Class Zoology English

AIM To find the variation in the process of fermentation by yeast in the given samples I, II and III. MATERIALS REQUIRED • Glucose solution • Test tubes • Palm sugar / Jaggery solution • Delivery tube • Jaggery with salt / starch solution • One holed rubber cork • Yeast solution • Lime water PRINCIPLE Fermentation is an anaerobic metabolic process accompanied with effervescence. During this process, sugar is converted into ethyl alcohol and CO . Yeast has an enzyme zymase which catalyses the fermentation process. Glucose Ethyl alcohol C H O 2C H OH + 2CO Zymase Yeast