Band 5.0 IELTS Writing Task 1 Model Answer

Overall Band Score: 5.0 · Cambridge IELTS 19 · 2026-09-09

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 given process chart illustarate how to produce ethanol form biofuel

OverallOverall, it can be notice that this are the cyclic process.There are eleven step involved in this process. The first step start with plants and trees grow and last step is ethanol used in vehicle.

Firstly, the energy ,sunlight and carbon dioxide help to grow plant ans trees,then after the grow plant and trews are harvest,other than harvesting material could inter into pre proccesing then form a cellulose.in the fifth step cellulose inter in to lab proccesing aand from a sugars

In the sixth step microbes added in to sugar

And form a ethanol.Additionally, ethanol used in different vehicle ,they produced carbon dioxide ,this co2 is important for to live plants and trees. This cycle is repeats it self.this are the process of how to mane ethanol from biofule

AI examiner evaluation

Task Achievement / Task Response — Band 5.0

The response fails to meet the minimum word count requirement of 150 words, which significantly impacts the task achievement score. While you have identified the main stages of the process, the description is quite superficial. You mention eleven steps, but the explanation of these steps is fragmented and lacks the necessary detail to fully describe the process. To improve, you should aim to describe the transformation of materials more clearly and ensure you reach the minimum length by expanding on the technical stages shown in the diagram, such as the specific conversion processes between cellulose and sugar.

Coherence and Cohesion — Band 5.5

The essay is organized into short paragraphs, but the flow is disjointed. While you use some cohesive devices like 'Firstly', 'Additionally', and 'In the sixth step', the transitions between sentences are often mechanical or awkward. The paragraphing is also inconsistent, with a very short introductory sentence and a repetitive conclusion. To improve, focus on using a wider variety of linking words to connect your ideas more fluidly and ensure that each paragraph has a clear, unified focus. The referencing is sometimes unclear, making it difficult for the reader to follow the logical progression of the cycle.

Lexical Resource — Band 5.0

The vocabulary is quite limited and repetitive, relying on basic terms like 'grow', 'step', and 'form'. There are several spelling errors, such as 'illustarate', 'proccesing', 'aand', and 'mane', which distract the reader. You also struggle with word choice, such as 'inter' instead of 'enter' and 'biofule'. To reach a higher band, you need to use a more precise range of vocabulary related to industrial processes, such as 'harvested', 'converted', 'fermented', or 'subsequently'. Expanding your range of synonyms will help you avoid repeating the same words throughout the text.

Grammatical Range and Accuracy — Band 5.0

There are frequent grammatical errors throughout the response, including issues with subject-verb agreement ('this are the cyclic process'), article usage ('the energy, sunlight'), and sentence structure. Many sentences are simple or contain errors that occasionally impede clarity, such as 'the grow plant and trews are harvest'. There is a lack of complex sentence structures, which limits your ability to demonstrate grammatical control. To improve, focus on mastering basic sentence construction, ensuring correct verb tenses, and proofreading for common errors like missing plurals or incorrect prepositions.

See this exact question answered at other band scores — the same prompt compared across bands.

Browse more IELTS Writing model answers or get your own writing scored by the same AI examiner.