Test: Level - 1 Biomolecules - 1


25 Questions MCQ Test Chemistry Class 12 | Test: Level - 1 Biomolecules - 1


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This mock test of Test: Level - 1 Biomolecules - 1 for Class 12 helps you for every Class 12 entrance exam. This contains 25 Multiple Choice Questions for Class 12 Test: Level - 1 Biomolecules - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Level - 1 Biomolecules - 1 quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Test: Level - 1 Biomolecules - 1 exercise for a better result in the exam. You can find other Test: Level - 1 Biomolecules - 1 extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
QUESTION: 1

The following molecule is called as?

Solution:

It is aldohexoses.

QUESTION: 2

D – ribose and 2 – deoxy – D – ribose are

Solution:

They are pentose sugar

QUESTION: 3

The sugar constituent of DNA is.

Solution:

Sugar constituent of DNA is D-2-deoxy ribose.

QUESTION: 4

Protein is.

Solution:

Protein is condensation polymer.

QUESTION: 5

Complete hydrolysis of RNA yields

Solution:

Complete hydrolysis of RNA yields a pentose sugar, phosphoric acid and nitrogeneous base.

QUESTION: 6

The spatial arrangement of the molecule is denoted by

Solution:

D is dextrotatry, L is leavorotatry.

QUESTION: 7

Choose the appropriate answer(s) for the below representation from the options given 

Solution:

They are, enatiomers as 1 is R, other is S. Therefore are stereo isomers. And dextro and levo.

QUESTION: 8

Protein is generally a polypeptide with _______ amino acid residues

Solution:

In protein more than 100 amino acids combine to form proteins

QUESTION: 9

Fibrous protein is.

Solution:

Keratin is fibrous protein

QUESTION: 10

The bond –CO–NH– is called

Solution:

Peptide linkage is present in proteins formed by combination of amino acids.

QUESTION: 11

Oxime is formed by treating glucose with

Solution:

Oxime is combination of carbonyl group and and hydroxyl groups.

QUESTION: 12

In aqueous solution, amino acids behave like:

Solution:

As both acidic and basic group is present and zwittter ion is formed

QUESTION: 13

Enzymes are used in the reaction as they are

Solution:

Enzymes are bio catalyst

QUESTION: 14

DNA fingerprinting means the

Solution:

DNA fingerprinting means sequence of bases on DNA is unique for a person.

QUESTION: 15

The “Repeating Unit” of glycogen is

Solution:
QUESTION: 16

Phospholipid is

Solution:

Phospholipid is esters of glycerol with phosphoric acid.

QUESTION: 17

Bees – wax is

Solution:

Bees wax is myricylpaimitate.

QUESTION: 18

Example of a typical homopolysaccharide is

Solution:

Polysaccharides are branched or unbranched polymer of monosaccharides. Homopolysaccharides contain a single type of monomers, .e.g., starch, glycogen, cellulose etc.

QUESTION: 19

The most appropriate structure for knowing about the sequence of nucleotides in the DNA chain is

Solution:

The most appropriate structure for knowing about the sequence of nucleotides in the DNA chain is primary structure.

QUESTION: 20

Acetylation of glucose yields

Solution:

Acetyl group adds in glucose, giving acetylation reaction.

QUESTION: 21

Which of the following is most soluble in water?

Solution:

As they have polar interactions in water hence are soluble.

QUESTION: 22

Which one is not the essential amino acid in the ones given below?

Solution:
QUESTION: 23

An example of antibody is

Solution:

Antibody gamma globulin

QUESTION: 24

The major component of starch is:

Solution:

Amylopectin is major component of starch.

QUESTION: 25

The vitamin that cannot be stored (except vitamin B12) in our body is

Solution:

Vitamin C is water soluble so cannot be stored in our body.

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