Question # 1

Which of the following bond is not present in tertiary structure of proteins

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Peptide

Hydrogen

Ionic

Ester

Most of the proteins are composed of _____ types of amino acids

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170

150

25

20

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

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1

2

Both

3

Secondary structure is the ultimate structural level of which of the following proteins?

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Trypsin

Insulin

Keratin

Glucose

Chemical formula of pentose sugar present in DNA

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C₅H₉O₅

C₅H₁₀O₅

C₅H₁₀O₄

None

Which of the following does not contain peptide bond

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Hemoglobin

Myoglobin

Insulin

Cutin

The simplest mono saccharide containing keto group is:

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Glyceraldehyde

Glucose

Dihydroxyacetone

Ribose

Highest number of carbons are present in

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Butyric acid

Acetic acid

Palmitic acid

Oleic acid

Monosaccharides are major component of

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DNA, ATP, RuBP, Lecithin

DNA, NAD, Insulin

DNA, NAD, ATP, RuBP

DNA, RNA, Myosin

Which of the following sugar is abundant in muscle fibres

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Myoglobin

Starch

Glycogen

Oxygen

In free state Glucose is present in:

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Grapes

Dates

Figs

All Fruits

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

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

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Primary

Secondary

Tertiary

Quaternary

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

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Nucleoside

Nucleic acid

Nucleotide

Nuclein

Glycerol, fatty acids and phosphoric acid give rise to:

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Phospholipid

Phosphatidic acid

Phosphatidyl choline

Phosphatidylethnoline

Pick a non-reducing sugar

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Lactose

Sucrose

Glucose

Fructose

In a DNA duplex , what will be distance in between two consecutive base pairs:

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3.4 Angstrom

34 Angstrom

0.34 Angstrom

340 Angstrom

Which part of amino acid give its physical and chemical properties

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Amino group

Carboxylic group

Alpha carbon

Alkyl group

The Organic biomolecule which is widespread in bacterial animal and plant cells is

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Wax

Glucose

Acyl glycerol

Phospholipids

___ gives blue color with iodine

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Glycogen

Dextrin

Cellulose

Starches

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