Tag: GATE Biotechnology Previous Year Papers with Solutions

Q.41 Which of the following factors affect the fidelity of DNA polymerase in polymerase chainreaction?P. Mg2+ concentrationQ. pHR. Annealing temperature(A) P and Q only (B) P and R only(C) Q […]

Q.40 Which one of the following is coded by the ABO blood group locus in the human genome?(A) Acyl transferase (B) Galactosyltransferase(C) Transposase (D) β–Galactosidase Answer: (B) Galactosyltransferase The ABO […]

Q.39 Which of the following statements are CORRECT when a protein sequence database issearched using the BLAST algorithm?P. A larger E–value indicates higher sequence similarityQ. E–value < 10-10 indicates sequence […]

Q.38 Match the organelles in Group I with their functions in Group II.Group I                                  […]

Q.37 For site–directed mutagenesis, which one of the following restriction enzymes is used todigest methylated DNA?(A) KpnI (B) DpnI (C) XhoI (D) MluI DpnI is the restriction enzyme used to […]

Q.36 In general, which one of the following statements is NOT CORRECT?(A) Hydrogen bonds result from electrostatic interactions(B) Hydrogen bonds contribute to the folding energy of proteins(C) Hydrogen bonds are […]

Q.35 Protein concentration of a crude enzyme preparation was 10 mg mL-1. 10 µL of this sample gave an activity of 5 µmol min-1 under standard assay conditions. The specific […]

Q.34 The mass of 1 kmol of oxygen molecules is _______ g (rounded off to the nearest integer). Answer The mass of 1 kmol of oxygen molecules is 32000 g. […]

Q.33 The degree of reduction for acetic acid (C2H4O2) is __________. The degree of reduction for acetic acid (C2H4O2) is 4 per carbon atom, or a total of 8 for […]

Q.32 The median value for the dataset (12, 10, 16, 8, 90, 50, 30, 24) is __________. To find the median of the dataset (12, 10, 16, 8, 90, 50, […]