The following diagram depicts the structure of a:
1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein
How many types of nitrogenous bases are present in nucleic acid
(1)4
(2)3
(3)5
(4)6
The number of cyclic rings present in purines and pyrimidines are
(1)2,1 respectively
(2)1,2 respectively
(3)2,2 respectively
(4)1,1 respectively
How many phosphodiester bonds are present in 5’ATTTTTGG 3’ sequence of nucleotides
(1)7
(2)9
(3)8
(4)6
Both the strands of the DNA are joined by
(1)Disulphide bond
(2)hydrogen bonds
(3)Glycosidic bonds
(4)phosphodiester bonds
Which model explains the double helix nature of DNA
(1)Watson and Crick Model
(2)Gene Battery Model
(3)Sanger Sequencing
(4)Both A and C
The body meets the demand of essential amino acids through
(1) Food
(2) Body synthesised on its own
(3) Both A and B
(4) None of these
Which of the following is not the function of protein
(1)Act as hormones
(2)act as enzymes
(3)act as genetic material
(4)fight against infections
Which of the following is the most abundant protein in the whole of the biosphere?
(1)Collagen
(2)Albumin
(3)RUBISCO
(4)Antibody
Which of the following is present as a store house of energy in animal tissues?
(1)Cellulose
(2)Sucrose
(3)Glycogen
(4)Starch