1. Calderglen High School
Products from Plants 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Calderglen High School

2. What factors can change the efficiency of enzymes?1
What factors can change the efficiency of enzymes?
answer
Change in pH or temperature
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3. Give examples of alcoholic drinks and the number of units they have.2
Give examples of alcoholic drinks and the number of units they have.
answer
Small glass of wine – 1 unit
Spirit measure unit
Pint of beer or lager – 2 units
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4. The alcohol produced during fermentation is ……….?3
The alcohol produced during fermentation is ……….?
answer
Ethanol
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5. Calderglen High School4
The water and alcohol mixture formed in the fermentation reaction be separated by ……?
answer
Distillation
The process can also be used to increase the concentration of fermentation products
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6. How are alcoholic drinks made?5
How are alcoholic drinks made?
answer
Alcoholic drinks are made by fermenting any fruit or vegetable which is a source of sugars. An enzyme produced by yeast acts as a catalyst for the reaction
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7. The breakdown of carbohydrates to form alcohol6
Fermentation is……..?
answer
The breakdown of carbohydrates to form alcohol
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8. Calderglen High School7
Give examples of alcoholic drinks and the source of carbohydrate from which they are made.
answer
Wine = grapes
Cider = apples
Whisky = barley
Vodka = potatoes
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9. Give some products (apart from food) which can be made from plants?8
Give some products (apart from food) which can be made from plants?
answer
Medicines
Alcohol
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10. Name a plant used to make ethanol for fuels?9
Name a plant used to make ethanol for fuels?
answer
SUGARCANE
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11. Name a product you could get from poppies?10
Name a product you could get from poppies?
answer
Morphine (medicine)
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12. Which of carbohydrate is found pasta and bread?11
Which of carbohydrate is found pasta and bread?
answer
Starch
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13. Calderglen High School12
Describe the effect of changes in pH and temperature on the efficiency of an enzyme?
answer
An enzyme works best at a certain pH and temperature (their OPTIMUM pH and temperature). Above and below the optimum their efficiency is reduced.
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14. Calderglen High School13
ENZYMES are ……?
answer
Biological catalysts
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15. The molecular formula for GLUCOSE is…………..?14
The molecular formula for GLUCOSE is…………..?
answer
C6H12O6
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16. Which plant can ASPIRIN be derived from?15
Which plant can ASPIRIN be derived from?
answer
Willow
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17. At high concentrations, the enzymes in the yeast stop working
Why can alcohol above a certain concentration not be made by fermentation? 16
answer
At high concentrations, the enzymes in the yeast stop working
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