Macromolecules

_ are product of reaction of an alcohol and aromatic bi-functional acids.

In synthetic fibres, _ bonding is responsible for tensile strength.

The extent of un-saturation in a fat is expressed as its:

_ serve as carriers of heredity from one generation to the other.

Concentrated sugar solution undergoes hydrolysis into glucose and fructose by enzyme called:

In proteins, there are on the average _ amino acid units for each turn in helix:

In conjugated protein molecules, the protein is attached or conjugated to some non-protein group which are called:

Which acid is used in the manufacture of plastics?

The formula of acrylonitrile is:

Each molecule of haemoglobin is made up of nearly:

The nature of the amino acid ‘lysine’ is:

The catalyst used for the preparation of acrylonitrile is:

Glucose is converted into ethanol by the enzyme _ present in yeast.

Terylene, a polyester is an example of:

Macromolecules are described as large molecules built up from small repeating units known as:

Glucose and fructose are common examples of:

Aspartic acid is an acidic amino acid, which has chemical formula:

A polymer in which the number of amino acid residue is greater than 100 or molecular mass is greater than 1000, is known as:

When hexane dioic acid is heated with hexamethylene diamine, the compound formed is:

At intermediate value of pH, amino acids form Zwitter ions containing:

Which of the following has an amino R-group?

Which one of the following is an alpha amino acid?

The ―NH―CO is called:

Which enzyme is involved in the fermentation of glucose:

Ethene on polymerization gives the product polyethylene. This reaction may be called as:

Macromolecules are described as large molecules built up from small repeating units called:

Lactose is a sugar present in milk. It is an example of:

Adipic acid and hexamethylene diamine both of which have _ carbon atoms:

The reaction between fats and caustic soda is called:

Starch is a polymer of:

The principal energy storage carbohydrate in animals is:

The following dipeptide is called:

In basic conditions, amino acid exists in which of the following forms?

Animals store glucose in the form of glycogen in:

Collagen is a fibrous protein present most abundantly in:

The increased quantities of cholesterol in blood make plaque like deposits in the arteries causing:

Polyvinyl chloride is an example of:

Both ribose and deoxyribose are monosaccharides containing _ carbon atoms.

Polyvinyl acetate (PVA) is colourless and non-toxic resin used as an adhesive and as a binder for making:

What is the name of amino acid where ‘R’ is a CH3 group?

The formula of 'Zwitter ion' is represented by:

α-amino acids are compounds having carboxylic acid as well as amino functional groups attached to:

Two or more amino acids condensed to form protein by a peptide linkage which is present between two atoms:

The reaction:

gives a product called dipeptide molecule which is represented by:

The amino acids which largely exist in dipolar ionic form are:

Polystyrene is an additional polymer. Which one of the following structures representsthe monomer of polystyrene?

Collagen proteins are present in _ throughout the body.

Which one of the following bases is NOT present in RNA?

Fats are a type of lipid called glycerides. They are esters of long chain carboxylic acids:

Among the most common disaccharides, one of the following is present in the milk?

Which one of the following is an example of a condensation polymer?

Which one of the following reagents is used for identification of amino acids?

The structure shown below represent:

H

|

HC = C - CH₂ - C - COOH

| | |

N NH NH₂

\\ /

CH

At low pH or in acidic condition amino acid exists as:

Indicate the cyclic amino acid from the following:

The amino acids which are not prepared in the human body are called.

A polymer of empirical formula CH₂ has molar mass of 28000 gmol^-1. Its molecular formula will be:

Which one of the following is an example of a co-polymer?

Out of these, which nitrogen base is NOT present in DNA?

Which one of the following polymer is polystyrene?

Hemoglobin is a:

The structural formula for alanine is:

Select the correct Zwitter ionic structures of an amino acid:

Which one of the following amino acids is basic in nature?

This structure is:

In a laboratory experiment, when an unknown compound was added to a test tube containing iodine, the color of the tube became intense blue. What could be the unknown compound?

The percentage of cellulose in woody parts of trees is:

Which one of the following nitrogen bases is not present in DNA?

Which one of the following is the exact composition of carbohydrates?

Which one of the following polymers is called Nylon 6,6?

Which one of the following is the simplest amino acid?

In the formation of the Zwitter ion, which one of the following donates the proton?

Which one of the following are the main functions of DNA?

The monomers needed to make ‘Terylene’, i.e. a polyester are:

The amide linkage in Nylon-6,6 has the structure:

The IUPAC name of alanine is:

Acidic character of amino acid is due to:

Phosphoprotein comes under the type of which proteins:

Among the following, which compound is formed by addition polymerization:

Identify the monomers of Polyvinyl chloride:

In an aqueous solution, amino acids exist in an ionic form as shown below:This ionic form of amino acid is known as:

Amino acids react with each other such that -COOH group of one amino acid reacts with the -NH₂ group of another amino acid to give a condensed structure as shown below: What is the name of the circled part of this structure?

Nylon-6,6 is also called:

Which is the structure of polyvinyl chloride (polychloroethane)?

Amino acids are bi-functional compounds, with a general formula NH₂CH(R)CO₂H. A tripeptide is formed between Alanine (ala), Glycine (gly), and lysine (lys). There is no repetition of amino acid in this tri-peptide; suggest how many tri-peptides are possible?

According to Watson and Crick’s model of DNA, the DNA molecule consists of a double helix. What type of forces are responsible to keep two strands of DNA together?

Disposable cups are made of a polymer 'polystyrene'. Polystyrene is:

Which one of the following compounds is an additional polymer?

_ is a copper-containing protein found in blood plasma. It plays a crucial role in binding and transporting copper throughout the body.

When food reaches the stomach, the action of which of the following comes to an end due to acidic pH?

An enzyme used to decompose the lipids into fatty acids in our alimentary canal is:

Poly vinyl chloride (PVC) is the type of?

Deficiency of __________ causes loss of weight, appetite and taste:

Amino acids react with each other such that -COOH group of amino acids reacts with the another among acid to give a condensed structure as shown below:

What is the name of circled part of this structure?

The rate of reaction is directly proportional to

The two functional groups present in all amino acids are:

Which of the following is an amino acid?

Indicate the name of of structure given below.

Which of the following food product has lower energy per gram?