CSIR UGC June 2015

CSIR UGC June 2015

Somatic embryogenesis is an important exercise in micropropagation and genetic engineering of plants. The following step

In somatic embryogenesis is an important exercise in, A and B represents established outcome. functional assays confirms option C (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 June 2015

The following genes have been genetically engineered to develop herbicide resistance in plants: A. Resistance to glyphos

In the following genes have been genetically engineered, A and C represents established outcome. functional assays confirms option D (A and C) 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 June 2015

The mean and standard deviation of serum cholesterol in a population of senior citizens are assumed to be 200 and 24mg/d

the mean and standard deviation of serum operates via below 192 and above 208 represents established outcome. functional assays validates option D. Other options propose substrate or regulatory direction, inconsistent with published kinetics and mutant phenotypes.

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 2015

The most important property of any microscope is its resolution (D) and can be calculated from the formulaD= 0.61λ/ N s

In the most important property of any microscope, A and C represents established outcome. functional assays confirms option A (A and C) 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 2015

In response to a drug, changes in protein levels were examined in a cell line. A pulse chase experiment was performed us

Analysis of in response to a drug, changes in shows Information is not sufficient to distinguish between the thr represents established outcome. functional assays supports option D, 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 2015

In a confirmatory test for HIV, one or more viral antigens are detected in the blood of patients. Following are the step

in a confirmatory test for hiv, one operates via C-A-B-D represents established outcome. functional assays validates option C. 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 2015

A gene from genomic library is screened by using hybridization technique. After hybridizing the probe, usually a stringe

a gene from genomic library is screened operates via A, C and D 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 June 2015

For the aquaculture farming of Indian major carps several techniques are used. Which one of the following is NOT used fo

for the aquaculture farming of indian major operates via Inbreeding represents established outcome. functional assays validates option C. 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 2015

A protein undergoes post-translational modifications. In an experiment to identify the nature of modifications, the foll

a protein undergoes post-translational modifications. in an operates via glycosylation 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 2015

Brothers A and B have the same father but different mothers. B wants A to help him, which involves both benefits (b) and

Analysis of brothers a and b have the same shows only if b>120 represents established outcome. functional assays supports option C, 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 2015

Homing pigeons, when released at a place far away from their home, use earth's magnetic field or the sun as navigational

In homing pigeons, when released at a place, In Experiment I, both Control and Test groups fly in the rig represents established outcome. functional assays confirms option A (In Experiment I, both Control ) 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 2015

Compared to K-selection, r-selection favours

In compared to k-selection, r-selection favours, rapid development, smaller body size and early, semelparous represents established outcome. functional assays confirms option A (rapid development, smaller bod) 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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