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Free Download as PDF of Biophysics Questions with Answers as per exam pattern, to help you in day to day learning. We provide all important questions and answers for all Exam.
25. The pH of a solution is determined by
- [A] concentration of salt
- [B] relative concentration of acids and bases
- [C] dielectric constant of the medium
- [D] environmental effect
Answer: Option [B]
26. Which of the following alcohols would be most soluble in water
- [A] methanol
- [B] ethanol
- [C] butanol
- [D] octanol
Answer: Option [A]
27. A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule
- [A] DNA
- [B] Strong base
- [C] Phospholipid
- [D] Protein
Answer: Option [A]
28. The lone pair electrons on oxygen in a H20 molecule
- [A] carry a partial positive charge
- [B] are not important for the properties of water
- [C] carry a partial negative charge
- [D] form covalent bonds in ice
Answer: Option [C]
29. The strength of an acid depends on
- [A] number of neutrons gain
- [B] electronegativity
- [C] number of double bonds
- [D] number of protons released
Answer: Option [B]
30. The reason that fats contain more energy than simple sugars, is fats have many more
- [A] carbon atoms
- [B] hydrogen atoms
- [C] covalent bonds
- [D] hydrogen bonds
Answer: Option [C]
31. Which of the following will easily dissolve in a polar solvent
- [A] gasoline
- [B] methane
- [C] argon
- [D] sodium chloride
Answer: Option [D]
32. Which of the following is not used for detection in GC
- [A] Infrared spectroscopy
- [B] NMR
- [C] Flame ionisation
- [D] Electrical conductivity
Answer: Option [B]
33. The GC trace obtained after an experiment is called a
- [A] chromatograph
- [B] chromatogram
- [C] chromatophore
- [D] graph
Answer: Option [B]
34. 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
Answer: Option [B]
35. Which of the following gases is unsuitable for use as a GC carrier gas
- [A] Nitrogen
- [B] Helium
- [C] Oxygen
- [D] Inert
Answer: Option [C]
36. What technique can be used to determine the murderer who left blood with the victim
- [A] DNA sequencing
- [B] PCR amplification
- [C] Western blot
- [D] RFLP mapping
Answer: Option [B]
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