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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, […]

Q.60 The restriction map of a circular plasmid is shown below, along with theindicated distances between the restriction sites. The plasmid was completely digested with EcoRI, and XhoI. The products […]

Q.59 If a fair coin is tossed two times, the probability that the first or the second tosswill be heads is __________ (rounded off to two decimal places). When a […]