Classification of Enzymes

Q. The enzyme responsible for the softening of fruit wall is

1. protease
2. nuclease
3. amylase
4. cellulase

Q.

Which among the following organisms lacks a cell wall throughout its life?

1. Dinoflagelletes

2. Chrysophytes

3. Mycoplasmas

4. Slime molds

Q. Formation of carbonic acid from carbon dioxide and water is catalysed by:

1. Carbonic peptidase
2. Carbonic anhydrase
3. Carbonic kinase
4. Carbonic hydrolase

Q. The main difference between Gram-positive and Gram-negative bacteria is

1. Cell membrane
2. Cell wall
3. Ribosome
4. Mitochondria

Q. Which of the following catalyses the transfer of functional groups from one molecule to another?

1. Lyases
2. Hydrolases
3. Ligases
4. Transferases

Q.

S - G + S’ → S + S’ – G
Which enzyme has catalysed the above

1. Ligases

2. Isomerases

3. Oxidoreductases

4. Transferases

Q. Which of the following term(s) can alternatively be used to describe amylase present in saliva?

1. Lysozyme
2. Ptyalin
3. Diastase
4. Both b and c

Q. Enzyme required for joining two molecules of nucleotides is a ______.

1. Lyase
2. Diastase
3. Polymerase
4. Hydrolase

Q. Which of the following is/are found in laundry detergent?

1. Amylase
2. Peptidases
3. Lipases
4. Nucleases

Q. Which of the following is/are found in laundry detergent?

1. Amylase
2. Peptidases
3. Lipases
4. Nucleases