Band 5.0 IELTS Writing Task 1 Model Answer

Overall Band Score: 5.0 · Cambridge IELTS 19 · 2026-10-13

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 process diagram illustrates how a biofuel called ethanol is produced.

Overall, they are many satges for thr production of the ethanol. Such as, Energy(sunlight + carban dioxode), Plants and trees grow, Harvesting, Pre-processing, Cellulose, Procrssing, Sugar moreover at the end of microbs added and ethanol produced.

In contrast, the production of ethanol is started in Energy(sunlight + carban dioxide). They are used to growing the plants and trees. After that they are harvesting process are working in pre-processing. and the pre-processing converted into Cellulose. After that they are again processing.

The processing are produce the large amount of sugars. Moreover, At the end of the microbes added and the result is the production of ethanol. In additionally, the ethanol is used in Airoplane, Trucks and cars in the form of Carban Dioxide. This is the process diagram and they gave the information about how a biofuel called ethanol is produced.

AI examiner evaluation

Task Achievement / Task Response: Band 5.0

You identify the subject and give a basic account of several production stages, including plant growth, harvesting, pre-processing, cellulose, processing, sugars, microbes and ethanol. However, the response only partially covers the diagram: it does not clearly explain the circular nature of the process or the return of carbon dioxide from vehicles to support plant growth. The overview mainly lists stages rather than highlighting the key feature that ethanol is produced from plant material and that carbon dioxide completes a cycle. Some descriptions are also unclear or inaccurate, such as saying the stages are “used to growing” plants and that ethanol is used “in the form of Carbon Dioxide.” To improve, select the main stages and explain their relationships accurately, including the transport uses and carbon-dioxide loop.

Coherence and Cohesion: Band 4.5

The response has an opening, an attempted overview and further paragraphs describing the process, so there is some organisation. The stages are generally presented in sequence, and connectors such as “After that” and “Moreover” show an effort to link ideas. However, progression is weakened by repeated stage lists and by unclear links, for example, “After that they are harvesting process are working in pre-processing.” The final sentence repeats the introduction rather than adding a useful concluding feature. Some connectors are also used mechanically or inaccurately, including “In contrast” and “In additionally.” Group the description into a clear overview and a chronological account, and use precise links to show what each stage produces.

Lexical Resource: Band 5.0

You use relevant process vocabulary, including “harvesting,” “pre-processing,” “cellulose,” “sugars” and “microbes,” which helps identify the diagram’s stages. The range is nevertheless limited, with repeated reliance on “process,” “produce” and “after that,” and several word-choice or spelling errors make parts difficult to understand. Examples include “satges,” “carban dioxode,” “Procrssing,” “microbs” and “Airoplane.” Phrases such as “large amount of sugars” are also imprecise for describing the diagram, which gives no quantity. Build a more accurate set of process verbs and collocations, such as “is converted into,” “is then processed,” and “is used as fuel,” and check spelling carefully.

Grammatical Range and Accuracy: Band 4.5

You attempt both simple statements and longer sentences, and the overall sequence can sometimes be understood. However, the range is limited and errors occur frequently in sentence structure, verb forms and agreement. For example, “they are many stages” needs a different construction, while “They are used to growing the plants” and “the pre-processing converted into Cellulose” do not express the intended relationships grammatically. The sentence “After that they are harvesting process are working in pre-processing” combines incompatible structures, and capitalisation and punctuation are inconsistent. Practise clear passive forms for process descriptions, such as “The plants are harvested” and “The material is converted into cellulose,” then check each sentence for a complete subject and verb.

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