Category: GATE Biotechnology Previous Year Papers with Solutions

Q.55 Consider a random variable X with mean μX = 0.1 and variance σX² = 0.2. A new random variable Y = 2X + 1 is defined. The variance of […]

Q.54 Which of the following statement(s) regarding trafficking in eukaryotic cells is(are) CORRECT? (A) Dynamin binds GTP and is involved in vesicle budding (B) Dynamin is involved in cytoskeletal remodelling […]

Q.53 Introduction of foreign genes into plant cells can be carried out using (A) Agrobacterium (B) CaCl2 mediated plasmid uptake (C) Electroporation (D) Gene gun Foreign gene introduction into plant […]

Q.52 Emerging viruses such as SARS-CoV2 cause epidemics. Which of the following process(es) contribute to the rise of such viruses? (A) Mutation of existing virus (B) Jumping of existing virus […]

Q.51 Which of the following statement(s) is(are) CORRECT regarding the lac operon in E. coli when grown in the presence of glucose and lactose? (A) At low glucose level, the […]

Q.50 Which of the following plot(s) is(are) CORRECT for an enzyme that obeys Michaelis-Menten kinetics, assuming [𝑆] ≪ 𝐾m? [𝑆] is the concentration of the substrate, 𝐾m is the Michaelis […]

Q.49 Which of the following is(are) COMMON feature(s) for both aerobic and anaerobic bacterial cultures? (A) Glycolysis (B) NAD+ is the oxidising agent (C) Oxidative phosphorylation (D) Two net ATP […]

Q.48 Which of the following statements are CORRECT for an enzyme entrapped in a spherical particle? (A) Effectiveness factor is ratio of the reaction rate with diffusion-limitation to the reaction […]

Q.47 Consider the ordinary differential equation dy/dx = f(x,y) = 2x² – y². If y(1) = 1, the value(s) of y(1.5), using the Euler’s implicit method [yn+1 = yn + […]

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 […]