The Dna

Which one of the following pairs of nitrogenous bases of nucleic acids is wrongly matched with the category mentioned against it?

1. Thymine, Uracil - Pyrimidines
2. Uracil, Cytosine - Pyrimidines
3. Guanine, Adenine - Purines
4. Adenine, Thymine - Purines

Identify the correct order of organization 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

Purines found both in DNA and RNA are:

1.	Cytosine and thymine	2.	Adenine and thymine
3.	Adenine and guanine	4.	Guanine and cytosine

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

1. Franklin

2. Meischer

3. Chargaff

4. Mendel

If the length of a DNA molecules is 1.1 metres, what will be the approximate number of base pairs?
1.
2.
3.
4.