CSIR UGC December 2013

CSIR UGC December 2013

Q145 An EEG was recorded and its power spectrum analyses were done in rats with implant electrode for a long time. The p

In q145 an eeg was recorded and its, A and B represents established outcome. functional assays confirms option B (A and B) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

Ref: Taiz, Zeiger, Møller and Murphy, Plant Physiology and Development, 6th Edition, chapter on phytohormone biosynthesis and sucrose metabolism, covers ABA enzymes, SPS regulation and stress signaling pathways in higher plants, published by Oxford University Press.

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CSIR UGC December 2013

Q144 At 25°C values of [θ]222, the mean residue ellipticity at 222 nm, are - 33,000 and -3,000 deg cm2 dmol⁻¹ for a poly

In q144 at 25°c values of [θ]222, the, 50% represents established outcome. functional assays confirms option B (50%) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

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 December 2013

Q143 Given below are the experimental protocols to find out the exact location of repetitive DNA sequence in mitotic chr

In q143 given below are the experimental protocols, Mitotic chromosomes were fixed on glass slide → denatured → represents established outcome. functional assays confirms option C (Mitotic chromosomes were fixed) 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 December 2013

Q142 A protein D is encoded by a gene, which is 5 Kb long and has three Hind III restriction enzyme sites. The first one

q142 a protein d is encoded by operates via 2 represents established outcome. functional assays validates option B. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

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 December 2013

Q141 A gene is regulated by a novel transcription factor. The following techniques may be used to identify the cis- regu

Analysis of q141 a gene is regulated by a shows end-labeled probe generates nested fragments on sequencing PAGE revealing protected gaps. DNase I protection supports option D, whereas distractors confuse random priming and fail to reproduce observed results.

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 December 2013

Q140 An unknown peptide was isolated from the leaf of a medicinal plant and purified to homogeneity. The peptide did not

In q140 an unknown peptide was isolated from, B and D represents established outcome. functional assays confirms option D (B and D) 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 December 2013

Q139 The following are certain facts regarding bioremediation: A. Biodegradable plastics are made using polyhydroxy alka

Analysis of q139 the following are certain facts regarding shows A, B and C represents established outcome. functional assays supports option A, 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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CSIR UGC December 2013

Q138 While designing an experiment for Agrobacterium mediated plant transformation, a student noted down the following p

In q138 while designing an experiment for agrobacterium, A, B and D represents established outcome. functional assays confirms option D (A, B and D) 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 December 2013

Q137 A transgenic plant is developed with the following T-DNA construct Which of the above are correct? In order to anal

q137 a transgenic plant is developed with operates via B, D and F represents established outcome. functional assays validates option B. 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 December 2013

Q136 In resting cells, proteins X and Y are localized in the cytosol. Upon stimulation with lipopolysaccharide (LPS), bo

q136 in resting cells, proteins x and operates via Anti red X and anti blue Y represents established outcome. functional assays validates option C. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

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 December 2013

Q135 Electrons are transferred from reduced c enzymes like NADH, NADPH to pyruvic acid its derivatives during fermentati

In q135 electrons are transferred from reduced c, A - b, B - c, C - d, D - a represents established outcome. functional assays confirms option C (A - b, B - c, C - d, D - a) as correct, while alternatives misstate substrate or regulatory direction, contradicting

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 December 2013

Q134 Foster pups were presented to a primiparous rat at the mid gestation period. Which of the following behaviour will

In q134 foster pups were presented to a, The rat shows maternal behaviour after few days of presentat represents established outcome. functional assays confirms option A (The rat shows maternal behavio) 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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