The two sugars of honey are

Lecithin is a:

All the following are nucleosides except

Based on the graph of an enzyme catalyzed reaction, which of the following could be used to increase the reaction rate beyond point C

Which of the following sugar is not found in plants?

The number of carbon atoms in monosaccharide vary from

From which of the following skin pigment melanin is formed

Pigments, alkaloids, essential oils, rubber, gum, Terpenoids are called secondary metabolites because:

All are proteins except;

A nucleotide is formed of 95% water. Water present:

Sugars which are less sweet and less soluble in water are called

In a polysaccharide chain like glycogen, the right end is called reducing end since:

Nicotinamide can be synthesised in human body from:

From the following group, select the one which has only secondary metabolites?

Enzyme often have additional parts in their structures that are made up of molecules other than proteins. When this additional chemical part is an organic molecule, it is called

Cellulose is

Point out the alcoholic amino acid pair?

Coenzymes FMN and FAD are derived from vitamin:

Which one of the following pairs is not correctly matched?

The given graph shows the effect of substrate concentration on the rate of reaction of the enzyme green gram-phosphatise. What does the graph indicate?

Assertion: coenzymes or metal ions that is very tightly bound to enzyme protein is called prosthetic group. Reason: A complete, catalytically active enzyme together with its bound prosthetic group is called apoenzyme.

The vitamin Niacin functions as a coenzyme in:

Cotton fibres mainly contains

Cut surfaces of fruit and vegetables often become dark because

The sweetest of all naturally occurring sugar is

The simplest amino acid -

In enzyme pepsin

Erwin Chargaff formula is:

Which of the following statement is incorrect?

Which of the following have carbohydrate as prosthetic group?

Locomotion is a very important feature in animals. Considering the frequent need for locomotion in animals, an animal would obtain the greatest benefit from storing its energy as

The largest amount of cellulose (90%) amongst the natural material is present in

Hair keratin has

Tetroses are not very common, they are found rare in nature and in few

Select the number of wrong statements: (i) Starch, glycogen and cellulose are branched homopolymers of glucose. (ii) Cellulose and chitin are fibrous polysaccharides. (iii) Inulin or dahlia starch is a polymer of fructose. (iv) Inulin is the shortest Homopolysaccharide. (v) Chitin present in the exoskeleton of invertebrates is a polymer of N – acetyl glucosamine. (vi) Starch consists of a mixture of amylose and amylopectin. (vii) Cellulose contains complex helical structure and hence can hold iodine. (viii) In a polysaccharide chain, the right left is called the non reducing end and the left end is called the reducing end. (ix) In iodine test starch gives a blue colour because of its helical secondary structure.

Choose the incorrect statement:

In which one of the following sets of three items each belong to the category mentioned against them?

Identify the given structure

Which of the following is a carbohydrate?

Enzymes have:

Which of the following statements are true regarding secondary structure of proteins: (i) Linear polypeptide undergoes folding to give secondary structure. (ii) Hydrogen bonds present. (iii) Two types are present → α helix and β pleated structures.

Match the following:

Column I	Column II
a. Sulphur containing amino acid	Methionine
b. Nitrogen containing amino acid	Glycine
c. Optically inactive amino acid	Chitin
d. Sulphur containing carbohydrate	Chondrotin sulphate

Derivatives of phosphatidic acid, which are composed of glycerol, fatty acids and phosphoric acids are known as

Fatty acids which remain in liquid state at room temperature are said to be

Which of the following contain β-1,4 linkage?

Identify the incorrect statement regarding the structure of proteins

Which of the following is an essential amino acid?

Jute fibres deteriorate quickly because

Why sucrose is used instead of glucose to preserve fruit product?

A bond which is formed between Aldehyde or ketone group of monosaccharide and alcoholic group of another organic compound is known