Tag: GATE Life Science Previous Year Papers with Solutions

Q.97 Among the following options, choose the one that is probably a cause of rapid diversification ofanimal groups during the Cambrian explosion.(A) Adaptation of organisms to live in the salty environment […]

Q.96 Which of the following most accurately states the goal of systematics?(A) Classification scheme should reflect phylogenetic relationship(B) All animals should be classified based on the relatedness at the early embryonic […]

Q.95 Among the following cell structure-function pairs, identify the correctly paired one(A) Microvilli – engulfment of foreign bodies (B)Cytoskeleton – cell migration(C) Peroxisomes – cellular respiration (D) Nucleolus – mRNA transcription […]

Q.94 Which one of the following options provide example for the term “habituation” in behavioralecology?(A) A fish transferred to a fish tank startles initially for a hand clap, but not […]

Q.93 The term “ecological succession” refers to:(A) A process wherein newer species populate a region that was devoid of flora and fauna(B) A transition phase wherein one particular set of species […]

Q.92 The formation of antigen-antibody complex helps in disposing antigen through the followingpathways EXCEPT:(A) Neutralizing the antigen by blocking its activity(B) By directly hydrolyzing the antigen(C) By promoting the precipitation of […]

Q.91 Which one of the following defects do you expect to see if you were able to specifically blockapoptosis in the developing limb bud of a frog embryo?(A) The digits will […]

Q.90 Testicular feminization syndrome is a genetic condition wherein an individual with a XY genotypewill have an external female-like phenotype. This is caused by(A) Functional loss of androgen receptor(B) Increased production […]

Q.89 Control mechanisms operate at any of the several steps involved in gene expression. Which one ofthe following is the key mode of regulation during the cell cycle?(A) Transcription(B) mRNA processing(C) […]

Q.88 The primary difference between glycogen and cellulose is in the (A)types of constituent monosaccharides (B)number of monomers per molecule (C)configuration of the monomers (D)susceptibility to acid hydrolysis Glycogen and […]