WorksheetsBiochemistry Mid-term
Total questions: 100
Worksheet time: 2hrs 40mins
The optical isomers which are the non-super imposable mirror images of each other thus possess chirality are called:
Diastereomers
Enantiomers
Metamers
Tautomers
Any thing that occupies space and have mass is called:
Atom
Compound
Element
Matter
Basic unit of matter is:
Atom
Compound
Element
Mixture
It do not have specific shape but has volume:
Atom
Gas
Liquid
Solid
Part of atom located outside the nucleus:
Electron
Proton
Neutron
Nucleus
Part of atom that has negative charge.
Electron
Neutron
Nucleus
Proton
Mixtures that have uniform composition are called:
Elements
Compoounds
Heterogeneous mixtures
Homogeneous mixtures
The force of attraction that holds atoms together is called :
Chemical bond
Chemical equation
Chemical formula
Chemical symbol
A chemical bond formed between two atoms by complete transfer of electron from one atom to another:
Coordinated covalent bonds
Covalent bonds
Ionic bonds
Polar covalent bonds
A covalent bond in which one atom donates both of the electrons shared in a bond.
Coordinated covalent bonds
Ionic bonds
Non-polar covalent bonds
Polar covalent bonds
Oxidation is:
Gain of electrons
Gain of hydrogen
Loss of oxygen
Loss of electron
Reduction is:
Gain of electrons
Gain of oxygen
Loss of electrons
Loss of hydrogen
Acid and base react to form:
Metals
Salt
Salt and water
Water
A substance, which provides H+ ions in aqueous solution:
Acid
Base
Buffer
Indicator
A substance, which provides OH- ions in aqueous solution:
Acid
Base
Buffer
Indicator
A substance that resist change in pH:
Acid
Base
Buffer
Indicator
CnH2n+2 is the general formula of:
Alkanes
Alkenes
Alkynes
Aromatic compounds
CnH2n is the general formula of :
Alkanes
Alkenes
Alkynes
Aromatic compounds
CnH2n-2 is the general formula of :
Alkanes
Alkenes
Alkynes
Heterocyclic compounds
Functional group alcohol is written as:
– NH2 –
– O –
– OH
– COOH
Molecular formula of Ethane is:
CH4
C2H6
C3H8
C4H10
It have specific shape and volume.
BEC
Gas
Liquid
Solid
Mixtures that do not have uniform composition are called:
Compound
Element
Heterogeneous mixture
Homogeneous mixture
Part of atom that does not have any charge.
Electron
Neutron
Nucleus
Proton
A super cold and super unexited state of matter is:
Bose Einstein Condensate
Gas
Liquid
Solid
A super hot and super excited state of matter is.
Bose Einstein Condensate
Liquid
Plasma
Solid
A chemical bond in which atoms share electrons is called:
Co-ordinate Covalent bond
Covalent bond
Dative bond
Ionic bond
It turns phenolphthalene colorless.
Acid
Base
Buffer
PH scale
Organic compounds that have aroma are called:
Alkane
Alkene
Alkyne
Aromatic
Normal PH range of blood is:
0-14
1-7
7.35-7.45
7-14
Nitrogen containing functional include is:
Alcohol
Amine
Ester
Ether
Substance that undergoes a chemical reaction is called:
Reactant
Intermediate
Product
Chemical bond
Substance that is formed by a chemical reaction is called:
Reactant
Intermediate
Product
Chemical bond
Chemical reaction in which two or more substances combine to form product is:
Combination reaction
Decomposition reaction
Redox reaction
Reversible reaction
The symbol of sodium is:
N
Na
Ne
Ni
The range of PH scale is:
0-14
1-14
0-6
1-7
Components of Carbonic acid-Bicarbonate buffer system include:
Carbonic acid and bicarbonate
Dihydrogen phosphate and monohydrogen phosphate
Hemoglobin
Protein
It do not have specific shape and volume:
Atom
Gas
Liquid
Solid
The tendency of atom to attract a shared pair of electron towards itself is called:
Chemical bond
Dative bond
Electronegativity
Ionic bond
Polar covalent bond has which charge?
