Question # 1

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

In free state Glucose is present in:

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Grapes

Dates

Figs

All Fruits

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

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Trypsin

Insulin

Keratin

Glucose

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

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Primary

Secondary

Tertiary

Quaternary

When Fructose form ring structure, It is

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6 Cornered

5 cornered

4 cornered

3 cornered

Which of the following sugar is abundant in muscle fibres

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Myoglobin

Starch

Glycogen

Oxygen

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

Pick the odd one

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Cellulose

Galactose

Agar

Pectin

Highest number of carbons are present in

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Butyric acid

Acetic acid

Palmitic acid

Oleic acid

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

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Peptide

Hydrogen

Ionic

Ester

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

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1

2

Both

3

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

RNA and Proteins are components of

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Chromosomes

Receptors

Secretions

Ribosome

Nucleotide is to ___ as amino acid is to ___

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Nucleic acids, Lipids

Nucleic acids, Proteins

Proteins, Lipids

Lipids, proteins

Pick a non-reducing sugar

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Lactose

Sucrose

Glucose

Fructose

Glycerol, fatty acids and phosphoric acid give rise to:

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Phospholipid

Phosphatidic acid

Phosphatidyl choline

Phosphatidylethnoline

Lipids store double amount of energy as compared to same amount of carbohydrates, because of

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Higher proportion of C-H bonds

Higher proportion of C-N bonds

Higher proportion of C-O bonds

Lower proportion of C-O-P bonds

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

Pick out the phospholipid from the following

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Phosphatidylserine

Lecithin

Phosphatidylcholine

All

Which part of amino acid give its physical and chemical properties

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Amino group

Carboxylic group

Alpha carbon

Alkyl group

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MDCAT Biology Chapter 3 Biological Molecules Online Test MCQs With Answers

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