Which one of the following is the start codon?

(1) UGA

(2) UAA

(3) UAG

(4) AUG

Which one of the following is not applicable to RNA ?

1. Complementary base pairing

2. 5' phosphoryl and 3' hydroxyl ends

3. Heterocyclic nitrogenous bases

4. Chargaff's rule

Identify the correct order of organisation of genetic material from largest to smallest.

(1) Chromosome, gene, genome, nucleotide

(2) Genome, chromosome, nucleotide, gene

(3) Genome, chromosome, gene, nucleotide

(4) Chromosome, genome, nucleotide, gene

In sea urchin DNA, which is double stranded 17% of the bases were shown to be

cytosine. The percentages of the other three bases expected to be present in this DNA

are

1. G/34%, A/24.5%, T/24.5%

2. G/17%, A/16.5%, T/32.5%

3. G/17%, A/33%, T/33%

4. G/8.5%, A/50%, T/24.5%

Select the correct option 

Commonly used vectors for human genome sequencing are

(1) T-DNA

(2) BAC and YAC

(3) Expression vectors

(4) T/A cloning vectors

The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C

(1) A-transcription, B-replication, C-James Watson

(2) A-translation, B-transcription, C-Ervin Chargaff

(3) A-transcription, B-translation, C-Francis Crick

(4) A-translation, B-extension, C-Rosalind Franklin

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

(1) The inducer

(2) A terminator

(3) A promoter

(4) The structural gene

Removal of introns and joining of exons in a defined order during transcription is called

(1) looping

(2) inducing

(3) capping

(4) splicing

What are those structures that appear as ‘beads-on-string’ in the chromosomes when viewed under electron microscope?

(1) Nucleotides

(2) Nucleosomes

(3) Base pairs

(4) Genes