Leaving Certificate Biology
Enzymes 1 iQuiz
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The substance upon which an
enzyme acts is called the …
Substrate
Solute
Filtrate
Solvent
Which of the following is an
enzyme, found in saliva, whose
product is maltose?
Catalase
Maltase
Lipase
Amylase
Amylase works on which substrate
to produce maltose?
Lipids
Starch
Protein
Glucose
Name an enzyme that breaks down
hydrogen peroxide to oxygen and
water.
Erepsin
Catalase
Lipase
Amylase
The optimum temperature for
human enzyme activity is …
27 °C
57 °C
47 °C
37 °C
Which of the following enzymes
does not digest carbohydrates?
Sucrase
Lipase
Lactase
Maltase
What type of biological substance
are enzymes?
Fats
Fatty acids
Proteins
Carbohydrates
What name is given to the position
on an enzyme where the substrate
is attached?
Acute site
Active site
Enzyme-substrate
complex
None of these
What term describes using living
organisms to produce useful
products, e.g. yeast to produce
bread and alcohol?
Bioprocessing
Biophysics
Batch processing
Continuous flow
processing
Which of the following terms is
given to a container in which a
living thing is used in the
production of something useful?
Biome
Biotechnology
Bioreactor
None of these
What term is used to describe an
enzyme that has been destroyed
by excessive heat, pH, etc. and will
not 'work' again?
Degenerated
Denatured
Depleted
Dehydrated
This term describes an enzyme
trapped in beads or gel so that it
will react with, but not mix with, its
substrate.
Deactivated
Energised
Activated
Immobilised
A gel commonly used to
immobilise enzymes is …
Sodium stearate
Sodium alginate
Calcium alginate
Dax
The temperature or pH at which an
enzyme works best is called its …
Favourite
Best
Optimum
Maximum
The theory of an enzyme slightly
changing shape to fit its substrate
is called the …
Moulding enzyme
model
Induced fit model
Flexible enzyme
model
Elastic fit model
Enzymes 1 iQuiz
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