Enzyme ( Form 4, Biology)

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Put your enzyme knowledge to the test with this fun quiz game!

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YAKILI LMS

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Enzyme ( Form 4, Biology)


Froggy Jumps Enzyme ( Form 4, Biology)Online version Put your enzyme knowledge to the test with this fun quiz game! by YAKILI LMS 1 What are enzymes primarily made of? a Carbohydrates b Lipids c Proteins 2 What is the main function of enzymes? a Store energy b Speed up chemical reactions c Slow down reactions 3 Which part of the enzyme binds to the substrate? a Active site b Substrate pocket c Enzyme tail 4 Are enzymes specific to their substrates? a No b Sometimes c Yes 5 What affects enzyme activity? a Temperature and pH b Light exposure c Color and size 6 Can enzymes be reused? a Yes b Only once c No 7 What is the term for the substance an enzyme acts upon? a Reactant b Product c Substrate 8 Do enzymes work best at specific conditions? a No b Yes c They work equally well everywhere 9 What is the effect of high temperature on enzymes? a Activation b Enhancement c Denaturation 10 Are enzymes affected by changes in pH? a Only by temperature b Yes c No 11 What are enzymes primarily made of? a Lipids b Carbohydrates c Proteins 12 Which enzyme breaks down starch into sugars? a Lipase b Amylase c Protease 13 What type of enzyme is lactase? a Transport enzyme b Structural enzyme c Digestive enzyme 14 Which enzyme helps in DNA replication? a Ligase b RNA polymerase c DNA polymerase 15 What is the function of protease enzymes? a Break down carbohydrates b Break down proteins c Break down fats 16 Which enzyme converts hydrogen peroxide into water and oxygen? a Lipase b Amylase c Catalase 17 What type of enzyme is pepsin? a Amylase b Protease c Lipase 18 Which enzyme is involved in fat digestion? a Lipase b Protease c Amylase 19 What do enzymes do to activation energy? a Lower it b No effect c Raise it 20 Are enzymes specific to their substrates? a Sometimes b Yes c No 21 What do enzymes do in the body? a Slow down reactions b Speed up chemical reactions c Create energy 22 Which type of biomolecule are enzymes? a Proteins b Lipids c Carbohydrates 23 Why are enzymes specific to certain reactions? a They are non-specific b They change shape c They have unique active sites 24 What is the effect of high temperature on enzymes? a They become more active b They may denature c They multiply 25 Which enzyme helps digest starch? a Protease b Lipase c Amylase 26 What is the role of enzymes in digestion? a Build new molecules b Store energy c Break down large molecules 27 Enzymes work best at their... a Optimal temperature and pH b Any pH c Very high temperature 28 What happens if an enzyme's shape is altered? a It multiplies b It may lose its function c It becomes more active 29 Which enzyme converts hydrogen peroxide into water and oxygen? a Lipase b Catalase c Amylase 30 Enzymes are reusable because they... a Multiply during reactions b Are not consumed in reactions c Are destroyed after use 31 What do enzymes do in a chemical reaction? a Slow down the reaction b Stop the reaction c Speed up the reaction 32 Where do enzymes typically bind on a substrate? a Enzyme head b Enzyme tail c Active site 33 What is the molecule called that enzymes act upon? a Product b Reactant c Substrate 34 What effect does high temperature have on enzymes? a Makes them faster b No effect c Can denature them 35 Which factor can affect enzyme activity? a Color b Shape c pH level 36 What is the term for the enzyme's specific region where it binds? a Reaction zone b Active site c Binding pocket 37 Enzymes are classified as what type of biological molecules? a Carbohydrates b Proteins c Lipids 38 What is the name of the process where enzymes lower activation energy? a Oxidation b Catalysis c Hydrolysis 39 Are enzymes reusable after a reaction? a Yes b Sometimes c No 40 What is the effect of substrate concentration on enzyme activity? a No effect b Increases activity up to a point c Decreases activity 41 What is the main function of ptyalin? a To digest fats b To break down proteins c To digest starch into sugar 42 Where is ptyalin primarily active? a In the stomach b In the mouth c In the small intestine 43 Which food substance does ptyalin act upon? a Starch b Fat c Protein 44 What is another name for ptyalin? a Pepsin b Lipase c Salivary amylase 45 At what pH does ptyalin work best? a Around 7 b Alkaline (pH 9) c Acidic (pH 2) 46 Which gland secretes ptyalin? a Pancreas b Liver c Salivary glands 47 What is the end product of starch digestion by ptyalin? a Fructose b Maltose c Glucose 48 Does ptyalin work in the stomach? a No b Only partially c Yes 49 Is ptyalin an enzyme? a Yes b No c Sometimes 50 What is the source of ptyalin? a Small intestine b Pancreas c Salivary glands

Enzyme ( Form 4, Biology)

Froggy Jumps

About this activity

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Enzyme ( Form 4, Biology)Online version

by YAKILI LMS

What are enzymes primarily made of?

What is the main function of enzymes?

Which part of the enzyme binds to the substrate?

Are enzymes specific to their substrates?

What affects enzyme activity?

Can enzymes be reused?

What is the term for the substance an enzyme acts upon?

Do enzymes work best at specific conditions?

What is the effect of high temperature on enzymes?

Are enzymes affected by changes in pH?

What are enzymes primarily made of?

Which enzyme breaks down starch into sugars?

What type of enzyme is lactase?

Which enzyme helps in DNA replication?

What is the function of protease enzymes?

Which enzyme converts hydrogen peroxide into water and oxygen?

What type of enzyme is pepsin?

Which enzyme is involved in fat digestion?

What do enzymes do to activation energy?

Are enzymes specific to their substrates?

What do enzymes do in the body?

Which type of biomolecule are enzymes?

Why are enzymes specific to certain reactions?

What is the effect of high temperature on enzymes?

Which enzyme helps digest starch?

What is the role of enzymes in digestion?

Enzymes work best at their...

What happens if an enzyme's shape is altered?

Which enzyme converts hydrogen peroxide into water and oxygen?

Enzymes are reusable because they...

What do enzymes do in a chemical reaction?

Where do enzymes typically bind on a substrate?

What is the molecule called that enzymes act upon?

What effect does high temperature have on enzymes?

Which factor can affect enzyme activity?

What is the term for the enzyme's specific region where it binds?

Enzymes are classified as what type of biological molecules?

What is the name of the process where enzymes lower activation energy?

Are enzymes reusable after a reaction?

What is the effect of substrate concentration on enzyme activity?

What is the main function of ptyalin?

Where is ptyalin primarily active?

Which food substance does ptyalin act upon?

What is another name for ptyalin?

At what pH does ptyalin work best?

Which gland secretes ptyalin?

What is the end product of starch digestion by ptyalin?

Does ptyalin work in the stomach?

Is ptyalin an enzyme?

What is the source of ptyalin?