Test: Biomolecules- 2


35 Questions MCQ Test Organic Chemistry | Test: Biomolecules- 2


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This mock test of Test: Biomolecules- 2 for Chemistry helps you for every Chemistry entrance exam. This contains 35 Multiple Choice Questions for Chemistry Test: Biomolecules- 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Biomolecules- 2 quiz give you a good mix of easy questions and tough questions. Chemistry students definitely take this Test: Biomolecules- 2 exercise for a better result in the exam. You can find other Test: Biomolecules- 2 extra questions, long questions & short questions for Chemistry on EduRev as well by searching above.
QUESTION: 1

The decreasing order of isoelectric point for the following a-amino acids is:
(I) Lysine            (II) Alanine         (III) Glutamic acid

Solution:

I. Lysine: pI = 9.87

II. Alanine: pI = 6.02

III. Glutamic acid: pl = 3.22

QUESTION: 2

In the reaction sequence 

The major product, X and Y respectively, are:

Solution:
QUESTION: 3

Which of the following is a monosaccharide:

Solution:
QUESTION: 4

Sucrose on hydrolysis gives:

Solution:
QUESTION: 5

Which gives red colour with Fehling’s solut ion:

Solution:
QUESTION: 6

Glucose when heated with CH3OH in presence of dry HCl gas, α-and β-methyl glucosides are formed. This is because it contains:

Solution:
QUESTION: 7

Which of the following carbohydrates is used in silvering of mirrors:

Solution:
QUESTION: 8

Starch undergoes hydrolysis in presence of mineral acids to:

Solution:
QUESTION: 9

When glucose is reacted with bromine water, the major product is:

Solution:
QUESTION: 10

A certain compound gives negative test with ninhydrin and positive test with Benedict’s solution, the compound is:

Solution:
QUESTION: 11

A disaccharide which give only glucose on hydrolysis is:

Solution:
QUESTION: 12

Biuret test is not given by:

Solution:
QUESTION: 13

The pH value of a solution in which a polar amino acid does not migrate under the influence of electric field is called:

Solution:
QUESTION: 14

Which of the following amino acids is not optically act ive:

Solution:
QUESTION: 15

Hydrolysis of sucrose is called:

Solution:
QUESTION: 16

Which of the following bases in not present in DNA:

Solution:
QUESTION: 17

Which one of the following is not present in RNA:

Solution:
QUESTION: 18

At the isoelectric po int, amino acids are present as:

Solution:
QUESTION: 19

Glucose and fructose can also be distinguished by:

Solution:
QUESTION: 20

Which of the following does not show mutarotation:

Solution:
QUESTION: 21

Glucose and mannose are:

Solution:
QUESTION: 22

There are 20 naturally occurring amino acids. The maximum number of tripeptides that can be obtained is:

Solution:

 

Naturally occurring amino acids are 20. Hence, number of possible tripeptides

= 20= 8000

QUESTION: 23

Lactose is made of:

Solution:
QUESTION: 24

The beta and alpha glucose have different specific rotations. When either is dissolved in water, their rotation changes until the same fixed value results. This is called:

Solution:
QUESTION: 25

Fructose reduces Tollen’s reagent due to:

Solution:
QUESTION: 26

Which of the following is a heterocyclic amino acid:

Solution:
QUESTION: 27

The sugar moiety present in RNA molecule is:

Solution:
QUESTION: 28

In transfer RNA anticodon for the messenger RNA codon G-C-A is:

Solution:
QUESTION: 29

Which of the following structures represents the peptide chain:

Solution:
QUESTION: 30

RNA differ from DNA in respect of a base:

Solution:
QUESTION: 31

A nannopeptide contains ………….. pepetide linkages:

Solution:
QUESTION: 32

A mixture of amylose and amylopectin is called:

Solution:
QUESTION: 33

α-maltose consists of:

Solution:
QUESTION: 34

Which one is not a constituent of nuclei acid:

Solution:
QUESTION: 35

The correct structure of the dipeptide gly-ala is:

Solution:

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