MCQ Bank
A rolling stone person has no _________________.
- A) Personal goals
- B) Personal beliefs
- C) Personal values
- D) All of the given options
John likes to be loyal in professional and personal life. Being loyal is John's _______________.
- A) Personal value
- B) Personal culture
- C) Personal competency
- D) Personal belief
A hard driving, hostile, intense, highly competitive personality falls under which category:
- A) Type A personality
- B) Authoritarian personality
- C) Type B personality
- D) Machiavellianism
Zia encourages two-way interaction, when encounters any problem, by inviting the respondent to express his perspective and ask questions. Zia has most probably which of the following skills?
- A) All of the given options
- B) Interpersonal Skills
- C) Stress Management Skills
- D) Conflicts Resolution Skills
Long-term goals in life make one feels that he has __________.
- A) Sense of accomplishment
- B) Sense of living
- C) Sense of Self-respect
- D) Sense of planning
What the person knows about him/herself that others do not know.
- A) Blind area
- B) Unknown area
- C) Open area
- D) Hidden area
Personality determinants include which of the following options?
- A) Heredity
- B) All of the given options
- C) Situation
- D) Environment
Showing respect, dignity and esteem to one’s own self is known as
- A) Self-respect
- B) Value
- C) Independence
- D) Comfort
When stress increases beyond the threshold point, feelings of ______________ start to consume energy
- A) Frustration
- B) Tiredness
- C) All of the above
- D) Anxiety
How are the resultant fragments separated in restriction enzyme mapping?
- A) Polymerase chain reaction
- B) Spectrophotometry
- C) Chromatography
- D) Electrophoresis
What consequence could occur if the RNA pellet is allowed to over-dry during the air-drying step?
- A) No impact on RNA quality
- B) Increased RNA solubility
- C) Decreased RNA solubility
- D) Faster RNA hydration
What distinguishes a stock solution from a working solution in a laboratory setting?
- A) Stock solutions are concentrated solutions of known, accurate concentrations for future dilution, while working solutions are made for actual use in the lab.
- B) Stock solutions are concentrated solutions of unknown concentrations, while working solutions have known and accurate concentrations.
- C)
- D)
How is DNA purity commonly calculated using absorbance readings?
- A) A280/260 ratio
- B) A260/230 ratio
- C) A260/280 ratio
- D) A260/320 ratio
What is the recommended anticoagulant for blood collection in the described DNA extraction protocol?
- A) Ethylenediaminetetraacetic acid (EDTA)
- B) Isopropanol
- C) Sodium chloride (NaCl)
- D) Tris EDTA buffer
What is the primary technique commonly used to determine DNA/RNA yield and purity?
- A) Electrophoresis
- B) Mass spectrometry
- C) Chromatography
- D) Absorbance using Nanodrop
What is the most commonly used concentration of Ethidium bromide stock that is added for DNA quantification in the gel solution?
- A) 10 mg/mL
- B) 15 mg/mL
- C) 1 mg/mL
- D) 5 mg/mL
Which step involves the extraction of proteins from the sample?
- A) DNA Precipitation
- B) Digestion step (Lysis of White blood cells, WBC)
- C) Lysis of Red Blood Cells, RBC
- D) Phase Separation step
DNA concentration is estimated using a spectrophotometer at which of the following UV wavelength?
- A) 280nm
- B) 320nm
- C) 230nm
- D) 260nm
Why is the rate at which a DNA molecule moves through an agarose gel inversely proportional to its size during electrophoresis?
- A) Larger molecules move slower
- B) Smaller molecules move faster
- C) Smaller molecules move slower
- D) Larger molecules move faster
What is the purpose of the "Phase Separation step" in the DNA extraction process?
- A) Extraction of DNA from solution
- B) Precipitation of DNA
- C) Removal of digested protein
- D) Precipitation of DNA