Molecular Basis of Inheritance MCQ Questions & Answers in Botany

41. All of the following are part of an operon except

A an operator

B structural genes

C a promoter

D an enhancer

Discuss Question

42. Which of the following is not required for any of the techniques of DNA fingerprinting available at present ?

A Polymerase chain reaction

B Zinc finger analysis

C Restriction enzymes

D DNA-DNA hybridization

Discuss Question

43. DNA fingerprinting refers to

A molecular analysis of profiles of DNA samples

B analysis of DNA samples using imprinting devices

C techniques used for molecular analysis of different specimens of DNA

D techniques us ed for identification of fingerprints of individuals

Discuss Question

44. The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?

A super-coiling in nucleosomes

B DNase digestion

C through elimination of repititive DNA

D deletion of non-essential genes

Discuss Question

45. Khorana first deciphered the triplet codons of

A serine and isoleucine

B cysteine and valine

C tyrosine and tryptophan

D phenylalanine and methionine

Discuss Question

46. If a completely radioactive double stranded DNA molecule undergoes two rounds of replication in a non-radioactive medium, what will be the radioactive status of the four resulting molecules?

A Half the number contain no radioactivity

B All four still contain radioactivity

C Three out of four contain radioactivity

D Radioactivity is lost from all four

Discuss Question

47. Non-membranous nucleoplasmic structures in nucleus are the site for active synthesis of

A tRNA

B protein synthesis

C mRNA

D rRNA

Discuss Question

48. Which one of the following makes use of RNA as a template to synthesize DNA?

A DNA polymerase

B RNA polymerase

C Reverse transcriptase

D DNA dependant RNA polymerase

Discuss Question

49. The process of translation is

A ribosome synthesis

B protein synthesis

C dNA synthesis

D rNA synthesis

Discuss Question

50. The RNA that picks up specific amino acids from the amino acid pool in the cytoplasm to ribosome during protein synthesis is called

A mRNA

B tRNA

C rRNA

D carrier RNA

Discuss Question

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

41. All of the following are part of an operon except

42. Which of the following is not required for any of the techniques of DNA fingerprinting available at present ?

43. DNA fingerprinting refers to

44. The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?

45. Khorana first deciphered the triplet codons of

46. If a completely radioactive double stranded DNA molecule undergoes two rounds of replication in a non-radioactive medium, what will be the radioactive status of the four resulting molecules?

47. Non-membranous nucleoplasmic structures in nucleus are the site for active synthesis of

48. Which one of the following makes use of RNA as a template to synthesize DNA?

49. The process of translation is

50. The RNA that picks up specific amino acids from the amino acid pool in the cytoplasm to ribosome during protein synthesis is called

Practice More MCQ Question on Biology Section