Biomolecules
TOPIC – Introduction , Metabolites , Carbohydrates
1. All the carbon compounds that we get 4. Which of the following statement is
from the living tissue can be called:- correct?
(1) Biomolecules (1) Lipid is biomacromolecule
(2) Slurry (2) Lipid has < 1000 daltons molecular
weight
(3) Retentate
(3) Proteins are heteropolymer
(4) All
(4) All the statement are correct except (1)
2. All the elements present in a sample of
earth's crust are also present in a sample 5. How many of the following statements
of living tissue, but which of the are incorrect:-
following element is higher in any living
i) Acid insoluble fraction has only four
organism than in earth's crust?
types of organic compounds.
(1) Hydrogen, Oxygen, Carbon and
ii) All the compound in acid insoluble
Silicon.
fraction have molecular weight in range
(2) Hydrogen, Oxygen, Carbon, Nitrogen of 10,000 Da and above.
and Silicon
iii) Molecular weight less than one
(3) Hydrogen, Oxygen, Carbon, Nitrogen thousand Dalton are usually referred to
and Sulphur. as Micromolecules.
(4) Hydrogen, Oxygen, Carbon, Nitrogen, iv) Biomacromolecules are simply
Sulphur and Sodium known as Biomolecules.
3. One of the following is correct (1) 1
sequence of carbohydrates in the order
(2) 2
of increasing complexity of chemical
structure. (3) 3
(1) Sucrose, starch, oligosaccharide, (4) 4
maltose, triose 6. Morphine is a/an;
(2) Triose, maltose, sucrose, (1) Alkaloid
oligosaccharide, starch
(2) Lectin
(3) Triose, glucose, maltose,
oligosaccharide, starch (3) Terpenoid
(4) Oligosaccharide, triose, starch, sucrose, (4) Drug
maltose
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7. The diagram represent: 10. Given below are two statements
(I) Starch produces blue colour after
binding with I2
(II) Cellulose cannot hold I2
(1) Ribose
Choose the choose the correct answer
(2) Glucose
(1) Both are wrong
(3) Both (1) and (2)
(2) Both are correct
(4) None of these
(3) (I) is correct (II) is incorrect
8. Given below are two statements : One
is labelled as Assertion (A) and the other (4) (II) is correct (I) is incorrect
is labelled as Reason (R).
11. Sweetest sugar among the naturally
Assertion (A): Amino acids are organic occuring sugars is :
compounds and are called α-amino
(1) Glucose
acids.
(2) Fructose
Reason (R): Amino acids are organic
compounds containing an amino group (3) Sucrose
and an acidic group as substituents on (4) Saccharine
the same carbon i.e., the α-carbon.
12. Given below are two statements: One
Choose the choose the correct answer is labelled as Assertion (A) and the other
(1) Both Assertion (A) and Reason (R) are is labelled as Reason (R).
true and Reason (R) is a correct explanation Assertion (A): Nucleic acids are found in
of Assertion (A). acid insoluble pool. Reason
(2) Both Assertion (A) and Reason (R) are (R): Nucleic acid are biomicromolecules
true but Reason (R) is not a correct
explanation of Assertion (A). Choose the correct answer from the
options given below:
(3) Assertion (A) is true but Reason (R) is
false. (1) Both Assertion (A) and Reason (R) are
true and Reason (R) is a correct explanation
(4) Assertion (A) is false but Reason (R) is of Assertion (A).
true.
(2) Both Assertion (A) and Reason (R) are
9. Filtrate obtained after grinding of living true but Reason (R) is not a correct
tissue is also known as:- explanation of Assertion (A).
(1) Slurry (3) Assertion (A) is true but Reason (R) is
(2) Acid - soluble false.
(3) Acid insoluble pool (4) Assertion (A) is false but Reason (R) is
true.
(4) All
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13. Following structure is – 16. Given below are two statements:
Statement I: Primary metabolites have
identifiable functions and play known
roles in normal physiological processes.
Statement II: Some secondary
metabolites have ecological importance.
In the light of the above statements,
Choose the correct answer from the
(1) -Glucose
option given below :
(2) -Glucose
(1) Statement I and Statement II both are
(3) Ribose correct.
(4) Deoxyribose (2) Statement I is correct, but Statement II
is incorrect.
14. Match the List-I with List-II and
choose the correct option. (3) Statement I is incorrect, but Statement II
is correct.
List-I List-II
(4) Statement I and Statement II both are
I. Essential oils A. Codeine
incorrect.
II. Toxins B. Curcumin
17. How many of the below are primary
III. Alkaloids C. Lemon grass oil metabolites
IV. Drugs D. Ricin Alkaloids; Flavonoids; Rubber; Essential
(1) I-A, II-B, III-D, IV-C oils; antibiotics; coloured pigments;
scents; Gums spices
(2) I-C, II-D, III-B, IV-A
(1) 7
(3) I-A, II-D, III-C, IV-B
(2) 9
(4) I-C, II-D, III-A, IV-B
(3) 5
15. Which one of the following sets of
monoseccharides forms sucrose? (4) None
18. All the following statements about the
(1) -D-Glucopyranose and -D-
structure of glycogen are true, except :-
fructofuranose
(1) Branched chains occur, after every ten
(2) -D-Glucopyranose and -D-
residues
fructopyranose
(2) It is a copolymer of glucose and
(3) -D-Galactopyranose and -D-
mannose
Glucopyranose
(3) It contains –1, 4–glycosidic linkages
(4) -D-Glucopyranose and -D-
fructofuranose (4) It contains –1, 6–glycosidic linkages
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19. Which of the following statement is 20. Which of the following organic
incorrect? compounds are acid insoluble fraction?
(1) Starch is a homopolymer. (a) Proteins
(2) Inulin is a polymer of fructose. (b) Nucleic acid
(3) In starch, the right end is reducing (c) Polysaccharides
while the left end is non reducing end.
(d) Lipids
(4) Starch forms helical secondary
(1) a, b & c
structures.
(2) b, c, & d
(3) a & c
(4) a, b, c & d
ANSWER KEY
1. (1) 2. (3) 3. (3) 4. (4) 5. (3) 6. (1) 7. (1) 8. (1) 9. (1) 10. (2)
11. (2) 12. (3) 13. (2) 14. (4) 15. (4) 16. (1) 17. (4) 18. (2) 19. (3) 20. (4)
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