MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which type of chromatography lipids are carried up a silica gel coated pate by a rising solvent front, less polar travels farther than the more polar ones? |
| A. | Absorption chromatography |
| B. | Thin layer chromatography |
| C. | Gas-liquid chromatography |
| D. | HPLC |
| Answer» C. Gas-liquid chromatography | |
| 2. |
The dye used in TLC for detecting separated lipids by spraying the plate is __________ |
| A. | Mordant |
| B. | Alizarin |
| C. | Rhodamine |
| D. | Fuchsin |
| Answer» D. Fuchsin | |
| 3. |
A mixture of fatty acyl methyl esters are separated based on __________ |
| A. | Charge |
| B. | Chain length and degree of saturation |
| C. | Molecular weight |
| D. | Ionic size |
| Answer» C. Molecular weight | |
| 4. |
For the determination of fatty acid composition, transesterification is done in a warm aqueous solution of __________ |
| A. | KCl+methanol |
| B. | KOH+methanol |
| C. | NaOH+methanol |
| D. | H<sub>2</sub>O+methanol |
| Answer» D. H<sub>2</sub>O+methanol | |
| 5. |
Phosphatidylinositol, phosphatidylglycerol and phosphatidylserine are easily separated by __________ |
| A. | Absorption chromatography |
| B. | TLC |
| C. | HPLC |
| D. | Gas-liquid chromatography |
| Answer» C. HPLC | |