EASY
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Sucrose is composed of -

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Important Questions on Biomolecules

MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Write chemical reactions to show that open structure of D-glucose contains the following :
Aldehyde as carbonyl group
HARD
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Match the following lists.
  List-I   List-II   List-III
(A) Deoxyribose (i) Gums (I) Fatty acids
(B) Lipids (ii) C5H10O4 (II) True macromolecules
(C) Polymeric substances (iii) Trypsin (III) Cellulose
(D) Polypeptides (iv) Glycerol (IV) Carbohydrate

The correct match is:

MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Write chemical reactions to show that open structure of D-glucose contains the following :
Five alcohol groups
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
The Fischer presentation of D-glucose is given below

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The correct structure(s) of β-L- glucopyranose is(are)
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which of the following will not produce an aldehyde group at the anomeric carbon in solution?
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates

Sucrose is not:

EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Write the product when D-glucose reacts with conc. HNO3.
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
What are the products obtained on hydrolysis of sucrose?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
The number of chiral centers in (±)- glucose is
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
 All monosaccharides__________ Tollens' reagent.
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
What is the carbohydrate containing -CHO group known as?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
The reaction of concentrated sulphuric acid with carbohydrates C12H22O11 is an example of
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
What is the action of conc. HI with glucose ?
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Differentiate between the following :
Amylose and Amylopectin
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Sucrose contains glucose and fructose linked by :
HARD
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates

Define optical activity. How many optical isomers are possible for glucose.

HARD
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Write a note on polysaccharides.
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar.
Reason (R): Sucrose involves glycosidic linkage between C1 of β-glucose and C2 of α-fructose.
Choose the most appropriate answer from the options given below :
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Choose the correct statements from the following:
A) In a polysaccharide chain, the right end is reducing end and the left end is non-reducing end.
B) In a protein, the right end is a first amino acid called N-end, and the left end is called C-terminal.
C) Concanavalin A is a drug used to cure cancer along with vinblastin and curcumin.
D) GLUT-4 enables glucose transport into cells.
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
What is the advantage of storing glucose as glycogen in animals instead of as monomeric glucose?