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FY NMU Semester Examination Practice session-02 [BP203T] organised by RCPIPER and RCPIOP Flashcards | StudBud
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FY NMU Semester Examination Practice session-02 [BP203T] organised by RCPIPER and RCPIOP
FY NMU Semester Examination Practice session-02 [BP203T] organised by RCPIPER and RCPIOP
90 terms
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BIOMOLECULES
Flashcards
90 cards
F
Practice quiz
P
Host live
L
Questions
90
Answers
1
which of the following biomolecules are not strictly macromolecules
Nucleic acids
proteins
Polysaccharides
Lipids
2
Which is the most abundant biomolecule on earth?
Carbohydrates
Proteins
Lipids
Mineral salts
3
ATP is
Enzyme
Nucleic acid
Vitamin
Nucleotide
4
Enzymes belong to which class of compounds
Polysaccharides
Polypeptides
Polynitroheterocyclic components
Hydrocarbon
5
Primary storage of food in animals is through _______
Glycogen
Galactose
Glucose
Fats
6
Which of the following carbohydrate is not a disaccharide
Galactose
Sucrose
Maltose
Lactose
7
Enormous diversity of protein Molecule is due to
Sequence of amino acids
Peptide bonds
Amino groups of amino acids
R groups of amino acids
8
A high content of triglycerides are found in
VLDL
HDL
Chylomicrons
HDL
9
Ester linkage occur in
lipids
nucleic acid
proteins
Carbohydrates
10
Which one of the following represents an additional function with some protein discharge
Hormones
Antibotics
Pigments conferring colour to skin
Pigments making colours of flowers
11
Which of the following is a phospholipid?
Sterol
Cholesterol
Lecithin
Steroid
12
Which of the following is a non-reducing carbohydrate?
Maltose
Sucrose
Ribose-5-phosphate
Lactose
13
Which of the following has not a glucosidic linkage?
Amylose
Galactose
Maltose
Sucrose
14
An enzyme/protein is formed by chemically bonding together
CO2
Carbohydrates
Lipase
Amino acids
15
The protein responsible for blood clotting is
Fibrinogen
Fibroin
Globulins
Albumins
16
Cellulose is made up of
Fructose
None of these
Ribose
Sucrose
17
Which of the following secondary metabolites is wrongly matched?
Toxin-Abrin, ricin
Alkaloids-Lemon grass oil
Pigments-Cartenoids, anthocyanins
polymeric substance-Rubber, gums
18
The exchange of material takes place
All of these
Only by active transport
Only by diffusion
Only by pinocytosis
19
Polysaccharides are formed by _______
Peptide linkage
Vanderwaal forces
Glycosidic linkages
Phospho-diester linkage
20
The bacterial cell wall is formed of
Peptidoglycan
Hemicellulose
Cellulose
Glycogen
21
Which one of them is not a protein?
DNA
Nail
Wool
Hair
22
β-oxidation occurs in
Mitochondria
Cytoplasm
Nucleus
Chloroplast
23
Among the following a chiral amino acid is
Methylglyane
2-Hydroxymethylresfne
Ethylalanine
Triptophane
24
Which of the following is required as inducers for the expression of Lac operon?
Lactose
Both Blue and yellow option
Glucose
Galactose
25
HDL is synthesized and secreted from
Pancreas
Liver
Kidney
Muscle
26
Metabolic intermediates found in living system which are essntial for growth and life is called _____
Primary metabolites
Secondary Metabolites
Saponins
Tannins
27
The most active site of protein synthesisis the
Cell sap
Ribosome
Nucleus
Mitochondrion
28
The enzyme which hydrolysis triglycerides to fatty acids and glycerol is called
Lipase
Maltase
Pepsin
Zymase
29
The number of tripeptide formed by 3 different amino acids.
