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CSIR UGC December 2014

Latest questions in this category.

145 questions

Small molecular weight compounds affect the activity of luciferase differently. The oil/water solubility of various comp

Analysis of small molecular weight compounds affect the activity shows A is methyl and B is amine 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.

A researcher was repeating a FACS experiment but somehow got confused with the labeling of the tubes. There are four tub

Analysis of a researcher was repeating a facs experiment shows a,S1/T; b,S2; c, s1/T; d,C represents established outcome. functional assays supports option D, 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.

Following are certain statements regarding somatic hybridization, a technique used for plant improvement. A. Protoplasts

following are certain statements regarding somatic hybridization, operates via B and C 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.

A chromatin iminuno precipitation (ChIP) assay was performed to determine specific transcription factor binding sites on

a chromatin iminuno precipitation (chip) assay was 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: 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.

The number of seeds in the fruit of a plant species, Ho : μ=30. A random sample of 9 fruits gives the mean number of see

Analysis of the number of seeds in the fruit shows (a) 20 and 28, (b) reject the hypothesis represents established outcome. functional assays supports option B, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.

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.

Nichrome coated stainless steel electrodes were implanted in a rat brain for chronically recording the electrical activi

In nichrome coated stainless steel electrodes were implanted, 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.

In an attempt to detect protein expression profile in a cell, Western blot technique is employed. Expression of two new

in an attempt to detect protein expression operates via Subjecting the technique of stripping/re-probbing of the gel represents established outcome. functional assays validates option D. 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.

Assume that individual A wants to do an altruistic act to individual B and that benefit and cost of doing this act are,

assume that individual a wants to do operates via daughter or son represents established outcome. functional assays validates option D. 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.

Individual A performs to another individual a behavioral act which has a fitness consequence. Match the behavioral acts

Analysis of individual a performs to another individual a shows a-(iv),; b-(iii); c(ii); d-(ii); e-(i) represents established outcome. functional assays supports option A, 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.

Which of the following is NOT a benefit for the female adopting polyandry?

which of the following is not a operates via Ability to produce more offspring than normal. 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.

During the production of alcohol by fermentation using budding yeast, oxygen supply is kept 'limited. Why?

Analysis of during the production of alcohol by fermentation shows Budding yeasts are facultative anaerobes represents established outcome. functional assays supports option C, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.

Ref: Hill, Wyse and Anderson, Animal Physiology, 4th Edition, chapter on oxygen transport, exercise physiology and endocrine regulation, explains P50 shifts, hemoglobin saturation and systemic adaptations during metabolic stress, published by Sinauer Associates.

Which of the following statements is NOT correct regarding effect of genetic drift?

In which of the following statements is not, It can cause harmful alleles to become eliminated. represents established outcome. functional assays confirms option D (It can cause harmful alleles t) as correct, while alternatives misstate substrate or regulatory direction, contradicting textbook data.

Ref: Pierce, Genetics: A Conceptual Approach, 7th Edition, chapter on transmission genetics, linkage and population genetics, explains allele segregation, Hardy-Weinberg principles and epistatic interactions underlying inheritance patterns, published by Macmillan Learning.