DUET 2019 PhD in Plant Molecular Biology and Biotechnology Previous Queston Papers

Delhi University Entrance Test (DUET) 2019 PhD in Plant Molecular Biology and Biotechnology Previous Queston Papers

This post was last modified on 19 June 2020

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DUET Last 10 Years 2011-2021 Question Papers With Answer Key || Delhi University Entrance Test conducted by the NTA

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DU PhD in Plant Molecular Biology N Biotech

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Topic:- DU_J19_PHD_PMBB

Which of the following statements about G proteins is TRUE? [Question ID = 12345]
1. These bind to and are regulated by pyrimidine nucleotides [Option ID = 19378]
2. These are involved in signal amplification [Option ID = 19377]
3. These get activated when bound to GTP [Option ID = 19379]
4. These get activated when bound to cGMP [Option ID = 19380]
Correct Answer: These are involved in signal amplification [Option ID = 19377]
Which of the following statements about sporopollenin is FALSE? [Question ID = 12347]
1. Sporopollenin can withstand high temperatures and strong acids [Option ID = 19388]
2. Sporopollenin is one of the resistant organic materials [Option ID = 19386]
3. Exine has apertures called germ pores where sporopollenin is present [Option ID = 19385]
4. Exine is made up of sporopollenin [Option ID = 19387]
Correct Answer: Exine has apertures called germ pores where sporopollenin is present [Option ID = 19385]
Which of the following compounds is a phytoalexin? [Question ID = 12327]
1. Resveratrol [Option ID = 19306]
2. Calmodulin [Option ID = 19307]
3. Ferritin [Option ID = 19308]
4. Leghemoglobin [Option ID = 19305]
Correct Answer: Leghemoglobin [Option ID = 19305]
Which of the following class of compounds is a natural feeding deterrent against herbivores in plants? [Question ID = 12330]
1. Pyrethroids [Option ID = 19318]
2. Sterols [Option ID = 19317]
3. Defensins [Option ID = 19319]
Correct Answer: Sterols [Option ID = 19317]
Which of the following versions of BLAST can be used to search DNA sequence against a protein database? [Question ID = 12336]
1. BLAST-X. [Option ID = 19344]
2. BLAST-P [Option ID = 19341]
3. BLAST-N [Option ID = 19342]
4. Mega-BLAST [Option ID = 19343]
Correct Answer: BLAST-P [Option ID = 19341]

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Which of the following is used for measurement of intracellular Ca2+ in plant cells? [Question ID = 12332]
1. mCherry [Option ID = 19328]
2. Yellow Chameleon 3.6 [Option ID = 19326]
3. Rho-GFP [Option ID = 19327]
4. Citrulline [Option ID = 19325]
Correct Answer: Citrulline [Option ID = 19325]
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Which of the following is a methyl group donor? [Question ID = 12317]
1. Azacytidine [Option ID = 19268]
2. 5-methyl uracil [Option ID = 19267]
3. Methionine [Option ID = 19265]
4. S-adenosylmethionine [Option ID = 19266]
Correct Answer: Methionine [Option ID = 19265]
Which of the following is a major component of RISC? [Question ID = 12353]
1. AGO [Option ID = 19409]
2. HYL1 [Option ID = 19410]
3. HEN1. [Option ID = 19412]
4. Dicer [Option ID = 19411]
Correct Answer: AGO [Option ID = 19409]
Which is a protease response of Pseudomonas syringae? [Question ID = 12328]
1. Polygalacturonase [Option ID = 19310]
2. Systemin [Option ID = 19309]
3. Harpin [Option ID = 19312]
4. MAP kinase [Option ID = 19311]
Correct Answer: Systemin [Option ID = 19309]
Which of the following is a small RNA? [Question ID = 12314]
1. mRNA [Option ID = 19253]
2. hnRNA [Option ID = 19256]
3. rRNA [Option ID = 19255]
4. miRNA [Option ID = 19254]
Correct Answer: mRNA [Option ID = 19253]

