a misspelling, and “differnet” is also misspelled. These choices sometimes make the process harder to follow. Aim for precise process language and natural collocations, for example “is converted into,” “the resulting sugars” and “is released,” while checking spelling carefully.

Grammatical Range and Accuracy: Band 5.0

You attempt both simple and longer sentence forms, including “Once it done, the procedure undergoes pre-processing” and “As everybody use differnet kind of vehicles…”. However, complex attempts are often faulty, and errors occur frequently enough to make parts of the description difficult to read. Examples include “the whole production procedure consist,” “Once it done,” “plants and tress got turn,” and “the diagram shows that how.” These involve agreement, missing or incorrect verb forms, and sentence construction. Articles and plurals also need attention, as in “the sugar cells” and “differnet kind of vehicles.” Practise accurate passive forms for processes, such as “the plants are harvested” and “the material is processed,” and check each sentence for a complete, correctly formed verb.

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