Question # 1

In free state Glucose is present in:

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Grapes

Dates

Figs

All Fruits

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

Highest number of carbons are present in

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Butyric acid

Acetic acid

Palmitic acid

Oleic acid

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

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Primary

Secondary

Tertiary

Quaternary

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

Pick up ester bond present in nucleotide

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P-O-C

C-O-C

N-O-C

S-O-C

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

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Nucleoside

Nucleic acid

Nucleotide

Nuclein

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

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1

2

3

4

Which of the following nitrogenous base have methyl group

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Adenine

Guanine

Uracil

Thymine

Which of the following is dimer of glucose

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Sucrose

Fructose

Maltose

Cellulose

When Fructose form ring structure, It is

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6 Cornered

5 cornered

4 cornered

3 cornered

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

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1

2

Both

3

Pick a non-reducing sugar

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Lactose

Sucrose

Glucose

Fructose

___ gives blue color with iodine

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Glycogen

Dextrin

Cellulose

Starches

Glycerol, fatty acids and phosphoric acid give rise to:

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Phospholipid

Phosphatidic acid

Phosphatidyl choline

Phosphatidylethnoline

Both Glycoprotein and glycolipids are components of

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Plant Cell walls

Algal Cell Walls

Fungal Cell Wall

Biological Membranes

RNA and Proteins are components of

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Chromosomes

Receptors

Secretions

Ribosome

Insulin is a/an:

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Osmotic Protein

Transport Protein

Regulatory Protein

Catalytic Protein

All carbon atoms in a monosaccharide ____ have hydroxyl group

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Except one

Except Two

Without Exception

Except last

Glyosidic bond is formed by the

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Removal of Oxygen

Addition of Water

Addition of Oxygen

Removal of Water

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MDCAT Biology Chapter 3 Biological Molecules Online Test MCQs With Answers

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