BIOtvtOLECULES
,. If glucose units combine with each other to for~,
(2) p-1,4 linkage
starch . the addition of more glucose to this
polymer is always on (3) a-1 ,6 linkage
( 1) Reducing side (2) Non-reducing side
(4) p-1 ,6 li nkage
(3) Right side of chain (4) Both (1) & (3)
9. Which of the following enzymes h a v e sam e
2. Natural rubber is an example of substrate specificity but differ from one another
( i) Cholesterol (2) Phospholipid in their substrate affinity, activity maxi m a and
regulatory control?
(3) Terpenes (4) Essential oil
(1) Allosteric enzymes (2) Zymogens
3. The positional information regarding sequence of
amino add in a protein is included under (3) lsozymes (4) Coenzymes
(1) Quarternary structure 10. Which category of molecule is formulated by
applying CnH2 n-2x0 2 empirical formula
(2) Secondary structure
( 1) Stearic acid (2) Oleic acid
(3) 3-0 structure
(3) Cellulose (4 ) Glucose
(4) Primary structure
11 . Which of the following are different in RNA and
4. Which of the following enzyme catalyses the DNA?
removal of groups from subst rat es by
mechanism other than hydrolysis, leaving a (1) Purines and Pyrimidines
double bond? (2) Phosphate and sugar
(1) Dehydrogenase (2) Transf erase (3) Sugar and purine
(3) Lyase (4) Ligase (4) Sugar and pyrimidine_
5. Find the odd one w.r.t. wax . 12. Which statement is not suitable for protei ns or
amino acid?
(1) Spermaceti (2) Wool fat
( 1) They are substituted methanes
(3) Cerumen (4) Sesame oil
(2) They are heteropolymers
6. Nitrogenous compound present in lecithin is
(3) They have both NH 2 and COOH groups
(1) Ethanolamine (2) Inositol (4) All protein forming amino acids are optically
(3) Serine (4) Choline active
7. 13. Following metabolites are insolul)e in CLCCOOH
If the R-group in the proteinaceous amino acid is ..l
except
hydroxymethyl, th~ amino acid will be
(1) G1ycine (1) Proteins (2) Nucleic acid
(2) Alanine
(3) Lipids (4) Monosaccharides
(3) Serine (4) Aspartate
14. Which of the followi ng site of arnino acid is
8. Amylopectin and glycogen are branched involved in the formation of peptide bond in a
homopolymers of glucose residue . At th e polypeptide chain if this amino acid ,s considered
branching point which type of linkage Is found? at 1• 1 position?
(1) u -1,41inkage
, (3) Class V (4) Class VI
RJ
22. The position A, B and C in a flgure are
1 I 2
H2N -C-COO H represented by
14
H
( 1) 1 (2) 2
(3) 3 (4) 4
15. Control of bacterial pathogen effected through
using sulpha drugs to inhibit synthesis of folic
acid in bacteria is an example of A B C
(1) Competiti ve inhibition (1) Choline Glycerol Fatty acid
phosphate residue
(2) Non-com petitive inhibition
(2) Glycerol Fatty acid Choline
(3) Allosteric inhibition
phosphate
(4) Feedback inhibition
(3) Fatty acid Glycerol Choline
16. Which of the following is glycosidi c bond in phosphate
carbohyd rates? Phosphat e Fatty acid
(4) Choline
(1) C=O (2) C- N - C phosphate residue
(3) CO= NH (4) C- 0- C 23. Which of the following nitrogeno us base has
methyl group at position 5 in the ring?
17. Mark the bond absent in a nucleotide.
(1) Uracil (2) Cytosine
(1) Glycosidic bond (2) Phospho diest er
(3) Thymine (4) Adenine
bond
(3) Hydrogen bond (4) Both (2) & (3) 24. Some enzymes require metal ions for their
activity 'X' is a cofactor for proteolyti c enzyme
18. Which of the following shortest fatty acid found carboxypeptidase. Here 'X' is
in butter and makes it soft? (2) Zinc
(1) Magnesium
(1) Oleic acid (2) Linoleic acid
(3) Iron (4) Copper
(3) Butyric add (4) Linolenic acid
25. In ATP, high energy bond occurs between
19. The chemical and physical properties of amino ( 1) Phosphate and phosphate
acids are due to
(2) Ribose and phosphate
(1) Amine group (2) Carboxyl group
(3) Adenine and phosphate
(3 ) R-group (4) All of these
(4) Adenine and ribose
20. Exoskele ton of arthropod s have a complex
26. Mark the exception w.r.t. secondary metabolites.
polysaccharide called chitin. That is _ X_ . It
(1) Morphine (2) Vinblastin
has _ Y_ _ as its building blocks.
y (3) Lecithin (4) Cellulose
X
27. Find the incorrect statement .
(1) Homopolymer N-acetyl glucosamine
(1) Km value is the substrate concentration at
(2) Heteropolymer N-acetyl glucosamine
which half maximal velocity is attained
(3) Homopolymer N-acetyl galactosamine (2) Phospholipids are amphipathic carrying both
(4) Heteropolymer N-acetyl galactosamine hydrophilic and hydrophobic ends
21 . Which class of enzyme catalyzes following (3) Living state is non-equilibrium steady state to
reaction? be able to perform work
X y (4) Proteins or their units are substituted ethane
I I
C - C ~ X-Y+C = C 28. Consider following graphs regarding the effect of
(1) Class Ill (2) Class IV change of different factors on enzyme activity
,. If glucose units combine with each other to for~,
(2) p-1,4 linkage
starch . the addition of more glucose to this
polymer is always on (3) a-1 ,6 linkage
( 1) Reducing side (2) Non-reducing side
(4) p-1 ,6 li nkage
(3) Right side of chain (4) Both (1) & (3)
9. Which of the following enzymes h a v e sam e
2. Natural rubber is an example of substrate specificity but differ from one another
( i) Cholesterol (2) Phospholipid in their substrate affinity, activity maxi m a and
regulatory control?
