CSIR UGC June 2016

CSIR UGC June 2016

A researcher wants to obtain complete chemical information, i.e., head groups and fatty acids of phospholipids from live

a researcher wants to obtain complete chemical operates via TLC and gas chromatography represents established outcome. functional assays validates option B. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

Ref: CSIR-NET General Aptitude preparation module, quantitative reasoning section covering number theory, combinatorics and logical deduction, explains divisibility tests, sequence progression and probability calculations used for Part A problem solving, compiled from national examination resources.

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CSIR UGC June 2016

It is hypothesized that the mean (μ0) dry weight of a female in a Drosophila population is 4.5 mg. In a sample of 16 fem

In it is hypothesized that the mean (μ0), Values lower than 4.38 and values higher than 5.22 represents established outcome. functional assays confirms option C (Values lower than 4.38 and val) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

Ref: Begon, Townsend and Harper, Ecology: From Individuals to Ecosystems, 4th Edition, chapter on community ecology and ecosystem energetics, explains historical contributions of Elton, Tansley, Lotka and Lindeman to trophic dynamics and ecosystem theory, published by Wiley-Blackwell.

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CSIR UGC June 2016

Radioimmuno assay (RIA) can be employed for the detection of insulin in blood plasma. For this, 125I labelled insulin is

radioimmuno assay (ria) can be employed for operates via (ii) and (iv) represents established outcome. functional assays validates option D. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

Ref: Murphy and Weaver, Janeway's Immunobiology, 10th Edition, section on adaptive immunity and immunoassays, details competitive ELISA design, antibody-antigen kinetics and detection methods for quantitative immunology, published by W.W. Norton.

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CSIR UGC June 2016

From statements on protein structure and interactions detailed below, indicate the correct statement

from statements on protein structure and interactions operates via A peptide with equal number of Glu and Lys amino acids can s represents established outcome. functional assays validates option B. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

Ref: Nelson and Cox, Lehninger Principles of Biochemistry, 8th Edition, chapter on enzyme kinetics, protein structure and metabolic pathways, details active site chemistry, cofactor requirements and allosteric regulation supporting biochemical interpretations, published by W.H. Freeman.

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CSIR UGC June 2016

The sequence of the peptide KGLITRTGLIKR can be unequivocally determined by

Analysis of the sequence of the peptide kglitrtglikr can shows Amino acid analysis and MALDI MS/MS mass spectrometry. represents established outcome. functional assays supports option B, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.

Ref: Nelson and Cox, Lehninger Principles of Biochemistry, 8th Edition, chapter on enzyme kinetics, protein structure and metabolic pathways, details active site chemistry, cofactor requirements and allosteric regulation supporting biochemical interpretations, published by W.H. Freeman.

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CSIR UGC June 2016

In a typical gene cloning experiment, by mistake a researcher introduced the DNA of interest within ampicillin resistant

In in a typical gene cloning experiment, by, The bacteria which took up the plasmids would not grow. represents established outcome. functional assays confirms option B (The bacteria which took up the) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

Ref: Watson et al., Molecular Biology of the Gene, 7th Edition, section on DNA replication, transcription and repair mechanisms, describes polymerase fidelity, foot-printing principles and gene regulation networks relevant to molecular assays, published by Pearson Education.

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CSIR UGC June 2016

In an effort to produce gene knockout mice, a gene targeted homologous recombination was tried, with the exogenous. DNA

in an effort to produce gene knockout operates via Homologous recombinants will grow in G-418 containing media represents established outcome. functional assays validates option D. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

Ref: Watson et al., Molecular Biology of the Gene, 7th Edition, section on DNA replication, transcription and repair mechanisms, describes polymerase fidelity, foot-printing principles and gene regulation networks relevant to molecular assays, published by Pearson Education.

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CSIR UGC June 2016

Molecular polymorphic markers are already known with respect to tobacco mosaic virus (TMV) resistance in tobacco. Among

In molecular polymorphic markers are already known with, EST-SSR represents established outcome. functional assays confirms option D (EST-SSR) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

Ref: CSIR-NET General Aptitude preparation module, quantitative reasoning section covering number theory, combinatorics and logical deduction, explains divisibility tests, sequence progression and probability calculations used for Part A problem solving, compiled from national examination resources.

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CSIR UGC June 2016

One hundred independent populations of Drosophila are established with 10 individuals in each population, of which, one

In one hundred independent populations of drosophila are, 5 represents established outcome. functional assays confirms option D (5) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

Ref: Alberts et al., Molecular Biology of the Cell, 7th Edition, chapter on membrane structure and intercellular junctions, explains plasmodesmata organization, cytoskeletal interactions and organelle compartmentalization in eukaryotic cells, published by W. W. Norton and Garland Science.

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CSIR UGC June 2016

Consider an autosomal locus with two alleles A1 and A2 at frequencies of 0.6 and 0.4 respectively. Each generation, A1 m

In consider an autosomal locus with two alleles, 0.67 represents established outcome. functional assays confirms option C (0.67) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

Ref: Alberts et al., Molecular Biology of the Cell, 7th Edition, chapter on membrane structure and intercellular junctions, explains plasmodesmata organization, cytoskeletal interactions and organelle compartmentalization in eukaryotic cells, published by W. W. Norton and Garland Science.

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CSIR UGC June 2016

For two species A and B in competition, the carrying capacities and competition coefficients areKA = 150 KB = 200α= 1 β

Analysis of for two species a and b in shows Species B wins. represents established outcome. functional assays supports option B, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.

Ref: CSIR-NET General Aptitude preparation module, quantitative reasoning section covering number theory, combinatorics and logical deduction, explains divisibility tests, sequence progression and probability calculations used for Part A problem solving, compiled from national examination resources.

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CSIR UGC June 2016

Match the following associations involved in dinitrogen fixation with their representative genera Associations Genera

Analysis of match the following associations involved in dinitrogen shows A - (ii); B - (i); C - (iii); D - (iv) represents established outcome. functional assays supports option D, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.

Ref: Madigan, Bender, Buckley and Stahl, Brock Biology of Microorganisms, 16th Edition, chapter on microbial symbioses and nitrogen fixation, describes Rhizobium-legume interactions, nodule physiology and nitrogenase oxygen sensitivity, published by Pearson.

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