Tag: GATE Life Science Previous Year Papers with Solutions

Q.2 Choose the most appropriate word from the options given below to complete the sentence: His rather casual remarks on politics ______ his lack of seriousness about the subject. masked […]

Q.1 The question below consists of a pair of related words followed by four pairs of words. Select the pair that best expresses the relation in the original pair. Unemployed […]

Q.105 Among the following molecular process-biological effect pairs, identify the mismatched pair.(A) Histone deacetylation – activation of gene expression(B) Protein phosphorylation – signal transduction(C) DNA methylation – sex-specific control of […]

Q.104 Like any other trait, animal behavior also evolves by natural selection. Which one of the followingexamples is NOT true with regard to the evolution of behavior by natural selection?(A) The […]

Q.103 The relative number of individuals in each age group is an important demographic factor for thestudy of future growth trends, and this is normally depicted in the form of an […]

Q.102 Retroviruses, like the influenza virus, escape the detection of pre-existing antibodies in the host bygenerating surface antigen variants. They do so:(A) By editing the surface antigen post-translationally(B) Because RNA polymerase […]

Q.101 In Drosophila, mutations in homeotic genes result in which one of the following developmentaldefects?(A) The anterior portion of the embryo will not develop(B) Several segments in the anterior region of […]

Q.100 In vertebrates, the variations in the structure and function of nephrons are directly linked to theosmoregulatory requirements of the organisms depending on the habitats they live in. From theoptions given […]

Q.99 In a new species of moth, the genes for body colour (black, B, is dominant over grey, b), wing size(normal wing, W, is dominant over vestigial, w) and eye colour […]

Q.98 A newly discovered, recessively-inherited disease-susceptibility trait (DS) is observed only incotton plants with white flowers, although the flower colour (R) and DS are independentlyinherited. In a breeding programme, one variety […]