Which of the following can act as genetic material?

(1)RNA only

(2)DNA only

(3)DNA but not RNA

(4)DNA and RNA

RNA cannot act as

(1)Adapter molecule

(2)Catalytic molecule

(3)Respiratory substrate

(4)Genetic material

RNA can act as

(1)Adapter molecule

(2)Catalytic molecule as well as Genetic material

(3)Structural molecule

(4)All of the above

How many types of nucleic acids are found in the living system?

(1)1

(2)2

(3)4

(4)3

The new era of genomics started with the determination of

(1) human genome sequence

(2)bacteria genome sequence

(3)discovery of PCR

(4)protein sequencing

The most interesting molecule in the living system is

(1) the most abundant genetic material

(2)the genetic material in most of the organisms

(3)the long polymer of deoxyribonucleotides

(4)all of the above

Which organism has more base pairs ?

1. E.coli

2. Bacteriophage

3. human

4. Yeast

How many types of nitrogenous bases are present in nucleic acid

(1) 4

(2) 3

(3) 5

(4) 6

Distance between two consecutive nucleotide pairs of DNA is

(1)0.34nm

(2)34angstrom

(3)3.4 micrometre

(4)34nm

If there are 10,000 nitrogenous base pairs in a DNA then how many nucleotides are there

(1)500

(2)10,000

(3)20,000

(4)40,000