Question # 1

In a phospholipid molecule, phosphoric acid is attached to the carbon number_____ of glycerol.

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1

2

3

4

The bond formed between glucose and fructose to form sucrose

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α 1 , 4 Glycosidic bond

β 1 , 4 Glycosidic bond

α 1 , 2 Glycosidic bond

β 1 , 2 Glycosidic bond

Glycerol, fatty acids and phosphoric acid give rise to:

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Phospholipid

Phosphatidic acid

Phosphatidyl choline

Phosphatidylethnoline

When Fructose form ring structure, It is

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6 Cornered

5 cornered

4 cornered

3 cornered

Which of the following does not contain peptide bond

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Hemoglobin

Myoglobin

Insulin

Cutin

The compound formed by the combination of a base and a pentose sugar is called:

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Nucleoside

Nucleic acid

Nucleotide

Nuclein

F. Sanger was the first scientist who determined the ___ structure of a protein molecule

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Primary

Secondary

Tertiary

Quaternary

Chemical formula of pentose sugar present in DNA

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C₅H₉O₅

C₅H₁₀O₅

C₅H₁₀O₄

None

Which of the following sugar does not form a ring structure in a solution

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Glyceraldehyde

Ribose

Glucose

Fructose

In tertiary structure, presence of hydrophilic amino acids at the surface of proteins and hydrophobic amino acids buried inside, indicate

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Nature of bonding

Function of protein

Nature of medium

Shape of protein

In deoxyribose, oxygen is removed from carbon number

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1

2

3

4

The simplest mono saccharide containing keto group is:

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Glyceraldehyde

Glucose

Dihydroxyacetone

Ribose

Which level of protein structure is responsible for maintenance of helix shape of an enzyme

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Primary

Secondary

Tertiary

Quaternary

In a phospholipid molecule, fatty acid is attached to the carbon number_____ of glycerol.

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1

2

Both

3

How many nitrogen atoms are found in lecithin

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1

2

3

4

Which of the following is not a homopolysccharide?

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Starch

Chitin

Pectin

Glycogen

Pick up ester bond present in nucleotide

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P-O-C

C-O-C

N-O-C

S-O-C

Which of the following reaction is reverse of others

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Hydrolysis

Decondensation

Decomposition

Condensation

What is the theoretical number of chemically different dipeptide that can be made from 2 different amino acids

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1

2

4

8

______ are important components of brain and plasma membrane:

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Nucleoproteins

Glycolipids

Lipoproteins

Phospholipids

Which of the following is correct option

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Nucleoside does not contain phosphate

Nucleotide has three sub-units

Ester bond is present in acylglycerols

All

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