Question # 1

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

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Wax

Glucose

Acyl glycerol

Phospholipids

Glyosidic bond is formed by the

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Removal of Oxygen

Addition of Water

Addition of Oxygen

Removal of Water

Pick up the example of a dinucleotide:

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ATP

GTP

ADP

NAD

All carbon atoms in a monosaccharide ____ have hydroxyl group

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Except one

Except Two

Without Exception

Except last

Nucleotide is to ___ as amino acid is to ___

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Nucleic acids, Lipids

Nucleic acids, Proteins

Proteins, Lipids

Lipids, proteins

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

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Nucleoside

Nucleic acid

Nucleotide

Nuclein

Both Glycoprotein and glycolipids are components of

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Plant Cell walls

Algal Cell Walls

Fungal Cell Wall

Biological Membranes

Which of the following does not contain peptide bond

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Hemoglobin

Myoglobin

Insulin

Cutin

Insulin is a/an:

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Osmotic Protein

Transport Protein

Regulatory Protein

Catalytic Protein

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

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Glyceraldehyde

Ribose

Glucose

Fructose

Pick up the wrong statement from the following

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Oils are lighter than water

Animal fats are solid at room temperature

Specific gravity of fats is higher than water

Fats containing saturated fatty acids are solid

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

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

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

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Trypsin

Insulin

Keratin

Glucose

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

The next to simplest amino acid is

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Alanine

Glycine

Serine

Glutamine

Which part of amino acid give its physical and chemical properties

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Amino group

Carboxylic group

Alpha carbon

Alkyl group

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

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1

2

3

4

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

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1

2

Both

3

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

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Primary

Secondary

Tertiary

Quaternary

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MDCAT Biology Chapter 3 Biological Molecules Online Test MCQs With Answers

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