Molecular Basis of Inheritance MCQ Questions & Answers in Botany

61. Spliceosomes are not found in cells of;

A Fungi

B Animals

C Bacteria

D Plants

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62. Which one of the following is not a part of a transcription unit in DNA ?

A The inducer

B A terminator

C A promoter

D The structural gene

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63. Removal of RNA polymerase III from nucleoplasm will affect the synthesis of :

A t RNA

B hn RNA

C m RNA

D r RNA

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64. Match the following RNA polymerases with their transcribed products :
(A) RNA polymerase I (i) tRNA
(B) RNA polymerase II (ii) rRNA
(C) RNA polymerase III (iii) hnRNA
Select the correct option from the following :

A (A)-(iii), (b)-(ii), (C)-(i)

B (A)-(i), (b)-(iii), (C)-(ii)

C (A)-(i), (b)-(ii), (C)-(iii)

D (A)-(ii), (b)-(iii), (C)-(i)

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65. The experimental proof for semiconservative replication of DNA was first shown in a

A Fungus

B Bacterium

C Virus

D Plant

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66. Escherichia coli fully labelled with $$^{15}N$$ is allowed to grow in $$^{14}N$$ medium. The two strands of DNA molecule of the first generation bacteria have

A different density and do not resemble parent DNA

B different density but resemble parent DNA

C same density and resemble parent DNA

D same density but do not resemble parent DNA

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67. What is not true for genetic code?

A It is nearly universal

B It is degenerate

C It is unambiguous

D A codon in mRNA is read in a non contiguous fashion

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68. Genetic code consists of

A adenine and guanine

B cytosine and uracil

C cytosine and guanine

D all the above

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69. Different mutations referrable to the same locus of a chromosome give rise to

A multiple alleles

B pseudoalleles

C polygenes

D oncogenes

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70. Select the correct match

A Alec Jeffreys - Streptococcus pneumoniae

B Alfred Hershey and - TMV Martha Chase

C Francois Jacob and - Lac operon Jacques Monod

D Matthew Meselson - Pisum sativum and F. Stahl

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61. Spliceosomes are not found in cells of;

62. Which one of the following is not a part of a transcription unit in DNA ?

63. Removal of RNA polymerase III from nucleoplasm will affect the synthesis of :

64. Match the following RNA polymerases with their transcribed products : (A) RNA polymerase I (i) tRNA(B) RNA polymerase II (ii) rRNA(C) RNA polymerase III (iii) hnRNASelect the correct option from the following :

65. The experimental proof for semiconservative replication of DNA was first shown in a

66. Escherichia coli fully labelled with $$^{15}N$$ is allowed to grow in $$^{14}N$$ medium. The two strands of DNA molecule of the first generation bacteria have

67. What is not true for genetic code?

68. Genetic code consists of

69. Different mutations referrable to the same locus of a chromosome give rise to

70. Select the correct match

Practice More MCQ Question on Biology Section

64. Match the following RNA polymerases with their transcribed products :
(A) RNA polymerase I (i) tRNA
(B) RNA polymerase II (ii) rRNA
(C) RNA polymerase III (iii) hnRNA
Select the correct option from the following :