Question # 1

Pick up ester bond present in nucleotide

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P-O-C

C-O-C

N-O-C

S-O-C

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

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

Nucleotide is to ___ as amino acid is to ___

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Nucleic acids, Lipids

Nucleic acids, Proteins

Proteins, Lipids

Lipids, proteins

Pick the odd one

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Cellulose

Galactose

Agar

Pectin

Glycerol, fatty acids and phosphoric acid give rise to:

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Phospholipid

Phosphatidic acid

Phosphatidyl choline

Phosphatidylethnoline

Which of the following nitrogenous base have methyl group

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Adenine

Guanine

Uracil

Thymine

The simplest mono saccharide containing keto group is:

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Glyceraldehyde

Glucose

Dihydroxyacetone

Ribose

______ are important components of brain and plasma membrane:

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Nucleoproteins

Glycolipids

Lipoproteins

Phospholipids

All carbon atoms in a monosaccharide ____ have hydroxyl group

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Except one

Except Two

Without Exception

Except last

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

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Trypsin

Insulin

Keratin

Glucose

Which of the following reaction is reverse of others

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Hydrolysis

Decondensation

Decomposition

Condensation

The next to simplest amino acid is

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Alanine

Glycine

Serine

Glutamine

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

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Nucleoside

Nucleic acid

Nucleotide

Nuclein

The amount of DNA in _____ is one half to that of_____:

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Somatic cells, Germ cells

Osteocytes, Somatic cells

Germ cells, Somatic cells

Somatic cells, Gametocytes

Pick out the phospholipid from the following

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Phosphatidylserine

Lecithin

Phosphatidylcholine

All

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

RNA and Proteins are components of

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Chromosomes

Receptors

Secretions

Ribosome

Which of the following is not a homopolysccharide?

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Starch

Chitin

Pectin

Glycogen

Pick up the example of a dinucleotide:

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ATP

GTP

ADP

NAD

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MDCAT Biology Chapter 3 Biological Molecules Online Test MCQs With Answers

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