This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Chemistry Class 10 Chapter 13 - Biochemistry - 9
1.
how many kinds are there of nuclic acids?
a) 3
b) 2
c) 5
d) 4
2.
which one of the following is not a component of nucleotides?
a) Nitrogenous base
b) Carboxyl group
c) Phosphate group
d) Pentose sugar
3.
which one of the following is a nuclic acid?
a) Carbohydrate
b) Protein
c) Dna
d) Lipid
4.
which one of the following is responsible for the transmission of
Genetic informations?
a) Nuclic acids
b) Lipids
c) Proteins
d) Sugars
5.
who discovered the structure of dna?
a) Crick and mendel
b) Mendel and watson
c) Watson and crick
d) Pasteur and mendel
6.
the structure of dna was discovered in?
a) 1943
b) 1953
c) 1933
d) 1963
7.
when did watson and crick recievednobel prize?
a) 1972
b) 1962
c) 1950
d) 1953
8.
the pentose sugar in dna is a?
a) Thymine
b) Adenine
c) Deoxyribose
d) Ribose
9.
the two strands of a double helix of dna are held togather by means of?
a) Covalent bonds
b) Ionic bonds
c) None of these
d) Hydrogen bonds
10.
the pentose sugar in rna is a?
a) Uracil
b) Ribose
c) Deoxyribose
d) Thymine
This is more feedback!
This is the feedback!
