CSIR UGC March-2025 Evening Shift

CSIR UGC March-2025 Evening Shift

The mechanisms of action of calcitropic hormones are important for understanding the molecular basis of disease states r

Analysis of the mechanisms of action of calcitropic hormones shows Only C represents established outcome. functional assays supports option C, 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 March-2025 Evening Shift

With reference to the origin of multicellularity in different life forms, which one of the following statements is INCOR

with reference to the origin of multicellularity operates via The syncytial theory states that multicellular organisms aro 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 March-2025 Evening Shift

An ecologist calculates the Shannon-Wiener diversity index for an ecosystem with high species diversity. Which one of th

In an ecologist calculates the shannon-wiener diversity index, It is unaffected by the evenness of species abundances. represents established outcome. functional assays confirms option C (It is unaffected by the evenne) 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 March-2025 Evening Shift

The following statements were made about the alternative pathway of Complement activation in the immune system: A. The p

the following statements were made about the operates via B and D represents established outcome. functional assays validates option C. 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 March-2025 Evening Shift

In the classical metapopulation model articulated by Richard Levins (1969, 1970), the metapopulation is considered to be

In in the classical metapopulation model articulated by, A and B represents established outcome. functional assays confirms option A (A and B) 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 March-2025 Evening Shift

Consider the following statements on patterns in global biogeography. A. The endemicity of terrestrial mammal families i

In consider the following statements on patterns in, A: True, B: True, C: True, D: True represents established outcome. functional assays confirms option B (A: True, B: True, C: True, D: ) 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 March-2025 Evening Shift

A molecule absorbs light at 'X' nm wavelength and emits light as fluorescence at 'Y nm wavelength. Typically, there is a

Analysis of a molecule absorbs light at 'x' nm shows hc(Y-X) / XY 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 March-2025 Evening Shift

Normal yeast cells grow at 42°C. Five yeast haploid strains, with independent alleles of YFG1 having impaired cell growt

normal yeast cells grow at 42°c. five operates via A, B and C only represents established outcome. functional assays validates option C. 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 March-2025 Evening Shift

A mutation in a plant gene is female gametophyte lethal. This mutant allele can be normally transmitted through pollen.

a mutation in a plant gene is operates via 50 represents established outcome. functional assays validates option B. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

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 March-2025 Evening Shift

The lipid composition of the two monolayers of the plasma membrane is quite different. This lipid asymmetry is functiona

Analysis of the lipid composition of the two monolayers shows A and B represents established outcome. functional assays supports option B, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.

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 March-2025 Evening Shift

The interconversion of fructose 6-phosphate to fructose 1,6-bisphosphate is a critical step in central metabolism in pla

Analysis of the interconversion of fructose 6-phosphate to fructose shows C and D represents established outcome. functional assays supports option D, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.

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 March-2025 Evening Shift

The following statements are made about the involvement of the type III protein secretion system (T3SS) during bacterial

the following statements are made about the operates via A and D 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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