9th Biology Chapter6 Enzymes
Sr # | Questions | A | B | C | D |
---|---|---|---|---|---|
1 | Molecule on which enzymes act is called: | Substrate | Co-enzyme | Protein | Substrate-enzyme complex | 2 | Which enzyme breaks the peptide bond? | Amylase | Protease | Lipase | None | 3 | Who proposed induced-fit model? | Winhelm Kuhne | Daniel Koshland | Emil Fischer | Ibn-e-Nafees | 4 | Catalytic region of enzyme is called: | Cofactor | Coenzyme | Prosthetic group | Active site | 5 | Which of the following vitamins act as coenzyme? | Riboflavin | Thiamine | Folic acid | All of these | 6 | Activation energy is required to: | Activate enzyme | Start a reaction | Speed up a reaction | None | 7 | The concept of mechanism was first of all given by: | Ibn e Nafees | Winhelm Kuhne | Emil Fischer | Daniel Koshland | 8 | In which year the induced-fit model was proposed? | 1952 | 1954 | 1956 | 1958 | 9 | Which enzyme converts lipids into fatty acid and glycerol? | Lipase | Amylase | Pepsin | Trypsin | 10 | Who first used the term enzyme? | Winhelm Kuhne | Daniel Koshland | Emil Fischer | Ibn-e-Nafees | 11 | Term “metabolism” derived from the Greek words means: | Split | Change | Division | Break | 12 | Which enzymes are used in dish washing to remove resistant starch residues? | Protease | Amylase | Lipase | All of these |