Category: GATE Biotechnology Previous Year Papers with Solutions

A microorganism grows in a continuous chemostat culture of 60 m3 working volume with sucrose as the growth limiting nutrient at dilution rate, D = 0.55 h−1. The steady state […]

Red–green colour blindness is inherited as a recessive X-linked trait. Q.49 What will be the probability of having the colour-blind daughter to a phenotypically normal woman, who already had one […]

Red–green colour blindness is inherited as a recessive X-linked trait. Q.48 What will be the probability of having the colour-blind son to a woman with phenotypically normal parents and a […]

Q.47 HAT (hypoxanthine, aminopterin and thymidine) is used for selecting the hybridomas based on the following I. Only hybridoma will grow since it inherited the HGPRT genes from B-cells and […]

Q.46 Value of the determinant mentioned below is 1 0 −1 0 4 7 0 2 1 1 −1 1 2 0 2 1 (A) 24 (B) −30 (C) −24 […]

Q.45 Identify the CORRECT statements P. 5′ and 3′ ends of the transcripts can be mapped by utilizing polymerase chain reaction Q. S1 nuclease can cleave the DNA strand of […]

Q.44 Maximum specific growth rate (μmax) of a microorganism is calculated by taking the (ln = loge, X = biomass, t = time) (A) slope of ln X vs t […]

Q.43 Which of the following characteristics with respect to bacterial DNA polymerase III are TRUE? P. Initiation of chain synthesis Q. 5′ → 3′ polymerization R. 3′ → 5′ exonuclease […]

Q.42 Determine the correctness or otherwise of the following Assertion (a) and the Reason (r). Assertion: In synchronous culture, majority of the cells move to next phase of the cell […]

Q.41 Determine the correctness or otherwise of the following Assertion (a) and the Reason (r). Assertion: Isopropylthiogalactoside (IPTG) is a gratuitous inducer of lactose operon. Reason: Gratuitous inducers are chemical […]