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Biophysics - Part 5
1
of
25
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Hints:
3
Q1. A fluid in which the viscosity dcreases with increasing stirrer speed and mixing time, can be represented as
A. newtonian fluid
B. pseudoplastic, thixotropic fluid
C. dilatant, rheopectic fluid
D. dilatant, pseudoplastic fluid
Q2. What useful information can be found from a Van Deemter plot
A. The selectivity factor
B. Optimum mobile phase flow rate
C. Optimum column temperature
D. Optimum column length
Q3. what consumer group do YOU fit in?
A. herbivore
B. carnivore
C. omnivore
Q4. Stars appears to move from east to west because
A. all stars move from east to west
B. the earth rotates from west to east
C. the earth rotates from east to west
D. the background of the stars moves from west to east
Q5. Lateral diffusion of proteins in membrane can be followed and diffusion rate calculated by:
A. Atomic force microscopy
B. Scanning electron microscopy
C. Transmission electron microscopy
D. FRAP
Q6. The surface tension of a solution is increased by
A. Bile salts
B. Bile acids
C. Concentrated sulphuric acid
D. Acetic acid.
Q7. This technique would be employed when a rapid diagnosis is necessary:
A. Serial sections
B. Levels
C. Routine paraffin section
D. Frozen section
Q8. A person saw his face inside a mirror he observed his image is smaller in size. What kind of mirror it is
A. diverging
B. converging
C. plane
D. none of these
Q9. ___ cannot make their own food, so they need to consume (eat) plants or animals.
A. consumers
B. producers
C. decomposers
Q10. Moment of inertia is
A. vector
B. scalar
C. phasor
D. tensor
Q11. In SDS-PAGE of protein separation, one SDS molecule will binds to
A. Every amino acid
B. Every two amino acids
C. Every three amino acids
D. Every Four amino acids
Q12. Which of the following is an example of tertiary structure in a protein
A. A multimeric protein
B. An a-helix
C. A P-pleated sheet
D. A globular domain
Q13. In case of chromatograpdhy the solvent rises up due to
A. Solute
B. Filter paper
C. Capillary action
D. None of the above
Q14. The absorption of intact protein from the gut in the foetal and newborn animals takes place by
A. Pinocytosis
B. Passive diffusion
C. Simple diffusion
D. Active transport.
Q15. In SDS-PAGE, migration of protein is effected by
A. Charge of protein
B. Size of protein
C. Net charge of protein
D. All of these
Q16. Osmosis is opposite to
A. Effusion
B. Affusion
C. Confusion
D. Diffusion.
Q17. Lipids and proteins which are both effective in lowering surface tension are found concentrated in the cell wall following the principle of
A. Johnson-John
B. Gibbs-Thomson
C. Peter- son-Pollen
D. None of the above.
Q18. What is the unit of force
A. newton meter
B. newton
C. pascal
D. watt
Q19. The Dutch physician who constructed the dialysis machine in the year 1947
A. Charles Hufnagel
B. William Kolff
C. William Harvey
D. Thomas Graham
Q20. Which of the following is a Reduction reaction?
A. Bleaching of colored objects using moist Chlorine
B. Rancidity of fats
C. Thermite process involving the reaction of Chromium oxide (or) Iron oxide with aluminum
D. The poling process involving the removal of impurities from molten metal.
Q21. what is the use of centrifuge machine?
A. DNA estimation
B. RNA estimation
C. lipid separation
D. separation of molecules
Q22. If a cell is immersed in a concentrated solution, it follows the phenomenon
A. Turgor
B. Plasmolysis
C. Hemolysis
D. Paralysis
Q23. The scientific unit for mass is
A. Kg
B. N
C. pounds
D. ounces
Q24. What does Parsec measure?
A. Time
B. Distance
C. Volume
D. Mass
Q25. Two north poles will attract.
A. True
B. False
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