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Which of the following is predominantly located in granal lamellae of chloroplast? [Question ID = 12315]
1. Cytochrome b6f [Option ID = 19260]
2. ATP synthase [Option ID = 19259]
3. PSII [Option ID = 19258]
4. PSI [Option ID = 19257]
Correct Answer: PSI [Option ID = 19257]
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Which of the following vectors can accommodate the largest DNA insert? [Question ID = 12351]
1. Lambda phage [Option ID = 19403]
2. Yeast artificial chromosome. [Option ID = 19404]
3. Plasmid [Option ID = 19401]
4. Cosmid [Option ID = 19402]
Correct Answer: Plasmid [Option ID = 19401]
Which of the following molecular probes is used to stain the nucleus? [Question ID = 12344]
1. DAPI [Option ID = 19375]
2. Rhodamine123 [Option ID = 19376]
3. H2DCFDA [Option ID = 19373]
4. Fura-2 [Option ID = 19374]
Correct Answer: H2DCFDA [Option ID = 19373]
Which region of the gene is under relatively high selective pressure during evolution? [Question ID = 12335]
1. 5' UTR [Option ID = 19337]
2. Intron [Option ID = 19340]
3. CDS [Option ID = 19339]
4. 3' UTR [Option ID = 19338]
Correct Answer: 5' UTR [Option ID = 19337]
Which type of kinase is involved in two-component signaling system? [Question ID = 12342]
1. Histidine kinase [Option ID = 19367]
2. Serine/threonine kinase [Option ID = 19365]
3. Arginine kinase [Option ID = 19368]
4. Tyrosine kinase [Option ID = 19366]
Correct Answer: Serine/threonine kinase [Option ID = 19365]

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Which one of the following is the botanical name of oil palm? [Question ID = 12334]
1. Olea europeaea [Option ID = 19334]
2. Cocos nucifera [Option ID = 19335]
3. Elaeis guineensis [Option ID = 19333]
4. Carthamus tintorius [Option ID = 19336]
Correct Answer: Elaeis guineensis [Option ID = 19333]
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Which polymer is deposited as an early response to pathogen attack in plants? [Question ID = 12326]
1. Callose [Option ID = 19304]
2. Cellulose [Option ID = 19302]
3. Stachyose [Option ID = 19301]
4. Amylose [Option ID = 19303]
Correct Answer: Stachyose [Option ID = 19301]
Which country is the largest producer of ginseng? [Question ID = 12321]
1. India [Option ID = 19284]
2. Egypt [Option ID = 19283]
3. Turkey [Option ID = 19282]
4. South Korea [Option ID = 19281]
Correct Answer: South Korea [Option ID = 19281]
In nature, cleistogamous flowers are: [Question ID = 12325]
1. Insect pollinated [Option ID = 19298]
2. Wind pollinated [Option ID = 19297]
3. Self pollinated [Option ID = 19299]
4. Bird pollinated. [Option ID = 19300]
Correct Answer: Wind pollinated [Option ID = 19297]
SH2 (Src Homology 2) domain specifically binds to: [Question ID = 12339]
1. Phosphorylated tyrosine residues [Option ID = 19354]
2. Phosphorylated serine residues [Option ID = 19353]
3. Ca2+. [Option ID = 19356]
4. GDP [Option ID = 19355]
Correct Answer: Phosphorylated serine residues [Option ID = 19353]

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Glutathione, which consists of glycine, glutamate and cysteine, is synthesized: [Question ID = 12318]
1. without a DNA template. [Option ID = 19272]
2. using a gene having 9 base coding sequence. [Option ID = 19269]
3. using a gene having 15 base coding sequence. [Option ID = 19271]
4. using a gene having 12 base coding sequence. [Option ID = 19270]
Correct Answer: using a gene having 9 base coding sequence. [Option ID = 19269]
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In an animal cell, programmed cell death (apoptosis) is morphologically defined as: [Question ID = 12343]
1. Lysis of lysosomes and Golgi apparatus. [Option ID = 19372]
2. Disruption of plasma membrane [Option ID = 19371]
3. Blebbing of cell membrane and shrinking of nucleus [Option ID = 19370]
4. Degradation of endomembranes [Option ID = 19369]
Correct Answer: Degradation of endomembranes [Option ID = 19369]
In a type of apomixis known as adventive embryony, embryos develop directly from the [Question ID = 12319]
1. accessory embryo sacs in the ovule. [Option ID = 19276]
2. nucellus or integuments. [Option ID = 19274]
3. zygote. [Option ID = 19273]
4. synergids or antipodals in an embryo sac. [Option ID = 19275]
Correct Answer: zygote. [Option ID = 19273]
Development of zygote without fertilization is: [Question ID = 12350]
1. Regeneration [Option ID = 19397]
2. Proliferation. [Option ID = 19400]
3. Embryogenesis [Option ID = 19398]
4. Parthenogenesis [Option ID = 19399]
Correct Answer: Regeneration [Option ID = 19397]
With reference to the 'protein substitution alignment scoring matrices', the term 'PAM60' stands for: [Question ID = 12333]
1. Permanent Accepted Mutation 60 [Option ID = 19329]
2. Promiscuously Accepted Mutation 60. [Option ID = 19332]
3. Preferred Accepted Mutation 60 [Option ID = 19330]
4. Point Accepted Mutation 60 [Option ID = 19331]
Correct Answer: Permanent Accepted Mutation 60 [Option ID = 19329]

