Order Biomolecules and Polymers

Order Biomolecules and Polymers
Order Biomolecules and Polymers
1. Glucose is a source of energy, which
one of the following types of molecule
is glucose ? [CDS 2016]
(a) Carbohydrate (b) Protein
(c) Fat (d) Nucleic acid
2. Lactose on hydrolysis gives
(a) glucose (b) fructose
(c) fructose glucose
(d) glucose galactose
3. Which one of the following carbohydrates
is used for silvering of mirror ?
(a) Sucrose (b) Maltose
(c) Glucose (d) Fructose
4. The reagent which may be used to
distinguish between cane sugar and
glucose solution is
(a) Molisch’s reagent
(b) Iodine solution
(c) Baeyer’s reagent
(d) Fehling’s solution
Order Biomolecules and Polymers
5. In honey, which one among the
following sugars predominates ?
[NDA/NA 2014]
(a) Sucrose (b) Fructose
(c) Galactose (d) Maltose
6. Which one of the following statements
regarding starch and cellulose is not
correct? [IAS (Pre) 1998]
(a) Both of them are of plant origin.
(b) Both of them are polymers.
(c) Both of them give colour with iodine
(d) Both of them are made up of glucose
molecules.
7. Statement I On hydrolysis, maltose
gives two molecules of glucose.
Statement II Maltose is used to
manufacture health drinks such as
maltova.
Codes
(a) Both the statements I and II are
individually true and statement II is
the correct explanation of statement I
(b) Both the statements are individually
true but statement II is not the correct
explanation of statement I.
(c) Statement I is true, but statement II is
false
(d) Both statement I and II are false.
8. Assertion (A) Cellulose is used in
making shatter-proof glass.
Reason (R) Polysaccharides are not
soluble in water. [IAS (Pre) 2006]
Codes
(a) Both A and R are true and R is the
correct explanation of A
(b) Both A and R are true, but R is not the
correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Order Biomolecules and Polymers
9. Consider the following statements.
I. Monosaccharides are the simple
carbohydrates.
II. Monosaccharides are sweet in taste.
III. Monosaccharides upon heating get
charred and give the smell of burning
sugar.
Which of the statement (s) given above
is/are correct?
(a) Only I (b) II and III
(c) I and III (d) I, II and III
10. Match List I with List II.
List I List II
A. Polysaccharide 1. Glucose
B. Trisaccharide 2. Sucrose
C. Disaccharide 3. Raffinose
D. Monosaccharide 4. Cellulose
Codes
A B C D A B C D
(a) 1 4 3 2 (b) 4 3 2 1
(c) 2 1 4 3 (d) 3 2 1 4
11. Among the following sweeteners,
which one has the lowest sweetness
value?
(a) Alitame (b) Aspartame
(c) Saccharin (d) Sucralose
12. Which one of the following artificial
sweetners is modified sugar?
[Astt. Comm. 2017]
(a) Aspartame (b) Succharin
(c) Sucralose (d) Alitame
13. Which of the following have coiled
helical structure ?
(a) Proteins (b) Lipids
(c) Carbohydrates (d) Vitamins
14. Which one of the following polymers is
made of proteins ? [IAS (Pre) 2017]
(a) Rubber (b) Cotton
(c) Wool (d) Jute
15. What is the bond between two amino
acids in a protein called ? [CDS 2005]
(a) Ester bond
(b) Glycosidic bond
(c) Peptide bond
(d) Phosphodiester bond
16. Chemical name of vitamin-A is
(a) thiamine
(b) axerophthol (retinol)
(c) ascorbic acid
(d) nicothamide
17. The metal present in Vitamin B12
is
(a) Iron (b) Manganese
(c) Cobalt (d) Magnesium
18. Which one of the following vitamins is
essential for coagulation of blood ?
(a) Vitamin-A (b) Vitamin-B12
(c) Vitamin-K (d) Vitamin-D
19. Vitamin B12 deficiency causes
pernicious anaemia. Animals cannot
synthesise vitamin B12. Humans must
obtain all their vitamin B12 from their
diet. The complexing metal ion in
Vitamin B12 is. [CDS 2016]
(a) Mg2
(Magnesium ion)
(b) Fe2
(Iron ion)
(c) CO3
(Cobalt ion)
(d) Zn2
(Zinc ion)
20. Which one of the following acids is also
known as Vitamin-C?
(a) Methanoic acid
(b) Ascorbic acid
(c) Lactic acid
(d) Tartaric acid