Tag: GATE Life Science Previous Year Papers with Solutions

Q. 103 In an experiment involving Drosophila development, a large amount of purified bicoid mRNA was injected into the posterior end of a wild-type embryo, the resulting developing embryo will […]

Q. 102 Entamoeba histolytica is an intestinal parasite that causes dysentery in humans. This parasite resides in the isotonic environment of intestine and other tissues in the human body and […]

Q. 101 Glycoprotein hormones, hCG and eCG, are synthesized in women and mares respectively, during pregnancy. Both of these chorionic gonadotropin hormones (A) have only LH-like activity in their respective […]

Q. 100 In an experiment involving development of 64-cell stage sea urchin, an isolated animal hemisphere was combined with isolated micromeres. Which ONE of the following will be the resulting […]

Q. 99 Which ONE of the following mechanisms is used to coordinate the expression of multiple, related genes in eukaryotic cells? (A) Environmental signals enter the cell and bind directly […]

Q. 98 The primary function of polysaccharides attached to glycoproteins in the animal cell membrane is to (A) facilitate diffusion of molecules down their concentration gradients. (B) maintain membrane fluidity […]

Q. 97 The molecules, hexanoic acid, lysine, histidine and glucose, each contain 6 carbon atoms, but have completely different properties due to the presence of different functional groups. Which ONE […]

Q. 96 In a population, 600 individuals have MM blood group, 300 have MN blood group and 100 have NN blood group. What will be the frequencies of M and […]

Q. 95 During the gastrulation stage of amphibian development, ectoderm formation takes place by the expansion of epithelial cell sheet over mesodermal cells. This type of cell movement is termed […]

Q. 94 Which ONE of the following is often a life-threatening systemic inflammatory response? (A) Tuberculosis (B) Lupus erythematosus (C) Septic shock (D) Hypertension Septic shock stands out as the […]