Negative charge
No charge
Partial Positive and Partial Negative charge
Positive charge
A substance that is oxidized by reducing other substance is called:
Oxidation
Oxidizing agent
Reduction
Reducing agent
Carbohydrates are abbreviated as CHO, because they contain:
Carbon, Hydrogen, Oxygen
Hydrogen, Nitrogen, Oxygen
Oxygen, Nitrogen, Carbon
Sodium, Hydrogen, Oxygen
Monosaccharides, that contain aldehyde functional group are called:
Aldoses
Ketoses
Lactose
Maltose
The ring structure of monosaccharides that have six members, i.e. five carbons and one oxygen molecule:
Furanose
Hemiacetal
Hemiketal
Pyranose
The ring structure of monosaccharides that have ketone functional group is:
Furanose
Hemiacetal
Hemiketal
Pyranose
The combination of two glucose units forms:
Fructose
Lactose
Maltose
Sucrose
The compounds that contain polyhydroxyl aldehyde or polyhydroxyl ketone are called:
Carbohydrates
Lipids
Nucleic acids
Proteins
Monosaccharides, that contain ketone functional group are called:
Aldoses
Ketoses
Lactose
Maltose
The ring structure of monosaccharides that have five members, i.e. four carbons and one oxygen molecule:
Furanose
Hemiacetal
Hemiketal
Pyranose
The ring structure of monosaccharides that have aldehyde functional group is:
Furanose
Hemiacetal
Hemiketal
Pyranose
The combination of glucose and fructose forms:
Glycogen
Lactose
Maltose
Sucrose
The combination of glucose and galactose forms:
Lactose
Maltose
Starch
Sucrose
Starch is a:
Disaccharide
Monosaccharide
Oligosaccharide
Polysaccharide
If the position of OH group of an anomeric carbon is at the left hand in straight chain and above the plane of ring it is called:
α-Anomer
β-Anomer
Oligosaccharide
Polysaccharide
If the position of OH group of an anomeric carbon is at the right hand in straight chain and below the plane of ring it is called:
α-Anomer
β-Anomer
Anomeric carbon
Ketoses
Cellulose is a:
Disaccharide
Oligosaccharide
Heteropolysaccharide
Homopolysaccharide
It is Heteropolysaccharide:
Cellulose
Glycogen
Hyaluronic acid
Starch
Maltose is formed by:
α-1, 4 glycosidic linkage
α -1, 2 glycosidic linkage
β -1, 4 glycosidic linkage
Peptide bond
Lactose is formed by:
α-1, 4 glycosidic linkage
α-1, 2 glycosidic linkage
β-1, 4 glycosidic linkage
Ester linkage
Sucrose is formed by:
α-1, 2 glycosidic linkage
α-1, 4 glycosidic linkage
β-1, 4 glycosidic linkage
Hydrogen bond
Number of carbon in hexoses:
3
4
5
6
It is a hexoses sugar:
Erythrose
Erythulose
Fructose
Ribose
The building block of lipid is:
Amino acid
Fatty acid
Monosaccharides
Proteins
Fatty acids that must be taken in diet are:
Essential fatty acids
Non-Essential fatty acids
Saturated fatty acids
Unsaturated fatty acids
It provides protective cushion to our vital organs:
Carbohydrates
Hormones
Lipids
Proteins
Lipids that have ability to form soap are referred as:
Nonsaponifiable lipids
Nonsterols
Saponifiable lipids
Sterols
Basic ring structure of sterols is:
Cholesterol
Cyclo-pentano-hydrophenenthrene ring
Ergosterol
Stigmasterol
Animal sterol is called:
Mycosterol
Non-sterol
Phytosterol
Zoosterol
VLDL stands for:
Chylomicrons
Very low density lipoproteins
Low density lipoproteins
High density lipoproteins
Bad Cholesterol is:
Chylomicrons
Very low density lipoproteins
Low density lipoproteins
High density lipoproteins
The building block of proteins is:
Amino acids
Eicosanoids
Fatty acid
Monosaccharides
The state of amino acid which carry both positive and negative charge together is:
Amino acid
Anion
Cation
Zwitterion
Round shaped proteins are:
Elastic proteins
Fibrous proteins
Globular proteins
Inelastic proteins
Structure of proteins that is made by aggregates of two or more protein chain is referred as:
Primary structure
Quaternary structure
Secondary structure
Simple proteins
Prosthetic group in glycoprotein is:
Carbohydrate
Lipid
Nucleic acid
Sulfur
Defense proteins include:
Actin
Elastin
Enzymes
Immunoglobulin
Gene regulatory proteins include:
Hemoglobin
Histones
Immunoglobulin
Interferon
Fatty acids that have single covalent bonds are called:
Essential fatty acids
Non-Essential fatty acids
Saturated fatty acids
Unsaturated fatty acids
Fatty acids that have one or more double covalent bonds are called:
Essential fatty acids
Non-Essential fatty acids
Saturated fatty acids
Unsaturated fatty acids
Fatty acids that are formed in body and thus are not necessary to be taken in diet are:
Essential fatty acids
Non-Essential fatty acids
Saturated fatty acids
Unsaturated fatty acids
Cholesterol is:
Mycosterol
Non-sterol
Phytosterol
Zoosterol
Prosthetic group in sulfolipid is:
Carbohydrate
Phosphate
Protein
Sulfur
Positively charged state of amino acid is:
Anion
Cation
Hybrid ion
Zwitterion
Negatively charged state of amino acid is:
Anion
Cation
Hybrid ion
Neutral ion
Amino acids that must be taken in diet are called:
Aliphatic amino acids
Essential amino acids
Non-Esential amino acids
Polar amino acids
Amino acids that are synthesized by body thus are not necessary to be taken in diet are:
Essential amino acids
Polar amino acids
Non-Essential amino acids
Non-Polar amino acids
Amino acids that are soluble in water:
Aliphatic amino acids
Essential amino acids
Ketogenic amino acids
Polar amino acids
LDL stands for:
Chylomicrons
High density lipoprotein
Low density lipoprotein
Very Low density lipoprotein
Contractile proteins include:
Actin, myosin
Albumin, transferin
Immunoglobulin, interferon
Insulin, growth hormone
It transport cholesterol to extra-hepatic tissues:
Chylomicron
HDL
LDL
VLDL
It transport cholesterol from extra-hepatic tissues back to liver:
Chylomicron
HDL
LDL
VLDL
It is not a classification of proteins on the basis of structure:
Conjugated protein
Primary structure
Quaternary structure
Secondary structure
Acid react with carbonate and bicarbonate to form:
Salt
Salt and water
Salt, water, and carbondioxide gas
Water
Components of Phosphate buffer system include:
Carbonic acid and bicarbonate
Dihydrogen phosphate and monohydrogen phosphate
Hemoglobin
Protein
Proton and neutron are located in:
Electron
Gluans
Nucleus
Quarks
A substance that donate a proton is called a/an:
Acid
Base
Buffer
Indicator
A substance that donate a pair of electron is called a/an:
Acid
Base
Buffer
Indicator
It transport cholesterol from extra-hepatic tissues back to liver:
Chylomicron
HDL
LDL
VLDL
Substances that have same molecular formula but different structures are called:
Functional group isomers
Metamers
Structural isomers
Tautomers
A type of chemical formula that shows actual number of atoms present in a molecule is called:
Condensed structural formula
Empirical formula
Molecular formula
Structural formula
