A polymer in which three different monomers combine called.
1.Copolymer
2.Terpolymer
3.Homopolymer
4.Biopolymer
Absolute alcohol is obtained when rectified spirit is treated with
1.Ca(OH)2
2.CaCO3
3.CaCl2
4.CaO
All proteins yield ______ upon complete hydrolysis.
1.Nitrogen
2.Amino acids
3.Carbon and hydrogen
4.Sulphur
Amylose is
1.Soluble in water
2.Insoluble in water
3.Soluble in alcohol
4.Partially soluble in alcohol
An alcohol which can be prepared by fermentation is
1.CH3OH
2.C3H7OH
3.CH3 - CH2 - OH
4.C6H5OH
Animal and vegetable fats are
1.Glycerols
2.Fatty acids
3.Triesters formed from glycerol and fatty acids
4.Tetraesters formed from glycerol and fatty acids
Animal fats are located particularly in
1.Skeleton tissues
2.Cardiac tissues
3.Connective tissues
4.Adipose tissues
Carbohydrates are polyhydroxy compounds of
1.Glucose
2.Glyceraldehydes
3.Oligosaccharides
4.Aldehydes and ketones
Common example of carbohydrates are
1.Cellulose glycogen galactose
2.Glyceraldehydes glucose peptone
3.Glycerol phospho lipids collagen
4.Legumin amylopectin albumin
Enzyme proved useful in cancer treatment is
1.Lactic dehydrogenase
2.Alkaline phosphatase
3.L-asparaginase
4.Cellulase
Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called
1.Oxidoreductases
2.Hydrolases
3.Isoenzymes
4.Isomerases
Enzynies that catalyze the transfer of groups within molecule are called
1.Isomerases
2.Lyases
3.Transferases
4.Ligases
Ethanol and methanol can be distinguished by a
1.Iodoform test
2.Lucas test
3.Benedicts test
4.Tollens test
Ethanol can be converted into ethanoic acid by
1.Hydrogenation
2.Hydration
3.Oxidation
4.Fermentation
Ethers show functional group isomerism with
1.aldehydes
2.ketones
3.alcohols
4.carboxylic acid
Heating phenol with Zn will yield
1.Benzene
2.Benzoic acid
3.Phenoxide
4.Cyclohexane
Hydrolysis of an oligosaccharide in the presence of acid yields
1.one monosaccharide unit
2.No monosaccharide unit
3.2-9 monosaccharide unit
4.many monosaccharide
Industrial materials and thermal power stations are coated with
1.Polyester resins
2.Epoxy paints
3.Polyamide resins
4.Polyvinyl chloride
Lipids are soluble in
1.Organic solvents
2.Organic and inorganic solvents
3.Inorganic solvents
4.Solubility has nothing to do with lipids
Lipopolysaccharides are examples of
1.Derived lipids
2.Simple lipids
3.Compound lipids
4.Not a type of lipids
Methanol can be obtained from
1.water gas
2.destructive distillation of wood
3.methane
4.all
Methyl alcohol is not used
1.As a solvent
2.As an antifreezing agent
3.As a substitute for petrol
4.For denaturing of ethyl alcohol
Nucleic acids direct the synthesis of
1.Glucose
2.Triglycerides
3.Proteins
4.All
Nucleic acids were first demonstrated in
1.Pus cells
2.Sperm heads
3.1872
4.all of the above
Nylon is obtained by heating
1.Acrylic acid
2.Epichlorohydrin
3.Vinyl chloride
4.Adipic acid with hexamethylene diamine
Orgosterol is
1.Orgocalciferol
2.Vitamin D2
3.Sterol
4.all of the above
Phenol was isolated by Runge from
1.vegetable oil
2.coaltar
3.wood
4.none of these
Polyester resins are the product of the reaction of
1.Dihydric alcohol and dicarboxylic aromatic acids
2.Polyamines with aliphatic dicarboxylic acids
3.Styrene in the presence of catalyst
4.Epichlorohydrin with diphenylol propane
Polymers described as large molecules built up from small repeating units called
1.Biopolymers
2.Dimers
3.Monomers
4.metamers
Protein attached to some non protein group is called
1.Derived protein
2.Sample protein
3.Proteoses
4.Conjugated protein
Purines and pyrimidines are
1.Enzymes
2.Nitrogenous bases
3.Carbohydrates
4.Lipids
Rate of enzymatic reaction is directly proportional to the concentration of
1.Enzyme
2.Substrate
3.Enzyme and substrate
4.Enzyme and product
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its.
1.Quantum structure
2.Secondary structure
3.Tertiary structure
4.Primary structure
Saponification is the hydrolysis of fat or oil with an
1.Acid
2.Alkali
3.Enzyme and alkali
4.Enzyme and acid
The distinction test for primary secondary and tertiary alcohol required to react each of them is
1.Cone. HCI and anhydrous SOCl2
2.Cone. HCI and anhydrous CaCl2
3.Cone. HCI and anhydrous PCl2
4.Cone. HCI and anhydrous ZnCl2
The given dissociation constant (Ka) value 1.3x10-10 is of
1.Alcohol
2.Acetic acid
3.Water
4.Phenol
The hydrogenation of phenol in the presence of Ni and heat gives
1.cyclohexane
2.n - hexane
3.1 - hexanol
4.cyclohexanol
The important monomers of acryclic resins is
1.Vinyl chloride
2.Styrene
3.Methylmethacrylate
4.Hexamethylenediamine
The mechanism by which the genetic information can be duplicated is called
1.Duplication
2.Transcription
3.Replication
4.Mutation
The nitrogenous base different in RNA as compared to DNA is
1.Cytosine
2.Thymine
3.Adenine
4.Guanine
The process of polymerization was classified by
1.Strecker
2.Sabatier
3.Runge
4.W. H. Carothers
Treating phenol with formaldehyde in the presence of dilute base forms Bakelite. The process involved is
1.oxidation
2.elimination
3.condensation polymerization
4.additional polymertization
Triglycerides are easily hydrolyzed by enzymes called
1.Lyases
2.Ligases
3.Lipases
4.Hydrolases
When alcohol reacts with phosphorous halides it geive
1.alkyl halides
2.alkyl amine
3.alkanes
4.alkynes
When phenol is heated with concentrated nitric acid the product is
1.Picric acid
2.o-nitrophenol
3.1 3 5 -trinitro benzene
4.p-nitrophenol
Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate?
1.Primary alcohol
2.Secondary alcohol
3.Tertiary alcohol
4.All of above
Which compound is also known by the name of carbolic acid?
1.C2H2OH
2.H2CO3
3.C6H5OH
4.H3PO3
Which compound shows hydrogen bonding?
1.C2H6
2.C2H5Cl
3.CH3OCH3
4.C2H5OH
Which one of the following alcohol has greater boiling point
1.ethanol
2.ethylene glaycol
3.glycerol
4.methanol
Which one of the following compound does not have - OH group
1.ethylene glycol
2.glycerol
3.picric acid
4.ethyl acetate