Q.1.
Enzyme involved in hydrolysis of starch to maltose is ... ...[ MPPMT 1999]
-
33%
a) Protease
-
33%
b) Amylase
-
33%
c) Lactase
-
0%
d) Maltase
Q.2.
Which one is not a fibrillar protein .... ... [ kerala 2003]
-
100%
a) Keratin
-
0%
b) Collagen
-
0%
c) Albumin
-
0%
d) Elastin
Q.3.
Many enzymes are secreted in inactive form to protect ... ... [ Har PMT 1994]
-
50%
a) Cell proteins
-
0%
b) Mitochondria
-
0%
c) Cell membrane
-
50%
d) Cell DNA
Q.4.
Three of the following statement about enzymes are correct and one is wrong. Which one is wrong ... ....[ CBSE 2010]
-
50%
a) Enzymes are denatured at high temperature but in certain exceptional organisms they are effective even at 80°-90°C
-
0%
b) Enzymes require optimum pH for maximal activity
-
50%
c) Most enzymes are proteins but some are lipids
-
0%
d) Enzymes are highly specific
Q.5.
Silk obtained from silkworm is a ... ... [ Odisha 2007]
-
0%
a) Fat
-
50%
b) Cellulose
-
50%
c) Protein
-
0%
d) Carbohydrate
Q.6.
Which of the amino acids has hydroxyl in its R-group ... .... [ DPMT 2010]
-
50%
a) Serine
-
50%
b) Alanine
-
0%
c) Arginine
-
0%
d) Proline
Explanation
Q.7.
Boron helps plants in ... .... [ CBSE 2003]
-
0%
a) Sugar transport
-
0%
b) Activation of enzymes
-
100%
c) Functioning as enzyme cofactor
-
0%
d) Photosynthesis
Q.8.
Amino acids not synthesised in our body are ... ... [ CPMT 1996]
-
0%
a) Non-essential
-
100%
b) Essential
-
0%
c) Non-proteinaceous
-
0%
d) Deaminated
Q.9.
End product of action of enzyme cellulase over cellulose is ... ... [ Wardha 2005]
-
0%
a) Glucose
-
0%
b) Sucrose
-
100%
c) Starch
-
0%
d) Glycogen
Q.10.
Immunoglobulins are proteins that show ... .... [ AMU 2010]
-
0%
a) Primary
-
50%
b) Secondary
-
0%
c) Tertiary
-
50%
d) Quaternary
Explanation
Q.11.
Match the column ... ... [ kerala 2012]
| 1.Carbohydrates | a.Trypsin |
| 2.Protein | b.Cholesterol |
| 3.Nucleic acid | c.Inulin |
| 4.Lipid | d.Adenylic acid |
-
50%
a) 1 - c, 2 - a, 3 - d, 4 - b
-
0%
b) 1 - b, 2 -c, 3 - d, 4 - a
-
50%
c) 1 - c, 2 - d, 3 - a, 4 - b
-
0%
d) 1 - d , 2 - a, 3 - b, 4 - c
Q.12.
Quaternary structure is present in ... .... [ HPPMT 2010]
-
0%
a) Histone
-
100%
b) Haemoglobin
-
0%
c) Globulin
-
0%
d) Potassium
Explanation
Q.13.
Sugar present in DNA is ... ...[ kerala 2002]
-
0%
a) Heptose
-
0%
b) Hexose
-
0%
c) Tetrose
-
100%
d) Pentose
Q.14.
Major function of mineral Magnesium is ... .. [ CET Chd 2011]
-
0%
a) Formation of bones
-
50%
b) Maintenance of acid-base balance
-
50%
c) Storing of energy
-
0%
d) Activator of enzymes
Q.15.
Papain is obtained from ... ... [ Odisha 2009]
-
0%
a) Ficus carica
-
0%
b) Carica papaya
-
100%
c) Glycine max
-
0%
d) Citrus reticulata
Q.16.
Apoenzyme is .... ... [ RPMT 2011]
-
0%
a) Protein
-
50%
b) Amnino acid
-
0%
c) Vitamin
-
50%
d) AGU
Q.17.
