Question: 7
Model answer by Lifestyle Training Centre
The given process diagram outlines the detailed and multifaceted stages that are necessary for the production of biofuel, specifically ethanol.
As a whole, the entire process includes a number of distinctive and complex stages: harvesting, pre-processing, processing, and final preparation for distribution.
Firstly, trees and plants, which harness sunlight and carbon dioxide for energy and growth, are harvested using machinery. The harvested biomass then undergoes a pre-processing stage to extract and separate cellulose which is required for further processing. In the next stage, this extracted material proceeds through the main processing stage, yielding sugars as the output.
In the final stage, microbes are introduced to these sugars, producing ethanol as the final product. Ethanol can then be used for a verity of applications, such as powering automobiles and even airplanes. Carbon dioxide emitted from these vehicles is subsequently absorbed by plants and trees, resulting in the continuation of the cycle.
List of vocabulary used:
- Diagram – a visual representation of information.
- Intricate – detailed and complex.
- Production – the process of creating something.
- Biofuel – fuel derived from organic matter.
- Distinctive – clearly different or unique.
- Harvesting – collecting crops or plants.
- Pre-processing – initial steps to prepare material for further processing.
- Processing – converting raw materials into a finished product.
- Machinery – machines used to perform tasks.
- Extract – to remove or take out.
- Separate – to divide or set apart.
- Cellulose – a substance found in plant cell walls.
- Microbes – microorganisms that can cause or aid reactions.
- Emitted – released or sent out.
- Consumed – used up or absorbed.
- Cycle – a repeated process or series of events.
IELTS Speaking Task Topics
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Names
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Study / Job
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Hometown
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Accomodation
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Weather
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Time
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Television
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Museum
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Holidays
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Films
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Leisure Time
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Sport
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Vegetables and Fruits
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Maths
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Sky
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Clothes&Fashion
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Weekend
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Reading
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Sleep
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Trees&Plants
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Newspaper
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Texting
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Memorising
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Travelling
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Communication
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Letter&Email
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Swimming
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Snacks
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Photography
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Help
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History
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Handwriting
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Music
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Colours
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Teachers
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Being Alone
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Teamwork
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Countryside & City
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Social Media
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Friends
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Artificial Intelligence (AI)
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Climate Change
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Transportation
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Sustainable Transportation
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Space Exploration
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Shopping
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Modern Technology
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Technology
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Sustainable Living
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Globalisation
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Global Warming
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Gender Equality
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Health and Fitness
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Renewable Energy
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Cultural Traditions in Kerala
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Cultural Traditions in Your Country
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Education System
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Traditional Cuisine
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