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Norman Borlaug Institute for International Agriculture is in: [Question ID = 12324]
1. Texas [Option ID = 19293]
2. Florida [Option ID = 19295]
3. California [Option ID = 19294]
4. Colorado. [Option ID = 19296]
Correct Answer: Texas [Option ID = 19293]
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DNA replication proceeds [Question ID = 12309]
1. from 3' to 5'direction. [Option ID = 19234]
2. from 5' to 3' direction. [Option ID = 19233]
3. at 5' end in 5' to 3' direction and at 3' end in 3' to 5' direction. [Option ID = 19236]
4. in both directions. [Option ID = 19235]
Correct Answer: from 5' to 3' direction. [Option ID = 19233]
Deficiency of which enzyme will affect availability of NADPH? [Question ID = 12316]
1. a-keto glutarate dehydrogenase [Option ID = 19263]
2. Glucose 6-phosphate dehydrogenase [Option ID = 19261]
3. Citrate synthase [Option ID = 19262]
4. Succinate dehydrogenase [Option ID = 19264]
Correct Answer: Glucose 6-phosphate dehydrogenase [Option ID = 19261]
Who is the first 'Lokpal' of India? [Question ID = 12338]
1. Vinod Rai [Option ID = 19352]
2. Ranjan Gogoi [Option ID = 19350]
3. Deepak Mishra [Option ID = 19351]
4. Pinaki Chandra Ghose [Option ID = 19349]
Correct Answer: Pinaki Chandra Ghose [Option ID = 19349]
In which country, 'Yellow river' was associated with the ancient agriculture? [Question ID = 12322]
1. Australia [Option ID = 19288]
2. Iran [Option ID = 19285]
3. Egypt [Option ID = 19286]
4. China [Option ID = 19287]
Correct Answer: Iran [Option ID = 19285]

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Crossing of F1 heterozygous with the homozygous recessive parent is known as: [Question ID = 12352]
1. Back cross. [Option ID = 19408]
2. Test cross [Option ID = 19405]
3. Reciprocal process [Option ID = 19407]
Correct Answer: Test cross [Option ID = 19405]

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In the cAMP pathway, the G protein stimulates: [Question ID = 12340]
1. Receptor tyrosine kinase. [Option ID = 19360]
2. Phospholipase D [Option ID = 19359]
3. Phospholipase C [Option ID = 19357]
4. Adenylyl cyclase [Option ID = 19358]
Correct Answer: Phospholipase C [Option ID = 19357]
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Klenow fragment of DNA polymerase I of Escherichia coli lacks the following enzymatic activity: [Question ID = 12307]
1. 5'->3' polymerase [Option ID = 19225]
2. 5'->3' exonuclease [Option ID = 19226]
3. 3'->5' exonuclease. [Option ID = 19227]
4. All of these [Option ID = 19228]
Correct Answer: 5'->3' polymerase [Option ID = 19225]
Transgenic resistance against viral infection in plants has been achieved by the over-expression of: [Question ID = 12331]
1. Pathogenesis-related protein [Option ID = 19321]
2. Glucanase [Option ID = 19323]
3. Coat protein. [Option ID = 19324]
4. Reverse transcriptase inhibitors [Option ID = 19322]
Correct Answer: Pathogenesis-related protein [Option ID = 19321]
In eukaryotes, genes start with [Question ID = 12310]
1. either of exons or introns. [Option ID = 19239]
2. exons. [Option ID = 19237]
3. introns. [Option ID = 19238]
4. none of these. [Option ID = 19240]
Correct Answer: exons. [Option ID = 19237]
Gel filtration chromatography separates the molecules on the basis of their: [Question ID = 12354]
1. Solubility [Option ID = 19415]
2. Charge to mass ratio. [Option ID = 19416]
3. Charge [Option ID = 19414]
4. Stokes radius [Option ID = 19413]
Correct Answer: Stokes radius [Option ID = 19413]

