Filtration

Q. Which process is used to separate suspended particles from a suspension using a porous medium which retains the particles but allows the liquid and gas to pass?

1. Filtration
2. Precipitation
3. Diffusion
4. Adhesion

Q. Purification involves which of the following techniques?
i. Crystallography
ii. Ultrasonication
iii. Chromatography
iv. Formulation

1. i and ii
2. ii and iii
3. iii and iv
4. i and iii

Q. Which of the following is generally used for creating density gradient during centrifugation?

1. CsCl
2. $MgC{l}_2$
3. NaCl
4. KCl

Q. Purification involves which of the following techniques?
i. Crystalization
ii. Ultrasonication
iii. Chromatography
iv. Formulation

1. i and ii
2. ii and iii
3. iii and iv
4. i and iii

Q. Purification involves which of the following techniques?
i. Crystalization
ii. Ultrasonication
iii. Chromatography
iv. Formulation

1. i and ii
2. ii and iii
3. iii and iv
4. i and iii

Q. Pure fractions of cellular components are isolated by _________.

1. Chromatography
2. Differential centrifugation
3. Scanning electron microscopy
4. X-ray diffraction

Q. Isopycnic or equal density centrifugation is achieved in

1. Electrophoresis
2. Buoyant density centrifugation
3. Density gradient centrifugation
4. Differential centrifugation

Q. Pure fraction of cellular components can be isolated by

1. Chromatography
2. Scanning electron microscopy
3. X-ray diffraction
4. Differential centrifugation
5. Autoradiography