A metal ion required for normal functioning of an enzyme is ... .... [ DPMT 2008]
-
50%
a) Holoenzyme
-
50%
b) Coenzyme
-
0%
c) Cofactor
-
0%
d) Prosthetic group
Q.18.
Which enzyme is concerned with transfer of electrons? .... ... [ MPPMT 1998]
-
0%
a) Desmolase
-
50%
b) Hydrolase
-
50%
c) Dehydrogenase
-
0%
d) Transaminase
Q.19.
Nucleotide is composed of .... .... [ CET Chd. 2003]
-
0%
a) Sugar
-
50%
b) Phosphoric acid
-
0%
c) Nitrogenous base
-
50%
d) All the above
Q.20.
Which of the following is a polysaccharide? .... ... [ W.B> 2007 ]
-
0%
a) Fructose
-
100%
b) Glucose
-
0%
c) Sucrose
-
0%
d) Cellulose
Explanation
Q.21.
match the columns ... ... [ kerala 2005]
| Column I | Column II |
| a) Magnesium | p) Found in some amino acids |
| b) Sulphur | q) Not important for plants |
| c) Iodine | r) Structural component of chlorophyll |
| d) Manganese | s) Component of sugar |
| - - - - | t) Required for enzyme activity |
-
0%
a) a - r, b - s, c - q, d - p
-
0%
b) a - r, b - p, c - q, d - s
-
50%
c) a - r, b - p, c - q, d - t
-
50%
d) a - s, b - r, c - p, d - t
Q.22.
Reducing sugar is ... ..... [ AFMC 2012]
-
0%
a) Glycogen
-
0%
b) Sucrose
-
100%
c) Lactose
-
0%
d) All the above
Q.23.
Nickel is component of ... .... [ BHU 1998]
-
0%
a) PEP carboxylase
-
50%
b) Rubisco
-
50%
c) Urease
-
0%
d) Nitrate reductase
Explanation
Q.24.
Which one is not added in detergents .... ... [ DPMT 2007]
-
0%
a) Amylase
-
0%
b) Protease
-
50%
c) Peptidase
-
50%
d) Cellulase
Q.25.
Excess ATP inhibits respiration by inhibiting one of the following enzymes .... .... [ JIPMER 1999 ]
-
0%
a) Phosphofructokinase
-
0%
b) Hexokinase
-
50%
c) Pyruvic decarboxylase
-
50%
d) Aldolase
Q.26.
Which one is cofactor of carbonic anhydrase ... ... [ WB 2010]
-
50%
a) Fe
-
50%
b) Zn
-
0%
c) Cu
-
0%
d) Mg
Q.27.
Starch is .... ..... [ RPMT 2002]
-
0%
a) (C6H5O6)n
-
50%
b) (C6H10O5)n
-
50%
c) (C12H22O11)n
-
0%
d) (C12H24O11)n
Q.28.
Cellulose occurs in ... ... [ Har PMT 1994]
-
0%
a) Tunicates
-
50%
b) Cell membrane
-
0%
c) Cell wall
-
50%
d) Both a and c
Q.29.
hich one is absent in honey? ... .... [ W.B. 2007]
-
0%
a) Glucose
-
100%
b) Lactose
-
0%
c) Maltose
-
0%
d) Levulose
Q.30.
Which one is not a disaccharide? ... .... [ W.B. 2008]
-
0%
a) Maltose
-
100%
b) Sucrose
-
0%
c) Lactose
-
0%
d) Galactose
Q.31.
Insulin ( bovine) has 51 amino acids in A and B polypeptides. the polypeptide A possesses amino acids ... ... [ BHU 1994]
-
0%
a) 31
-
50%
b) 21
-
50%
c) 20
-
0%
d) 30
Q.32.
Name the type of enzyme involved in the following reaction S-G + S' → S+S'-G ... ..... [ kerala 2011]
-
0%
a) Dehydrogenase
-
0%
b) Transferase
-
0%
c) Hydrolase
-
0%
d) Lyase
Q.33.
A non-reducing /table sugar is ... .... [ CPMT 2009]
-
0%
a) Glucose
-
0%
b) Sucrose
-
100%
c) Galactose
-
0%
d) Mannose
Q.34.
