Category: GATE Biotechnology Previous Year Papers with Solutions

Q.5 The population of a new city is 5 million and is growing at 20% annually. How many years would it take to double at this growth rate? (A) 3-4 […]

Q.4 In any given year, the probability of an earthquake greater than Magnitude 6 occurring in the Garhwal Himalayas is 0.04. The average time between successive occurrences of such earthquakes […]

Q.3 Which of the following options is the closest in meaning to the sentence below? “As a woman, I have no country.” (A) Women have no country. (B) Women are […]

Q.2 Choose the most appropriate word from the options given below to complete the following sentence. ____________ is the key to their happiness; they are satisfied with what they have. […]

Q.1 Choose the most appropriate word from the options given below to complete the following sentence. A person suffering from Alzheimer’s disease __________ short-term memory loss. (A) experienced (B) has […]

65. A linear double stranded DNA of length 8 kbp has three restriction sites. Each of these can either be a BamHI or a HaeIII site. The DNA was digested […]

64. Biomass is being produced in a continuous stirred tank bioreactor of 750 L capacity. The sterile feed containing 8 g·L−1 glucose as substrate was fed at a flow rate […]

63. Samples of bacterial culture taken at 5 PM and then the next day at 5 AM were found to have 104 and 107 cells·mL−1, respectively. Assuming that both the […]

62. Cytoplasmic extract from the wild type strain of a bacterium has the ability to convert a colorless substrate (S) to a colored product (P) via three colorless intermediates X, […]

60. The standard free energy change (ΔG°′) for ATP hydrolysis is −30 kJ·mole−1. The in vivo concentrations of ATP, ADP and Pi in E. coli are 7.90, 1.04 and 7.90 […]