Tag: GATE Life Science Previous Year Papers with Solutions

Q.37 Two purified DNA samples A and B contain equal number of base pairs. Each of these DNA samples has one site each for EcoRI and BamHI restriction enzymes. Complete […]

Q.36 Match P, Q, R and S with the appropriate numbers 1 to 6 on the right Left Right P) Basophils 1) Perforin Q) T cells 2) Phagocytosis R) B […]

Q.35 Valinomycin, a cyclic peptide antibiotic, facilitates the transport of which one of the following ions? Options: (A) K+ (B) Ca2+ (C) Na+ (D) H+ Valinomycin, a 12-membered cyclic depsipeptide […]

Q.34 A mixture of four proteins of pIs 11, 7, 5 and 3 are loaded on a DEAE anion-exchange column equilibrated with low ionic strength buffer of pH 8. Which […]

Q.33 In humans, the largest energy reserve is Options: (A) liver glycogen (B) muscle glycogen (C) blood glucose (D) adipose tissue triacylglycerol Human energy homeostasis maintains reserves for varying durations: […]

Q.32 Cyanide poisoning is due to its direct inhibition of Options: (A) Electron transport chain (B) Fatty acid biosynthesis (C) Fatty acid oxidation (D) Nucleic acid biosynthesis Cyanide (CN⁻) represents […]

Q.31 The polarity of water molecule is due to Options: (A) its tetrahedral structure (B) bonding electrons being attracted more to oxygen (C) bonding electrons being attracted more to hydrogen […]

Q.30 Horseradish peroxidase and alkaline phosphatase are the two enzymes commonly utilized as reagents in ELISA, because these enzymes Options: (A) are colored proteins (B) are very small (C) have […]

Q.29 Cytochrome C is normally found in the inner mitochondrial membrane. It is released into the cytoplasm during Options: (A) Apoptosis (B) Necrosis (C) Cell differentiation (D) Cell proliferation Cytochrome […]

Q.28 Which one of the following enzymes fixes CO2 into organic form? Options: (A) Ribulose 5-phosphate kinase (B) Ribulose 1,5-bisphosphate carboxylase (C) Pyruvate dehydrogenase (D) Carbonic anhydrase CO2 fixation represents […]