3
5
4
6
30
The most abdundant mineral of the animal body is
iron
sodium
calcium
potassium
31
The functional group which is found in amino acids is
None of the above
CH2
COOH
NH2
32
The nucleic acid base having two possible binding sites is
Adenine
Cytosine
Thymine
Guanine
33
Complete hydrolysis of cellulose gives
D-fructose
L-glucose
D-ribose
D-glucose
34
The correct statement for protein haemoglobin
functions as a catalyst for biological reactions
forms antibodies and offers resistance to disease
acts as oxygen carrier in blood
maintains blood sugar level
35
Which one of the following is wrongly matched
Enzyme-Lipopolysaccharide
ATP-Nucleotide
Antibody-Glycoprotein
Phospholipid-Plasma Membrane
36
Renal threshold for glucose is decreasedin
Insulinoma
Diabetes mellitus
Alimentary glycosuria
Renal glycosuria
37
ATP was discovered by
Karl lohmann
Blackman
Bowman
Lipmann
38
Which of the following does not react with Hinsberg reagent?
(CH3)2NH
(CH3)3N
Propan-2-amine
Ethylamine
39
DNA differs from RNA in having
cytosine but no guanine
Thymine but no uracil
Thymine but no cytosine
Uracil but no thymine
40
Adenine is
Pyrimidine
Purine
Nucleotide
Nucleoside
41
Among the following natural materials, the largest amount of cellulose is found in
Wood
Wheat straw
Cotton fibre
Fruit pilp
42
Glycogen is a homopolymer made of
Galatose units
Amino acids
Glucose units
Ribose units
43
Most abundant RNA in the cell
rRNA
mRNA
tRNA threonine
tRNA
44
Maximum iron occurs in
Bone cells
Proteins
WBC
RBC
45
The helical structure of protein is stabilized by
vander Waal’s forces
Dipeptide band
Peptide band
Hydrogen bands
46
Which among the following is incorrect about carbohydrates?
are defined as optically active polyhydroxy aldehydes or ketones
derive its name from the hydrates of carbon
Glyceraldehyde is the smallest carbohydrate
The general formula of all carbohydrates is Cx(H20)y
47
Double hydrogen bond occurs in DNA between
Uracil and Thymine
Adenine and thymine
Thymine and Cytosine
Adenine and Guanine
48
Which is a reducing sugar?
β-methyl galactosidase
Galactose
Gluconic acid
Sucrose
49
The naturally occuring form of amino acid in proteins are
Both of these
D-amino acids only
None of these
L-amino acids only
50
Koshland’s theory of enzyme action is known as
Enzyme coenzyme theory
Lock and key theory
Induced fit theory
Reduced fit theory
51
In which of the following an anticodon occurs
mRNA
DNA
tRNA
rRNA
52
The number of chiral carbons in ß-D (+) glucose is
6
4
3
5
53
Glucose uptake by liver cells is
A saturable process
Insulin-independent
Energy-consuming
Insulin-dependent
54
Which of the following statements is true for protein synthesis
only one codon codes for an amino acid.
amino acids are directly recognised by m-RNA.
every t-RNA has more than one amino acid attachment
the third base of codon is less specific.
55
In both DNA and RNA, heterocyclic base and phosphate ester linkages are at
C1‘ and C5‘ respectively of the sugar molecule
C5‘ and C1‘ respectively of sugar molecule
C5‘ and C2‘ of the sugar molecule respectively
C2‘ and C5‘ respectively of the sugar molecule
56
Which one is correct?
Amylose is a component of cellulose
Proteins are composed of only one type of amino acids
In cyclic structure of furanose, these are 4 carbons and one oxygen atom
Starch is a polymer of a-glucose
57
Enzymes in the living system
transport oxygen
catalyse biological reaction
provide energy
provide immunity
58
Haemoglobin has
Secondary structure
Primary structure
Quaternary structure
Tertiary structure
59
A functional protein is
Collagen
Vitamin
Ossein
Enzyme
60
Which of the following are the most diverse molecules of a cell?
