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Process Diagram

Band 5+: Biofuel production: how ethanol is made. Write at least 150 words.

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Image for topic: Biofuel production: how ethanol is made. Write at least 150 words.

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The image illustrates ethanol production from biofuel starting with energy (sunlight + carbon dioxide) aiding plant/tree growth; this is followed by harvesting, and pre-processing which releases carbon dioxide; processing involves breaking down cellulose into sugars; microbes are added to convert sugars into ethanol; ethanol is used as a fuel, releasing carbon dioxide again in the process.

Given the complexity of the image, the above description may not be entirely accurate.

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The following process diagram illustrates the process of ethanol production. The process consists of several phases from harvesting of plants and trees to emitted carbon dioxide from vehicles and aeroplanes.

Plants and trees harvested are preprocessed at first and then processed again to get ethanol produce ethanol which is used to fuel vehicles and aeroplanes.

According to chart, plants and trees grow using energy source as sunlight and carbon dioxide, which is then harvested and preprocessed to obtain cellulose. Subsequently, processing is done to obtain sugars which is added with microbes to finally produce ethanol. This ethanol is used as fuel in vehicles and aeroplanes, which emits carbon dioxide, necessary as energy source for plants and trees.

Word Count: 117

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Overall Band Score

5.5

(+/- 0.5)

Vocabulary Complexity:
C2 - Complex
Continue to challenge and refine your language choices.

Grammar Mistakes: N/A

Vocabulary Repetition:

ethanol: 5

trees: 4

which: 4

process: 3

plants: 3

carbon: 3

dioxide: 3

vehicles: 3

Try using synonyms for the above words

Task Response

5.5

The report adequately addresses all parts of the task. Minor inaccuracies and omissions are present, but do not detract significantly from the overall understanding of the process. The report falls short of the required 150 words.

Coherence & Cohesion

5.5

The report demonstrates a clear progression of ideas, but the flow could be improved with more sophisticated cohesive devices and better paragraphing. Some grammatical errors affect the overall coherence.

Lexical Resource

The report uses a range of vocabulary relevant to the topic, but some terms could be more precise and sophisticated. The language is generally accurate and appropriate.

Grammatical Range & Accuracy

While the report demonstrates a range of grammatical structures, there are several errors that affect the clarity and accuracy of the message. Improvement in grammatical accuracy is needed to achieve a higher band score.

Answers On The Same Topic:

Biofuel production: how ethanol is made. Write at least 150 words.

The given figure illustrates the creation cycle of a biofuel known as ethanol. Overall, the figure demonstrates how ethanol is being made, which is then used as a biofuel in modern vehicles. It begins with energy which goes all the way to the harvesting, pre-processing and multiple other procedures to finally become Ethanol which is […]

Band 6+

Biofuel production: how ethanol is made. Write at least 150 words.

The diagram illustrates the process by which ethanol biofuel is produced. Overall, ethanol is manufactured through a cyclical process that begins with plant growth using sunlight and carbon dioxide and ends with the fuel being consumed by vehicles, which release carbon dioxide back into the atmosphere. Initially, plants and trees grow by absorbing sunlight and […]

Band 8+

Biofuel production: how ethanol is made. Write at least 150 words.

The process diagram delineates the data of manufacturing process of making ethanol. In an overall perspective, producing ethanol is a cyclic process. which has seven stages commencing with growing trees & plants and terminates with consuming by vehicles and forming carbon dioxide which is lastly utilised by plants again. To begin with, in production of […]

Band 5+

Biofuel production: how ethanol is made. Write at least 150 words.

[17:55, 12/8/2025] Sara Piriyeva: The diagram illustrates the cyclical process which detail how biofuel ethanol manufactured. Looking from an overall perspective, the 9 steps process begins with absorption of carbon dioxide by plants, continued chemical processing and ends with the emission of the carbon dioxide In the first step, energy, sunlight and carbon dioxide, in […]

Band 5+

Biofuel production: how ethanol is made. Write at least 150 words.

The diagram below depicts the process-making of biofuel called ethanol from raw plant materials. Overall, biofuel production is a whole recycle process. It involves several stages, starting with absorbing energy using resources from plants and trees and ending with final fuel that can be distributed to customers. First, sunlight and carbon dioxide was being absorbed […]

Band 6+

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Band 5+: Biofuel production: how ethanol is made. Write at least 150 words.

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Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Answers On The Same Topic:

Biofuel production: how ethanol is made. Write at least 150 words.

Biofuel production: how ethanol is made. Write at least 150 words.

Biofuel production: how ethanol is made. Write at least 150 words.

Biofuel production: how ethanol is made. Write at least 150 words.

Biofuel production: how ethanol is made. Write at least 150 words.

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