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Biophysics - Part 5
1
of
25
💡
Hints:
3
Q1. The Dutch physician who constructed the dialysis machine in the year 1947
A. Charles Hufnagel
B. William Kolff
C. William Harvey
D. Thomas Graham
Q2. What does Parsec measure?
A. Time
B. Distance
C. Volume
D. Mass
Q3. The surface tension of a solution is increased by
A. Bile salts
B. Bile acids
C. Concentrated sulphuric acid
D. Acetic acid.
Q4. 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
Q5. 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
Q6. In case of chromatograpdhy the solvent rises up due to
A. Solute
B. Filter paper
C. Capillary action
D. None of the above
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. Moment of inertia is
A. vector
B. scalar
C. phasor
D. tensor
Q9. 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
Q10. what consumer group do YOU fit in?
A. herbivore
B. carnivore
C. omnivore
Q11. 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.
Q12. 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.
Q13. 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
Q14. What is the unit of force
A. newton meter
B. newton
C. pascal
D. watt
Q15. Osmosis is opposite to
A. Effusion
B. Affusion
C. Confusion
D. Diffusion.
Q16. 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
Q17. what is the use of centrifuge machine?
A. DNA estimation
B. RNA estimation
C. lipid separation
D. separation of molecules
Q18. Two north poles will attract.
A. True
B. False
Q19. 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
Q20. ___ cannot make their own food, so they need to consume (eat) plants or animals.
A. consumers
B. producers
C. decomposers
Q21. 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
Q22. 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.
Q23. The scientific unit for mass is
A. Kg
B. N
C. pounds
D. ounces
Q24. 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
Q25. If a cell is immersed in a concentrated solution, it follows the phenomenon
A. Turgor
B. Plasmolysis
C. Hemolysis
D. Paralysis
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