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

Monosaccharides are major component of

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DNA, ATP, RuBP, Lecithin

DNA, NAD, Insulin

DNA, NAD, ATP, RuBP

DNA, RNA, Myosin

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

Both Glycoprotein and glycolipids are components of

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Plant Cell walls

Algal Cell Walls

Fungal Cell Wall

Biological Membranes

Pick the odd one

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Cellulose

Galactose

Agar

Pectin

All carbon atoms in a monosaccharide ____ have hydroxyl group

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Except one

Except Two

Without Exception

Except last

Which of the following is dimer of glucose

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Sucrose

Fructose

Maltose

Cellulose

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

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1

2

Both

3

Nucleotide is to ___ as amino acid is to ___

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Nucleic acids, Lipids

Nucleic acids, Proteins

Proteins, Lipids

Lipids, proteins

The next to simplest amino acid is

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Alanine

Glycine

Serine

Glutamine

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

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170

150

25

20

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

Insulin is a/an:

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Osmotic Protein

Transport Protein

Regulatory Protein

Catalytic Protein

How many nitrogen atoms are found in lecithin

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1

2

3

4

Which part of amino acid give its physical and chemical properties

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Amino group

Carboxylic group

Alpha carbon

Alkyl group

___ gives blue color with iodine

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Glycogen

Dextrin

Cellulose

Starches

Which of the following does not contain peptide bond

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Hemoglobin

Myoglobin

Insulin

Cutin

In free state Glucose is present in:

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Grapes

Dates

Figs

All Fruits

Pick out the phospholipid from the following

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Phosphatidylserine

Lecithin

Phosphatidylcholine

All

Glyosidic bond is formed by the

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Removal of Oxygen

Addition of Water

Addition of Oxygen

Removal of Water

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

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MDCAT Biology Chapter 3 Biological Molecules Online Test MCQs With Answers

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