MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Enzyme Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which chemical is used for extracting enzymes by osmotic shock treatment? |
| A. | EDTA |
| B. | NaoH |
| C. | SDS |
| D. | 1.4% buffered sucrose |
| Answer» E. | |
| 2. |
The phenomenon wherein the osmotic pressure created due to presence of solutes inside and outside the cells will be equal is referred to as ________ |
| A. | isotonic condition |
| B. | hypertonic condition |
| C. | hypotonic condition |
| D. | osmotic shock |
| Answer» B. hypertonic condition | |
| 3. |
Which one of the following is not an example for ionic-detergent? |
| A. | Sodium dodecyl sulphate (SDS) |
| B. | Tween |
| C. | Sodium lauryl sulphate (SLS) |
| D. | Cetyl trimethyl ammonium bromide |
| Answer» C. Sodium lauryl sulphate (SLS) | |
| 4. |
___________ is a divalent chelator which can be used to extract enzymes from different sources. |
| A. | Sucrose |
| B. | NaOH |
| C. | Lysozyme |
| D. | EDTA |
| Answer» E. | |
| 5. |
The enzyme which specifically catalyzes (1 4) glycosidic linkages of NAM (N-acetyl muramic acid) and NAG (N-acetyl glucosamine) present in bacterial peptidoglycan is _______________ |
| A. | protease |
| B. | lipase |
| C. | lysozyme |
| D. | cellulase |
| Answer» D. cellulase | |
| 6. |
Alkali treatment is not advisable for which of the following? |
| A. | Extracellular enzymes |
| B. | Bacterial enzymes in cell wall |
| C. | Enzymes in cell wall of plant sources |
| D. | Membrane bound enzymes in eukaryotic cell |
| Answer» B. Bacterial enzymes in cell wall | |
| 7. |
Extraction of enzymes by physical methods include the usage of alkalis, EDTA, lysozyme, etc. |
| A. | True |
| B. | False |
| Answer» C. | |