Band 5.0 IELTS Writing Task 1 Model Answer
Overall Band Score: 5.0 · Cambridge IELTS 19 · 2026-09-19
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)
Task - 1
The diagram illustrates the process of making of a kind of biological fuel known as Ethanol.
Overall, the given diagram shows a cyclic process which is are started harvesting. Overall, it is a cyclic process which featured many steps. However, it main thing required to run this process is plants and trees.
The first for this process is growing plants and trees which are going going to harvesting after few months or years. Then harvested plants are sent for not converting them into cellulose. After that, produced cellulose are handed over to labs and industries.
Moreover, With the help of such chemical lab convert cellulose into sugar. than they added some Microbes to sugar which was prepared in lab. After this, long process we get Ethanol. Which are used to run transports like cars, trucks or Airplanes. With the burning of ethanol in transportation a huge amount of carbon dioxide is released, which are further used by plants.
AI examiner evaluation
| Criterion | Band |
|---|---|
| Task Achievement / Task Response | 5.0 |
| Coherence and Cohesion | 5.0 |
| Lexical Resource | 5.0 |
| Grammatical Range and Accuracy | 4.5 |
| Overall | 5.0 |
Task Achievement / Task Response — Band 5.0
The candidate attempts to summarise the diagram illustrating biofuel production, but the response suffers from significant issues in content selection and clarity. While it identifies the main cyclic nature of the process and mentions several key stages such as growing plants, harvesting, pre-processing into cellulose, processing into sugars, adding microbes to produce ethanol, and the release of carbon dioxide, the description is muddled. There are numerous awkward phrasings and factual inaccuracies regarding the sequence (e.g., 'Then harvested plants are sent for not converting them into cellulose'). Furthermore, the overview is repetitive ('Overall, the given diagram shows a cyclic process... Overall, it is a cyclic process...'). The response touches upon the main features but lacks the clear, precise reporting required for a higher band.
Coherence and Cohesion — Band 5.0
The essay is divided into short paragraphs, but the logical progression is frequently disrupted by poor cohesion and repetitive phrasing. The introduction contains redundant statements ('Overall... Overall...'). Cohesive devices are used awkwardly or incorrectly, such as 'The first for this process is...' and 'After this, long process we get Ethanol. Which are used to run...'. Reference words are frequently imprecise, making it difficult to follow the logical flow of the steps in the diagram. Paragraphing is attempted, but the internal structure of the paragraphs lacks smooth transitions and clear signposting.
Lexical Resource — Band 5.0
The vocabulary used is basic and repetitive, with frequent word-choice errors that reflect a limited command of lexical resource. Examples include 'making of a kind of biological fuel', 'are started harvesting', and 'it main thing required'. The candidate attempts some topic-specific vocabulary (e.g., 'ethanol', 'cellulose', 'microbes', 'carbon dioxide'), but inaccurate morphological forms (e.g., 'converting', 'convert', 'preparation') and awkward collocations restrict the score. Spelling is generally acceptable, but lexical control is weak throughout.
Grammatical Range and Accuracy — Band 4.5
The response displays a very limited range of grammatical structures, relying heavily on simple sentences and faulty attempts at complex ones. There are pervasive grammatical errors that frequently impede communication and affect readability. Examples include subject-verb agreement errors ('a cyclic process which is are started', 'produced cellulose are handed over'), incorrect verb forms ('going going to harvesting', 'lab convert'), and sentence fragments ('Which are used to run transports like cars, trucks or Airplanes'). Punctuation is also erratic, with misplaced periods breaking sentences awkwardly.
See this exact question answered at other band scores — the same prompt compared across bands.
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