Tag: GATE Biotechnology Previous Year Papers with Solutions

Q.21 CRISPR-Cas system is associated with (A) adaptive immunity in eukaryotes (B) adaptive immunity in prokaryotes (C) innate immunity in eukaryotes (D) innate immunity in prokaryotes CRISPR-Cas System: Adaptive Immunity […]

Q.20 Under standard temperature (T) and pressure (P) conditions, 128 g of an ideal gas molecule A occupies a volume of 1 L. The gas molecule A obeys the relationship […]

Q.19 Which one of the following techniques/tools is NOT used for inserting a foreign gene into a cell? (A) DNA microarray (B) Electroporation (C) Gene gun (D) Microinjection Which Technique […]

Q.18 d/dx}[ln(2x)]) is equal to (A) 1/(2x) (B) 1/x (C) 1/2 (D) x The derivative of d/dx [ln(2x)] equals 1/x, making option (B) correct. This fundamental calculus result follows from […]

Q.17 Which one of the following statements is INCORRECT about hybridoma production? (A) Hybridoma cells can use hypoxanthine and thymidine (B) DNA synthesis in myeloma cells is blocked by aminopterin […]

Q.16 The order of genes present in a chromosome is as follows. L   M —————–●—————– N   O   P   Q Which one of the following rearrangements represents […]

Q.15 The Cartesian coordinates (x, y) of a point A with polar coordinates (4, π/4) is (A) (√3, 2√2) (B) (2, 2√3) (C) (2√2, √3) (D) (2√2, 2√2) Polar coordinates […]

Q.14 Which one of the following methods is used to test the significance of a predicted phylogeny? (A) Bootstrap (B) Maximum likelihood (C) Maximum parsimony (D) Minimum evolution Bootstrap: The […]

Q.13 Number of unrooted trees in a phylogeny of five sequences is (A) 3 (B) 15 (C) 105 (D) 945 The number of unrooted trees in a phylogeny of five […]

Q.12 The enzyme that transcribes the eukaryotic genes encoding precursor ribosomal RNAs (pre-rRNAs) of 28S, 18S and 5.8S rRNAs is (A) RNA polymerase I (B) RNA polymerase II (C) RNA […]