Tag: iit jam biotechnology previous year paper PYQ

Q.10 Rain is falling vertically with a speed of 40 m s–1. Wind starts blowing with a speedof 16 m s–1 in the west to east direction. How should a […]

Q.9 Given the following sets:𝐴 = {2, 4, 6, 8, 10, 12}𝐵 = {8, 10, 12, 14, 16, 18}𝐶 = {7, 8, 9, 10 11, 12, 13}(𝐴 ∩ 𝐵) ∪ […]

Q.8 Which one of the following is transcribed by RNA polymerase III in eukaryotes?(A) 18S rRNA(B) 28S rRNA(C) miRNA(D) tRNA RNA polymerase III in eukaryotes specifically transcribes tRNA among the […]

Q.7 Which one of the following does NOT belong to the freshwater ecosystem?(A) Estuary(B) Lentic(C) Lotic(D) Wetland Estuaries represent transitional zones where freshwater rivers meet saline ocean water, distinguishing them […]

Q.6 Restriction enzymes that recognize the same nucleotide sequence but cleave atdifferent positions are called(A) heterohypekomers(B) isocaudomers(C) isoschizomers(D) neoschizomers The correct answer is (D) neoschizomers. Restriction enzymes that recognize the […]

Q.5 Which one of the following pairs of antibodies contains ‘J–chain’ in their multimericform?(A) IgA and IgE(B) IgA and IgM(C) IgD and IgE(D) IgD and IgG J-Chain in Multimeric Antibodies: […]

Q.4 A growing shoot of a germinating seedling encounters an underground obstacle.Which one of the following hormones elicits ‘triple response’ to the undergroundobstacle?(A) Auxin(B) Cytokinin(C) Ethylene(D) Gibberellins Ethylene elicits the […]

Q.3 Which one of the following is NOT a plant vascular tissue?(A) Phloem(B) Periderm(C) Stele(D) Xylem Answer: (B) Periderm Plant vascular tissues primarily consist of xylem and phloem, which conduct […]

Q.2 Arrange the following elements in increasing order of their electronegativityaccording to the Pauling scaleC, Na, Be and Br(A) Be, Na, C, Br(B) Br, C, Na, Be(C) Na, Be, C, […]

Q.1 Which one of the following compounds inhibits the polymerization of tubulin tomicrotubules in animal cells?(A) ATP(B) Taxol(C) Thymosin(D) Vinblastine Vinblastine inhibits tubulin polymerization to microtubules in animal cells. This compound, […]