Genetic Basis of Inheritance-5

41. An inborn error of metabolism which eventually affects mental development is
a)Albinism
b)Phenylketonuria
c)Anaemia
d)Bleeder’s disease

42. Male is haploid in
a)Lizard
b)Cockroach
c)Honey bee
d)Bats

43. Klinefelter’s syndrome has number of chromosomes
a)47
b)46
c)45
d)44

44. One gene one enzyme hypothesis was proposed by
a)Jacob and Monod
b)Beadle and Tatum
c)Watson and Crick
d)Garrod and Jensen

45. DNA replication is
a)Conservative and discontinuous
b)Semiconservative and semidiscontinuous
c)Semiconservative and discontinuous
d)Conservative

46. Experimental material in the study of DNA replication has been
a)Escherichia coli
b)Neurospora crassa
c)Pneumococcus
d)Drosophila melanogaster

47. Nuclcotide arrangement in DNA can be seen by
a)X-ray crystallography
b)Electron microscope
c)Ultracentrifuge
d)Light microscope

48. A DNA with unequal nitrogen bases would most probably be
a)Single stranded
b)Double stranded
c)Triple stranded
d)Four stranded

49. Transcription involves synthesis of
a)DNA
b)tRNA
c)mRNA
d)rRNA

50. DNA tempalte sequence of CTGATAGC is transcribed over mRNA as
a)GUCTUTCG
b)GACUAUCG
c)GAUTATUG
d)UACTATCU

Answer
41B,42C,43A,44B,45B,46A,47A,48A,49C,50B

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