Category: GATE Biotechnology Previous Year Papers with Solutions

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, […]

Q.31 The solution of limx→8 ((x² – 64) / (x – 8)) is __________. The limit limx→8 (x² − 64) / (x − 8) evaluates to 16 through algebraic simplification. […]