Tag: GATE Biotechnology Previous Year Papers with Solutions

Q.46 Adenine can undergo a spontaneous change to hypoxanthine in a cell, leading to a DNA base pair mismatch. The CORRECT combination of enzymes that are involved in repairing this […]

Q.45 Which of the following spectroscopic technique(s) can be used to identify all the functional groups of an antibiotic contaminant in food? P. Infrared Q. Circular dichroism R. Nuclear magnetic […]

Q.44 The maximum parsimony method is used to construct a phylogenetic tree for a set of sequences. Which one of the following statements about the method is CORRECT? (A) It […]

Q.43 The enzymes involved in ubiquitinylation of cell-cycle proteins are (A) E1 and E2 only (B) E1 and E3 only (C) E1 and E4 only (D) E1, E2 and E3 […]

Q.42 Which of the following are CORRECT about protein structure? P. Secondary structure is formed by a repeating pattern of interactions among the polypeptide backbone atoms Q. Tertiary structure is […]

Q.41 Which of the following statements are CORRECT for a controller? P. In a proportional controller, a control action is proportional to the error Q. In an integral controller, a […]

Q.40 Match the stationary phase (Column I) with its corresponding chromatography technique (Column II). Column I                              […]

Q.39 A 2×2 matrix P has an eigenvalue λ1 = 2 with eigenvector x1 = ( 1 0 )T and another eigenvalue λ2 = 5, with eigenvector x2 = ( […]

Q.38 Match the cell type (Column I) with its function (Column II). Column I                                  […]

Q.37 Match the media component used in mammalian cell culture (Column I) with its respective role (Column II). Column I                      […]