Proteins
Lipids
Carbohydrate
Mineral salts
61
The phenomenon of osmosis is oppositeto that of
Coagulation
Affusion
Effusion
Diffusion
62
Synovial fluid contains
Heparin
Chondroitin sulphate
Hyaluronic acid
Keratin sulphate
63
Which functional group participates in disulphide bond formation in proteins?
Thiol actone
Thio ether
Thiol
Thio ester
64
The highest concentrations of fructose are found in
Seminal fluid
Synovial fluid
Aqueous humor
Vitreous humor
65
A protein which lacks a metal is
Haemoglobin
Cyctochrome
Ferredoxin
Glycoprotein
66
Which of the following has a branched chain structure
Cellulose
Nylon
Amylopectin
Anylose
67
The introduction of t-DNA into plants involves
Exposing the plants to cold for a brief period
Altering the pH of the soil, then heat shocking the pants
Infection of the plant by Agrobacterium tumefaciens
Allowing the plant roots to stand in water
68
Which among the following is incorrect about fructose and glucose?
Fructose is also called as pyranose and it’s a ketose sugar
Both of them taste sweet
Glucose and fructose can be obtained by hydrolysis of sucrose
Both fructose and glucose have the same molecular formula
69
Identify mismatch nitrogenous bases of nucleic acids
Guanine, Adenine-Purines
Adenine, Thymine-Purines
Thymine,Uracil-Purines
Uracil, Cytosine-Pyrimidines
70
The term enzyme was coined by
Buchner
Pasteur
Kuhne
Urey Miller
71
Mineral associated with cytochrome is
Fe
Cu and Ag
Cu
Mg
72
Anti-parellel strands of a DNA molecule means that
One strand turns anticlockwise
Phosphate groups of two DNA strands at their ends share the same position
One strand turns clockwise
Phosphate groups at the start of two DNA strands are in opposite position
73
Nitorgenous bases present in DNA
Adennine, guanine, cytosine, uracil
Adenine, thymine, uracil, glycine
Adenine, guanine, cytosine, thymine
None of these
74
The degradative Processess are categorizedunder the heading of
Anabolism
Metabolism
Catabolism
None of the above
75
The fastest enzyme is
Carbonic anhydrase
Pepsin
DNA gyrase
DNA polymerase
76
Nitrogen is a component of
Proteins
Polyphosphates
Lipids
Carbohydrates
77
Which of the following is not a conjugated proteins
Peptone
Chromoprotein
Glycoprotein
Lipoprotein
78
Amino acids are the building blocks of
Proteins.
Carbohydrates
Vitamins
Fats
79
The most common secondary structure of proteins is
β-pleated sheet
β-pleated sheet non-parallel
α-helix
β-pleated sheet parallel
80
Which one is not a fibrous protein
Hordein
Globulin
None of these
Haemoglobin
81
Sucrose is also called as ____
Dextrose
Milk sugar
Laevose
Invert sugar
82
Which of the following biomolecules is insoluble in water?
haemoglobin
adenime
ribonuclease
a-Keratin
83
Name the simplest amino acid
Glycine
Alanine
Asparagine
Tyrosine
84
Which base is present in RNA, but not in DNA
Uracil
Guanine
Cytosine
Thymine
85
Which carbohydrates is an essential constituent of plant cells?
Vitamins
Sucrose
Starch
Cellulose
86
Which of the following in the sweetest sugar
Sucrose
Glucose
Fructose
Maltose
87
Which amino acids is a chiral?
Alanine
None of the above
Both of these
Valine
88
Which biomolecule is distributed more widely in a cell?
Spaherosomes
DNA
RNA
Chloroplast
89
The most common monomer of carbohydrate is
Glucose
Sucrose
Maltose
Fructose
90
Glucose reacts with acetic anhydride to form
Monoacetate
Penta-acetate
Tetraacetate
Hexa-acetate