NAT I Medical Biology With Answers

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NAT I Medical Biology

Sr. # Questions Answers Choice
1 Plasmids are extra circular DNA molecules having genes for Antibiotic resistance Fertility Both A and B None
2 Plasmids were discovered by studying the sex life of the intestinal bacterium Entamoeba histolytica Escherichia coli Anabena Plasmodium
3 Molecular carrier or vector on which gene of interest could be placed is RNA C DNA Plasmids DNA
4 The enzyme cuts the DNA fragment with two ends Sticky ends Blunt ends Both A and B None
5 Gene can be synthesized in the laboratory from messenger RNA, using reverse transcriptase this synthesized molecule is called Complementary RNA Complementary DNA Both A and B None
6 Enzyme used for the cutting of chromosome is Ligase Kinase Polymerase Restriction endonuclease
7 Which of the genes can be synthesized in the laboratory Large genes Very small Medium sized genes Both A and B
8 Altered alternative forms of a gene whose number is more than two are known as Incomplete dominance Multiple alleles Double alleles None
9 Different alleles of a gene that are both expressed in a heterozygous condition are called Co dominance Incomplete dominance Over dominane Complete dominance
10 Abino is a ______ trait in humans Dominant Recessive Both a and b None
11 Mendel choose a pea plants for genetical purpose because of the  Easily cultivation Numerous varieties Generation time is reasonably short All of above
12 Rounded and wrinkled of seeds and all tall or dwarf plants represents  Genotype Genes Phenotype Homozygous genotype
13 Which of the following fail to express them selves in the heterozygous state Dominant alleles Recessive alleles Homozygous phenotype Heterozygous phenotype
14 Mendel cross-fertilized a true breeding rounded seed male plant with a true breeding wrinkled seeded female plant he called it a First parental generation First filial generation 2nd filial generation All of above
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