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Reduction of nitrite to ammonia in plants requires: [Question ID = 12320]
1. Glutathione [Option ID = 19279]
2. NADH [Option ID = 19277]
3. Reduced ferredoxin. [Option ID = 19280]
4. NADPH [Option ID = 19278]
Correct Answer: NADH [Option ID = 19277]
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The diagram given below represents the sectional view of: [Question ID = 12348]
1. Campylotropous ovule. [Option ID = 19392]
2. Orthotropous ovule [Option ID = 19390]
3. Atropous ovule [Option ID = 19391]
4. Amphitropous ovule [Option ID = 19389]
Correct Answer: Amphitropous ovule [Option ID = 19389]
'Gamma garden' is associated with: [Question ID = 12311]
1. Growing plantlet produced by tissue culture [Option ID = 19241]
2. Growing genetically engineered plants on trial basis [Option ID = 19243]
3. Eradicating pathogens from infected plants [Option ID = 19242]
4. Mutation breeding for crop improvement. [Option ID = 19244]
Correct Answer: Growing plantlet produced by tissue culture [Option ID = 19241]
'Norin 10' is a cultivar of: [Question ID = 12323]
1. Maize [Option ID = 19290]
2. Rice [Option ID = 19289]
3. Wheat [Option ID = 19291]
4. Sorghum. [Option ID = 19292]
Correct Answer: Rice [Option ID = 19289]
A phenomenon in which second mutation that nullifies the effect of first mutation in a gene resulting in restoration of the wild type phenotype is known as: [Question ID = 12306]
1. synthetic enhancement. [Option ID = 19224]
2. Intragenic suppression [Option ID = 19222]
3. gene conversion [Option ID = 19223]
4. Intergenic complementation [Option ID = 19221]
Correct Answer: Intergenic complementation [Option ID = 19221]

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At steady state level, mRNAs of a gene in dark and light are equal, but in a run-on assay mRNA level is higher by two folds in light. Keeping this outcome in view, which of the following is correct? [Question ID = 12313]
1. mRNA is destabilized in dark [Option ID = 19250]
2. mRNA is destabilized in light [Option ID = 19252]
3. mRNA is stabilized in light [Option ID = 19251]
4. mRNA is stabilized in dark [Option ID = 19249]
Correct Answer: mRNA is stabilized in dark [Option ID = 19249]
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Gene promoters in eukaryotes: [Question ID = 12308]
1. always include TATA box [Option ID = 19229]
2. include TATA box only in presence of CAAT CAAT box [Option ID = 19232]
3. include TATA box and GC rich series [Option ID = 19230]
4. do not include TATA box [Option ID = 19231]
Correct Answer: always include TATA box [Option ID = 19229]
Fibrous thickenings of hygroscopic nature are found in which part of the anther wall? [Question ID = 12349]
1. Tapetum [Option ID = 19396]
2. Epidermis [Option ID = 19395]
3. Middle layers [Option ID = 19393]
4. Endothecium [Option ID = 19394]
Correct Answer: Middle layers [Option ID = 19393]
Peculiarity of RNA polymerase III function is that during transcription it can bind: [Question ID = 12346]
1. Does not bind to promoters at all. [Option ID = 19384]
2. Promoter sequences located upstream of the coding sequences [Option ID = 19382]
3. Promoter sequences located in coding regions of genes [Option ID = 19381]
4. Promoters located in 3'UTR [Option ID = 19383]
Correct Answer: Promoter sequences located in coding regions of genes [Option ID = 19381]
The resolution of an electron microscope is: [Question ID = 12312]
1. 200 nm. [Option ID = 19248]
2. 0.10 nm [Option ID = 19245]
3. 0.10 fm [Option ID = 19247]
4. 0.10 pm [Option ID = 19246]
Correct Answer: 0.10 nm [Option ID = 19245]

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The 'Position Specific Scoring Matrix' or PSSM can be used to define: [Question ID = 12337]
1. Protein function [Option ID = 19347]
2. Protein domain [Option ID = 19346]
3. Gene structure [Option ID = 19345]
4. Gene function. [Option ID = 19348]
Correct Answer: Gene structure [Option ID = 19345]
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The ABA receptor is known as [Question ID = 12341]
1. ABR [Option ID = 19363]
2. ABP [Option ID = 19362]
3. TIR. [Option ID = 19364]
4. PYR/PYL/RCAR [Option ID = 19361]
Correct Answer: PYR/PYL/RCAR [Option ID = 19361]
The 'gene-for-gene' concept related to the plant-pathogen interaction was proposed by H.H. Flor while working with [Question ID = 12329]
1. potato. [Option ID = 19313]
2. wheat. [Option ID = 19316]
3. maize. [Option ID = 19314]
4. flax. [Option ID = 19315]
Correct Answer: potato. [Option ID = 19313]
You are required to identify the differentially expressed genes in a transgenic versus non-transformed rice plant. Which of the following techniques would you employ? [Question ID = 12305]
1. RAPD. [Option ID = 19220]
2. Transcriptome analysis [Option ID = 19219]
3. Genome sequencing [Option ID = 19217]
4. ChIP assay [Option ID = 19218]
Correct Answer: Genome sequencing [Option ID = 19217]

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This post was last modified on 19 June 2020

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