Nucleotides are formed of ... ...[ MPPMT 2009]
-
0%
a) Purine, sugar nad phosphate
-
50%
b) Purine, pyrimidine and phosphate
-
0%
c) Pyrimidine, sugar and phosphate
-
50%
d) Purine, pyrimidine, sugar and phosphate
Q.35.
A nucleoside differs from nucleotide in not having ... ... [ DPMT 2010]
-
0%
a) Sugar
-
50%
b) Nitrogen base
-
50%
c) Phosphate
-
0%
d) Phosphate and sugar
Q.36.
An example of non-competitive inhibition is .... .... [ kerala 2009]
-
0%
a) Inhibition of succinic acid by malonate
-
0%
b) Cyanide action on cytochrome oxidase
-
0%
c) Sulpha drug on folic acid synthesizing bacteria
-
0%
d) Inhibition of hexokinase by glucose 6-phosphate
Q.37.
Prostaglandin is ... ... [ CPMT 2007]
-
0%
a) Steroid
-
0%
b) Carbohydrate
-
0%
c) Amino acid
-
0%
d) Fatty acid
Q.38.
Macromolecule chitin is ... .... [ HPPMT 2011]
-
50%
a) Sulphur containing polysaccharide
-
0%
b) Phosphorus containing polysaccharide
-
50%
c) Nitrogen containing polysaccharide
-
0%
d) Simple polysaccharide
Q.39.
Glycosidic linakge in maltose is .... ... [ kerala 2001]
-
0%
a) α4 → 1
-
0%
b) β4 → 1
-
50%
c) α1 → 4
-
50%
d) β1 → 4
Q.40.
Inhibition of acetylcholine by DFP(diisopropyl fluorophosphate) is ... ..... [ AMU 2012]
-
0%
a) Competitive inhibition
-
0%
b) Non-competitive inhibition
-
0%
c) Non-competitive irreversible inhibition
-
0%
d) Allosteric inhibition
Q.41.
No cell can live without ... .... [ MPPMT 1997]
-
100%
a) Chloroplasts
-
0%
b) Proteins
-
0%
c) Enzymes
-
0%
d) Phytochrome
Q.42.
Select the incorrect statement ... .... [ kerala 2011]
-
0%
a) Amino acid are substituted methane
-
100%
b) Glycerol is trihydroxy propane
-
0%
c) Lecithin is phospholipid
-
0%
d) Lysin is neutral amino acid
Q.43.
Which one is phosphoprotein? ... .... [ kerala 2000 ]
-
0%
a) Ferritin
-
0%
b) Casein
-
100%
c) Mucin
-
0%
d) Albumin
Q.44.
Heparin is synthesised in .... ..... [ BHU 2005]
-
0%
a) Kidney
-
0%
b) Salivary glands
-
0%
c) Pancreas
-
0%
d) Liver
Q.45.
Content of nucleic acids in protoplasm is .... .... [ RPMT 1995]
-
100%
a) 35%
-
0%
b) 29%
-
0%
c) 10%
-
0%
d) 4%
Q.46.
Enzymes catalysing removal of groups and formation of double bond are ... ... [ CET Chd. 2009]
-
0%
a) Transferases
-
0%
b) Ligases
-
0%
c) Lyase
-
0%
d) Oxidoreductases
Q.47.
DNA resembles RNA as both have ... ..... [ CBSE 2000 ]
-
0%
a) Polymers of nucleotides
-
100%
b) Similar sugars
-
0%
c) Similar pyrimidine bases
-
0%
d) Ability to replicate
Q.48.
A coenzyme is .... .... [ AFMC 1994]
-
0%
a) Organic non-proteinaceous group that is essential for enzyme activity
-
0%
b) Organic or inorganic group that is essential for enzyme activity
-
0%
c) Same enzyme found in different organs or tissues
-
0%
d) One that shares function of another enzyme
Q.49.
Non-protein organic component of enzyme is ... ... [ AFMC 2008]
-
0%
a) Apoenzyme
-
100%
b) Holoenzyme
-
0%
c) Coenzyme
-
0%
d) Isozyme
Q.50.
Major and minor grooves occur in ... ... [ MHTCET 2010]
-
0%
a) Polypeptide
-
0%
b) RNA
-
100%
c) DNA
-
0%
d) Chromatin