Tag: GATE Life Science Previous Year Papers with Solutions

Q.2 One of the parts (A, B, C, D) in the sentence given below contains an ERROR. Which one of thefollowing is INCORRECT?I requested that he should be given the […]

Q.1 If (1.001)1259 = 3.52 and (1.001)2062 = 7.85, then (1.001)3321 = (A) 2.23 (B) 4.33 (C) 11.37 (D) 27.64 Evaluating (1.001)3531 Using Exponential Laws Problems involving exponential expressions with […]

Q.105 Which of the following amino acid change (mutation) would MOST adversely affect the structure of an α-helix? (A) A valine residue changed to an isoleucine residue (B) A methionine […]

Q.104 Which of the following statements is/are TRUE about JUXTACRINE signaling? I.  The ligand and the receptor engage in reciprocal signaling II.  Both the ligand and the receptor are membrane associated […]

Q.103 From the point of view of the enzymatic reactions, which of the following DOES NOT belong here? (A) Telomerase (B) Reverse transcriptase (C) Taq polymerase (D) Primase Taq polymerase does not […]

Q.102 The term biological magnification refers to the increased levels of a toxin seen in successive trophic levels in a food web. Which one of the following options correctly states the […]

Q.101 Behavioral studies on animals have shown that there is relationship between mechanism of reproduction and male parental care (protecting eggs or the young ones). In aquatic invertebrates, fishes and amphibians […]

Q.100 The birth control pills contain hormonal formulations that may either arrest the ovulation or prevent the fertilization of egg. Some of the formulations do both. Which one of the following […]

Q.99 RNA is considered as the first genetic material to have evolved on the earth. Which one of the following properties of RNA is critical for its functioning as the genetic […]

Q.98 In which one of the following organisms, it is easiest to distinguish mutations on adjacent base pairs of DNA through genetic recombination experiments? (A) Bacteriophages (B) Yeast (C) Escherichia coli […]