Blog

Q.18 Which is not a unit of radioactivity? 1. Gray (gy) 2. Roentgen (R) 3. Millicurie (mCi) 4. Pascal (p) Correct Answer: 4. Pascal (Pa) Pascal measures pressure (force per […]

Q.17 Vertical gel electrophoresis is routinely used for the seperation of- I. Protein 2. DNA 3. RNA 4. Carbohydrate and lipid Vertical gel electrophoresis is routinely used for protein separation […]

Q.16 Arrange the given steps involved in polymerase chain reaction- (A). Denaturation (B). Annealing (C). Extension (D). Cycling Answer: (A) → (B) → (C) → (D) (Denaturation → Annealing → […]

Q.15 Match List I with List II LIST I LIST II A. Western Blotting I. DNA identification B. Southern Blotting II. Protein identification C. Northern Blotting III. Protein-protein interaction D. […]

Q.14 Isoelectric focusing allows seperation of the proteins according to their- 1.pH 2. pl 3. pKa 4. pKb Isoelectric focusing separates proteins based on their isoelectric point (pI), the pH […]

Q.13 What is the role of sodium dodecyl sulfate (SDS) in protein electrophoresis (A). Add net negative charge to the protein (B). Seperate lipids on the basis of their molecular […]

Q.12 Which metal is used for electron beam generation in scanning election nucroscopy? 1. Tungsten (W) 2. Magnesium (Mg) 3. Mercury (Hg) 4. Zinc (Zn) Answer: Option 1 (Tungsten (W), […]

Q.11 The technique used to identify the specific DNA in bacterial colonies is- I. In-situ hybridization 2. Dot blot 3. Colony hybridization 4. Western hybridization Answer: Option 3 (Colony hybridization, […]

Q.10 Which of the is not a fluorescence I. Alexa Fluor 2. Green fluorescent protein (GFP) 3. Red fluorescent protein (DsRed) 4. Xylene cyanol Xylene cyanol is not a fluorescent […]

Q.9 Identify the con•ect sequence of the given enzymes involed in TCA cycle (A). Aconitase (B). Fumarase (C). Maltate dehydrogenase (D). a-ketoglutarate dehydrogenase Answer: (D) → (A) → (B) → […]