Exon part of m-RNAs have code for:

1. Protein

2. Lipid

3. Carbohydrate

4. Phospholipid

Which is the basis of genetic mapping of the human genome as well as DNA fingerprinting?

1. Polymorphism in the DNA sequence

2. Single nucleotide polymorphism

3. Polymorphism in the hnRNA sequence

4. Polymorphism in the RNA sequence

E.coli has only 4.6 × ${10}^6$ base pairs and completes the process of replication within 18 minutes, then the average rate of polymerization is approximately:

In the polynucleotide chain of DNA, a nitrogenous base is linked to the –OH of:

The term 'Nuclein' for the genetic material was used by :

1. Franklin

2. Meischer

3. Chargaff

4. Mendel 

Process of translation of the mRNA to protein begins when

1. Small subunit of ribosome encounters with mRNA

2. Aminoacylation of tRNA occurs

3. Amino acid activation occurs

4. Charged tRNA sequentially binds to the appropriate codon in mRNA

An mRNA synthesized by using 144 nucleotides is capable of producing a polypeptide chain of

1. 48 amino acids

2. 47 amino acids

3. 282 amino acids

4. 141 amino acids

Choose the odd one out with respect to Taylor's experiment

1. Used roots of Vicia faba

2. Utilised radioactive thymidine

3. Used heavy nitrogen

4. Proved DNA in chromosomes replicate semi-conservatively

Which one of the following is incorrectly matched pair with respect to DNA fingerprinting?

1. Size separation - Gel electrophoresis

2. VNTRs from Gel to Nylon paper - Blotting technique

3. Microsatellites - ESTs

4. RFLP amplification - PCR

DNA polymorphism is equivalent to allelic sequence variation and 

a. These are inheritable

b. These can be observed in non coding DNA

c. Satellite DNA is an example for such variations

1. All are correct

2. Only c is correct

3. Both a and c are incorrect

4. Only b is incorrect