Tag: GATE Life Science Previous Year Papers with Solutions

Q.2 The Headmaster __________ to speak to you. Which of the following options is incorrect to complete the above sentence? (A) is wanting (B) wants (C) want (D) was wanting […]

Q.1 If 3 ≤ x ≤ 5 and 8 ≤ y ≤ 11 then which of the following options is TRUE? (A) 3/5 ≤ x/y ≤ 8/5 (B) 3/11 ≤ […]

Q.80 The first step in the replication of a virus with the reverse transcriptase deals with the synthesis of(A) complementary strand of RNA(B) double stranded RNA(C) complementary strand of DNA(D) double […]

Q.79 Ten bacteria were inoculated into a rich medium. If at the end of ten hours the total number of cells is 104, then the number of elapsed generations and […]

Q.78 Match the Phylum in Group I with their characteristic motility appendage listed in Group II. Group I Group II P. Archaeozoa Q. Amoebozoa R. Ciliophora S. Apicomplexa I. Flagella […]

Q.77 Entry of λ phage lysogen to lytic phase is triggered by(A) mutation in theλ genome(B) loss of co-operativity in binding of λ repressor(C) increase in the λ repressor concentration(D) decrease […]

Q.76 Frederick Griffith used smooth (S) and rough (R) strains of Streptococcus pneumoniae in hisclassical experiment that showed DNA might be the genetic element. Which ONE of the followingobservations gave the […]

Q.75 Select the technique most appropriate to demonstrate that lactose induces the synthesis of β-galactosidase enzyme. Options: (A) Northern Blot (B) Western Blot (C) Quantitative PCR (D) Southern Blot Western […]

Q.74 Match the disease in Group I with their corresponding organism in Group II Group I Group II P. African sleeping sickness Q. Rocky mountain spotted fever R. Mumps S. […]

Q.73 Antibody coated pathogens are recognized by effector cells through(A) CD4 receptor (B) FC receptor (C) CD8 receptor (D) IFN gamma receptor Antibody-coated pathogens are recognized by effector cells through Fc […]