21.  Multiplication of DNA is called

A. Translation

B. Replication

C. Transduction

D. Transcription

Answer : Option B

View Answer

22.  Which is the smallest RNA ?

A. r RNA

B. m RNA

C. t - RNA

D. nuclear RNA

Answer : Option C

View Answer

23.  Genetic information are transfered from nucleus to cytoplasm of cell through

A. DNA

B. RNA

C. Lysosomes

D. Anticodon

Answer : Option B

View Answer

24.  The information from RNA to DNA are transfered by which process

A. Replication

B. Transcription

C. Translation

D. Reverse transcription

Answer : Option D

View Answer

25.  

Which statement is correct ?
(A) Degeneracy of code is related to third member of codon
(B) Single codon, codes for more than one aminoacid
(C) In codon first two bases are more specific
(D) In codons third base is wobble
(E) code is universal

A. A,B,C,D,E

B. A, B, D

C. A., C, D

D. A, C, D, E

Answer : Option D

View Answer

26.  DNA molecule has uniform diameter due to ?

A. Double stranded

B. Presence of phosphate

C. Specific base pairing between purine and pyrimidine

D. Specific base pairing between purine and purine

Answer : Option C

View Answer

27.  In a transcription unit promotor is said to be located towards

A. \(3^{1}\) end of structural gene

B. \(5^{1}\) end of structural gene

C. \(5^{1}\) end of template strand

D. \(3^{1}\) end of template strand

Answer : Option D

View Answer

28.  In DNA replication the primer is

A. A Small deoxyribonucleotide polymer

B. A small ribonucleotide polymer

C. Helix destalilizing protein

D. Enzyme taking part in joining nucleotides of new strands

Answer : Option B

View Answer

29.  Non - sense codons take part in

A. formation of unspecified aminoacids

B. Terminating message of gene controlled protein synthesis

C. Releasing t-RNA from polynucleotide chain

D. Conversion of sense DNA in to non-sense one

Answer : Option B

View Answer

30.  Select the correct sequence of following in DNA replication

A. single stranded binding proteins - Helicase - Topoisomerase - DNA polymerase

B. Helicase - single stranded binding proteins -Topoisomerase - DNA polymerase

C. Helicase - DNA polymerase - Topoisomerase - Single stranded binding proteins

D. Helicase - Topoisomerase - DNA polymerase - Single stranded binding proteins

Answer : Option B

View Answer