DUET Last 10 Years 2011-2021 Question Papers With Answer Key || Delhi University Entrance Test conducted by the NTA
- In order to align very distantly related protein sequences, one should use
- Which of the following file formats can be used to store genome annotations (e.g. gene coordinates)?
- Which of the following techniques can be used to identify DNA sequences where a particular transcription factor binds?
- Which of the following is NOT a genome editing technique?
- 'R-Avr interactions' are important in determining resistance of plants against
- M. Chalfie, S. Osamu and R.Y. Tsien received Noble Prize for the discovery of one of the following:
- A genomic library is:
a collection of clones with different DNA fragments representing genomic DNA of an organism. - The role of restriction endonucleases in bacteria is to degrade the invading phage DNA
- Poly A tail is added to the transcript by poly A polymerase post-transcriptionally
- Retrotransposons require the following for retrotransposition reverse transcription
- Transcriptional elongation involves phosphorylation of RNA polymerase II
- Proto-oncogenes are normal cellular genes
- Mutagenesis by ethidium bromide is brought about by translesion synthesis during replication
- Which step of translation does not require ribosome subunits at stop codon
- A polymer, which is deposited as an early response to pathogen attack in plants is one of the following: callose
- Which of the following is NOT a Pathogenesis-Related (PR) protein? Polyubiquitin
- Which of the following is an intermediate for the biosynthesis of terpenes? Mevalonic acid
- Which of the following class of compounds is a natural feeding deterrent against herbivores in plants? Pyrethroids
- Which of the following is a plant antimicrobial protein? Thaumatin
- Which of the following is an example of a plant disease resistance gene? Xa21
- Which of the following is an important component of the signaling pathway during Systemic Acquired Resistance (SAR)? Salicylic acid
- Which of the following pairs is haploid in nature? Antipodal cells and egg cell
- Endosperm is formed during double fertilization by two polar nuclei and one male gamete
- Lateral roots originate from the pericycle cells
- Long filamentous threads protruding at the end of a young cob of maize are styles
- Which of the following photoreceptors has homology with DNA photolyases? Cryptochromes
- 'Florigen', the mobile signal involved in transition to flowering in plants is a protein
- Which of the following plant hormones employs a two-component sensor-regulator system to regulate gene expression? Cytokinin
- The receptor of which of the following hormones is a component of E3 ligase involved in ubiquitin-mediated protein degradation? Auxin
- The production of which of the following hormones is triggered during invasion of plants by necrotrophs? Jasmonic acid
- The receptor for brassinosteroid, the steroid hormone present in plants, is localized in the plasma membrane
- Which of the following proteins is NOT in the same superfamily having seven closely packed transmembrane helices as the other three? Aquaporin
- Which of the following is NOT a common second messenger in cell signaling? Tyrosine
- Which of the following events normally activates a GTP-binding protein? Activation of an upstream guanine nucleotide exchange factor
- Consider visual transduction in rod photoreceptor cells of the retina. Which Cation-channel closure due to cGMP depletion normally amplify the signal in this pathway?
- Gibberellic acid (GA) signaling initiates by binding of GA to its receptor GID1
- What would you need to know to determine quantum yield of photosynthesis accurately? Amount of CO2 fixed and light absorbed
- The statistical test to determine 'goodness of fit' is: Chi-square test
- Expression levels of a gene can be monitored using following two techniques: Quantitative RT-PCR, nuclear run-on assay
- Neoisoschizomers are the restriction endonucleases that have same recognition and different cleavage sites
- Homopolymer tailing of cDNA can be achieved with one of the following: Terminal deoxynucleotidyl transferase
- Which of the following factors does not influence electrophoretic mobility? Stereochemistry of molecule
- Function of Beta-mercaptoethanol in SDS-page is for reduction of disulfide bonds in the proteins
- Mass spectrometer separates ions on the basis of which of the following? Mass to charge ratio
- Which of the following sequencing technologies is capable of delivering read-lengths of more than 10 kb? Pac-bio
- Which of the following approach is utilized by sequence alignment tool 'BLAST' to search sequence databases? Pair-wise sequence alignment
- In biochemical reactions, which of the following proteins can be used as a chaperone? heat shock proteins
- The selectable marker gene nptil encodes phosphotransferase
- In a biochemical reaction, which one can cleave proteins? RecA
- Which of the following plants is commonly used for production of bioethanol? Sugarcane
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