(3) Terpenes (4) Essential oil
(1) Allosteric enzymes (2) Zymogens
3. The positional information regarding sequence of
amino add in a protein is included under (3) lsozymes (4) Coenzymes
(1) Quarternary structure 10. Which category of molecule is formulated by
applying CnH2 n-2x0 2 empirical formula
(2) Secondary structure
( 1) Stearic acid (2) Oleic acid
(3) 3-0 structure
(3) Cellulose (4 ) Glucose
(4) Primary structure
11 . Which of the following are different in RNA and
4. Which of the following enzyme catalyses the DNA?
removal of groups from subst rat es by
mechanism other than hydrolysis, leaving a (1) Purines and Pyrimidines
double bond? (2) Phosphate and sugar
(1) Dehydrogenase (2) Transf erase (3) Sugar and purine
(3) Lyase (4) Ligase (4) Sugar and pyrimidine_
5. Find the odd one w.r.t. wax . 12. Which statement is not suitable for protei ns or
amino acid?
(1) Spermaceti (2) Wool fat
( 1) They are substituted methanes
(3) Cerumen (4) Sesame oil
(2) They are heteropolymers
6. Nitrogenous compound present in lecithin is
(3) They have both NH 2 and COOH groups
(1) Ethanolamine (2) Inositol (4) All protein forming amino acids are optically
(3) Serine (4) Choline active
7. 13. Following metabolites are insolul)e in CLCCOOH
If the R-group in the proteinaceous amino acid is ..l
except
hydroxymethyl, th~ amino acid will be
(1) G1ycine (1) Proteins (2) Nucleic acid
(2) Alanine
(3) Lipids (4) Monosaccharides
(3) Serine (4) Aspartate
14. Which of the followi ng site of arnino acid is
8. Amylopectin and glycogen are branched involved in the formation of peptide bond in a
homopolymers of glucose residue . At th e polypeptide chain if this amino acid ,s considered
branching point which type of linkage Is found? at 1• 1 position?
(1) u -1,41inkage
, (3) Class V (4) Class VI
RJ
22. The position A, B and C in a flgure are
1 I 2
H2N -C-COO H represented by
14
H
( 1) 1 (2) 2
(3) 3 (4) 4
15. Control of bacterial pathogen effected through
using sulpha drugs to inhibit synthesis of folic
acid in bacteria is an example of A B C
(1) Competiti ve inhibition (1) Choline Glycerol Fatty acid
phosphate residue
(2) Non-com petitive inhibition
(2) Glycerol Fatty acid Choline
(3) Allosteric inhibition
phosphate
(4) Feedback inhibition
(3) Fatty acid Glycerol Choline
16. Which of the following is glycosidi c bond in phosphate
carbohyd rates? Phosphat e Fatty acid
(4) Choline
(1) C=O (2) C- N - C phosphate residue
(3) CO= NH (4) C- 0- C 23. Which of the following nitrogeno us base has
methyl group at position 5 in the ring?
17. Mark the bond absent in a nucleotide.
(1) Uracil (2) Cytosine
(1) Glycosidic bond (2) Phospho diest er
(3) Thymine (4) Adenine
bond
(3) Hydrogen bond (4) Both (2) & (3) 24. Some enzymes require metal ions for their
activity 'X' is a cofactor for proteolyti c enzyme
18. Which of the following shortest fatty acid found carboxypeptidase. Here 'X' is
in butter and makes it soft? (2) Zinc
(1) Magnesium
(1) Oleic acid (2) Linoleic acid
(3) Iron (4) Copper
(3) Butyric add (4) Linolenic acid
25. In ATP, high energy bond occurs between
19. The chemical and physical properties of amino ( 1) Phosphate and phosphate
acids are due to
(2) Ribose and phosphate
(1) Amine group (2) Carboxyl group
(3) Adenine and phosphate
(3 ) R-group (4) All of these
(4) Adenine and ribose
20. Exoskele ton of arthropod s have a complex
26. Mark the exception w.r.t. secondary metabolites.
polysaccharide called chitin. That is _ X_ . It
(1) Morphine (2) Vinblastin
has _ Y_ _ as its building blocks.
y (3) Lecithin (4) Cellulose
X
27. Find the incorrect statement .
(1) Homopolymer N-acetyl glucosamine
(1) Km value is the substrate concentration at
(2) Heteropolymer N-acetyl glucosamine
which half maximal velocity is attained
(3) Homopolymer N-acetyl galactosamine (2) Phospholipids are amphipathic carrying both
(4) Heteropolymer N-acetyl galactosamine hydrophilic and hydrophobic ends
21 . Which class of enzyme catalyzes following (3) Living state is non-equilibrium steady state to
reaction? be able to perform work
X y (4) Proteins or their units are substituted ethane
I I
C - C ~ X-Y+C = C 28. Consider following graphs regarding the effect of
(1) Class Ill (2) Class IV change of different factors on enzyme activity
