In hnRNA, tailing and capping takes place at the

1. 5’ and 3’ end respectively

2. 3’ and 5’ end respectively

3. 3’ and 3’ end respectively

4. 5’ and 5’ end respectively

Tailing of hnRNA takes place in a

1. template dependent manner

2. template independent manner

3. random manner

4. all of the above

In eukaryotes the process of splicing does not involve

1. removal of introns only

2. removal of introns and joining of exons

3. capping at 5’end

4. tailing at 3’end

The process of splicing involves represents the dominance of

1. DNA world

2. RNA world

3. Protein world

4. Nucleic Acid world

In which of the following process nucleic acid is not copied to nucleic acid

1. Transcription

2. Replication

3. Translation

4. all of the above

Which of the following is not true statement?

1. In translation, the transfer of genetic information from a polymer of nucleotides to a polymer of amino acids takes place.

2. complementarity exist between nucleotide sequences and amino acids sequences.

3. The basis for transcription and replication is complementarity.

4. A change in nucleic acid is responsible for change in amino acid

The proof for the triplet nature of codon was given by

1. George Gamow

2. Har Gobind Khorana

3. Marshall Nirenberg’s

4. Watson and Crick

Which of the following enzyme can be used for the polymerisation of RNA in a template independent manner

1. RNA Polymerase

2. RNA primase

3. polynucleotide phosphorylase

4. RNA phosphatase

codons are generated by 4 nitrogenous bases using laws of

1. Probability

2. Number system

3. Permutation and combination

4. Binomial theorem

How many statements are correct?

1. Codons are always triplet.
2. there are total 64 codons code for amino acids.
3. Codon is read in mRNA in non- contagious fashion.
4. Code is nearly universal.
5. Some amino acids are coded by more than one codon
6. Codon is ambiguous

1. 5

2. 2

3. 3

4. 4