Q.1 Crossing over to describe physical exchange of chromosomal segment proposed by_________.
Morgen and Cuttle Sturtevant Hugo De Vries
Q.2 Genome mapping is also known as__________.
Identification of DNA coding sequence Chromosome mapping Identification of DNA non-coding sequence
Q.3 Genetic map is prepared to know________.
Distance between two gene Location of gene Recombinant frequency
Q.4 When phenotypic effect is known but the gene product is not known or not identified, this phenomena is____________.
Reverse genetics Forward genetics Both
Q.5 Once molecular markers (RFLPS, RAPDS, Microsatellites) tightly linked to gene of interest are identified, the next step in map based cloning is_______.
Genetic mapping Physical mapping Both
Q.6 Agrobacterium mediated transformation has been reported in_______.
Rice Maize Wheat
Q.7 Which of following interacts with several proteins to form the ribonuclease containing multiprotein complex that binds and degrades the sense m RNA?
Sense RNA r-RNA Anti – sense RNA
Q.8 Which of following restriction endonucleases that cut DNA sequences infrequently__________.
Type- I Type- II Type- III
Q.9 A replicon that stably inherited in extra chromosomal state________.
Bacteria Virus Plasmid
Q.10 A default splicing pattern in which the 3 introns separating the 4 ORFs are spliced out generating on m RNA that encodes 87 KDa transposase.
Germ splicing Somatic splicing Both
Q.11 A short DNA sequences of about 800-1400 bp and have the ability to transpose_______.
Composite transpose Insertion sequence Direct terminal repeats
Q.12 2-Deoxyribose is found in_______.
RNA Protein DNA
Q.13 The production of greater number of copies of a genome_______.
Replication Duplication Amplification
Q.14 Gene of an organism encodes specific proteins, which ultimately produce specific phenotype.
Structural gene Regulator gene Operator
Q.15 A small molecules and highly specific in their action.
Repressors Effectors Non-inducer
Q.16 Which of following is located at beginning of the lac operon?
Repressor Operator Attenuator
Q.17 E. coli is_______.
Circular Rectangular Gram negative
Q.18 Plasmid is double stranded circular________.
Single stranded RNA molecules DNA molecules RNA molecules
Q.19 Ribosome act as a factory for protein synthesis__________.
m-RNA r- RNA t- RNA
Q.20 Induces crown gall disease.
A. rhizoques A. radiobacter A. tumifacience
Q.21 Initiation codon is________.
UGA CUG AUG
Q.22 Operon are common in the organization of genes in______.
Fungus Bacteria Viruses
Q.23 The part of protein coding gene that is translated in to a protein is called________.
Intron Exon ORF
Q.24 Ligase_______.
Joins DNA fragment Cleaves DNA fragment Cuts DNA fragment
Q.25 Site useful for insertion of foreign DNA________.
Initiation of replication site of DNA Termination site of DNA Cleavage site
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