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

If there are 10,000 nitrogenous base pairs in B-DNA then its length will be

(1)340nm

(2)3400nm

(3)34000nm

(4)340000nm

Cytidine is a

(1)nucleoside

(2)nitrogen base

(3)nucleotide

(4)nucleic acid

In rRNA, thymine pairs with 

(1)adenine

(2)uracil

(3)both 1 and 2

(4)None of these

Which one of the following nucleotide sequences contains only 4 pyrimidine bases?

(1)UAGCGGUAA

(2)TGCCTAACG

(3)GATCAATGC

(4)GCUAGACAA

New strands of DNA are formed only in

(1)5’→3’ direction

(2)3’→5’ direction

(3)In both directions

(4)There is no specific polarity