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Published on: 02/09/2022
QB365 provides a detailed and simple solution for every Possible Creative Questions in Class 12 Chemistry Subject - Biomolecules, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Chemistry Test
1.
Proteins are not sensitive to
acids
bases
elevated temperature
water
2.
A dipeptide does not have
two peptide units
portions of two amino acids
an amino group
salt like structure
3.
Two amino acids say A, B react to give
two dipeptides
three dipeptides
four dipeptides
only one
4.
Which is not true of amino acid?
amino acid forms zwitter ion
has isoelectric point
dual behaviours
amino acid is insoluble in NaOH solution
5.
The building block of proteins are
α - hydroxy acids
α-amino acids
β-hydroxy acids
β-amino acids
6.
The amino acid without chiral carbon is
Glycine
Alanine
Proline
Tyrosine
7.
Inversion of sucrose refers to
oxidation of sucrose
reduction of sucrose
hydrolysis of sucrose to glucose and fructose
polymerisation of sucrose
8.
Glucose is not oxidised to gluconic acid by
Br2/H2O
Fehling's solution
Tollen's reagent
Conc.HNO3
9.
Sucrose contains glucose and fructose linked by
C1 - C1
C1 - C2
C1 - C4
C1 - C6
10.
Sucrose is not
a di-saccharide
a non-reducing sugar
hydrolysed to only glucose
hydrolysed to glucose & fructose
11.
Identify the reducing sugar.
Sucrose
Cellulose
Starch
Glucose
12.
Which is a monosaccharide among the following?
Sucrose
Cellulose
Maltose
Glucose
13.
Name the base present only in RNA
adenine
guanine
uracil
thymine
14.
Disaccharides have general formula
Cn(H2O)n
(CO2)n n,
Cn(H2O)n-1
Cn(H2O)2n-l
15.
Which among the following is called fruit sugar?
Glucose
Fructose
Sucrose
Maltose
1.
(d)
water
2.
(a)
two peptide units
3.
(d)
only one
4.
(d)
amino acid is insoluble in NaOH solution
5.
(b)
α-amino acids
6.
(a)
Glycine
7.
(c)
hydrolysis of sucrose to glucose and fructose
8.
(d)
Conc.HNO3
9.
(b)
C1 - C2
10.
(c)
hydrolysed to only glucose
11.
(d)
Glucose
12.
(d)
Glucose
13.
(c)
uracil
14.
(c)
Cn(H2O)n-1
15.
(b)
Fructose
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