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An aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons.
Pharmaceutical Organic Chemistry Pharmacist Competitive Exams
Q. An aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons.
Ans → aromatic
Explanation →
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Q. An agent able to produce positively charged hydrogen ions (H+). [Since the hydrogen ion is a bare proton, it usually exists in a solvated form (such as H3O+).]
Ans → acid
Explanation →
Q. The minimum energy which reacting species must possess in order to be able to form an 'activated complex', or 'transition state', before proceeding to the products.
Ans → activation energy
Explanation →
Q. Reactions in which an unsaturated system is saturated or part saturated by the addition of a molecule across the multiple bond.
Ans → addition reactions
Explanation →
Q. Organic substances occurring naturally, which are basic, forming salts with acids. The basic group is usually an amino function.
Ans → alkaloid
Explanation →
Q. The migration of a double bond in a 3-carbon system from carbon atoms one and two to carbon atoms two and three
Ans → allylic rearrangement
Explanation →
Q. The specific term used to describe carbohydrate stereoisomers differing only in configuration at the hemi-acetal carbon atom.
Ans → anomers
Explanation →
Q. An aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons.
Ans → aromatic
Explanation →
Q. A term applied to the combination of molecules of a substance with one another to form more complex systems.
Ans → association
Explanation →
Q. A term applied an object or molecule that does not possess symmetry.
Ans → asymmetry
Explanation →
Q. A a term applied to the selective synthesis of one diastereomeric form of a compound resulting from the influence of an existing chiral centre adjacent to the developing asymmetric carbon atom.
Ans → asymmetric induction
Explanation →
Q. The energy levels of electrons in an atom which may be described in terms of the four quantum numbers.
Ans → atomic orbital
Explanation →
Q. The number of particles (atoms or molecules) in one mole of any pure substance.
Ans → Avogadro's constant
Explanation →
More one-liners in - Pharmaceutical Organic Chemistry
Q. Larger nucleus in ciliate protists that have two nuclei; polyploid with a reduced genome of metabolic genes and derived from the micronucleus
Ans → macronucleus
Explanation →
Q. The extrinsic and intrinsic pathways result in the formation of a common activated factor
Ans → Staurt factor
Explanation →
Q. Antihelminthic drug of the benzimidazole class that binds to helminthic β-tubulin, preventing microtubule formation
Ans → mebendazole
Explanation →
Q. Name hypothyroidism caused by an autoimmune disease affecting thyroid function
Ans → Hashimoto thyroiditis
Explanation →
Q. Substrate level phosphorylation in citric acid cycle is catalysed by the enzyme
Ans → Succinate thiokinase
Explanation →
Q. A type of endocytosis in which extracellular ligands are targeted to specific cells through their binding to specific cell surface receptors
Ans → receptor-mediated endocytosis
Explanation →
Q. Introduction of genetic material from one organism to another organism within the same generation
Ans → horizontal gene transfer
Explanation →
Q. Name the class of exotoxin that targets and lyses red blood cells, as well as other cells
Ans → hemolysin
Explanation →
Q. The most commonly employed technique for separation of plasma proteins
Ans → Electrophoresis
Explanation →
Q. The the sequencing of genomic fragments from microbial communities, allowing researchers to study genes from a collection of multiple species
Ans → metagenomics
Explanation →
Q. A a term applied to the selective synthesis of one diastereomeric form of a compound resulting from the influence of an existing chiral centre adjacent to the developing asymmetric carbon atom.
Ans → asymmetric induction
Explanation →
Q. A chemical processes in which the proportion of more electronegative substituents is decreased, or the charge is made more negative, or the oxidation number is lowered.
Ans → reduction
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. Name a membrane-bound organelle (not part of the endomembrane system) that produces hydrogen peroxide to break down various types of molecules;
Ans → peroxisome
Explanation →
Q. A full agonist is an agonist that produces the largest maximal response of any known agonist that acts on the same receptor.
Ans → Full Agonist
Explanation →
Q. electron systems in which bonding electrons are not localised between two atoms as for a single bond but are spread (delocalized) over the whole group.
Ans → delocalization
Explanation →
Q. A very strong attraction between two or more atoms that are sharing their electrons.
Ans → Covalent Bond
Explanation →
Q. Name the plasmid containing genes encoding proteins that make a bacterial cell resistant to one or more antibiotics
Ans → R plasmid
Explanation →
Q. Solutions (aqueous or oily), emulsions, or suspensions for rectal administration of medicaments for cleansing, diagnostic, or therapeutic purposes.
Ans → enemas
Explanation →
Q. The process of separation of a racemate into its two enantiomers by means of some chiral agency.
Ans → resolution
Explanation →
Q. Device that disperses liquids to aerosols for therapeutic use by inhalation through a mask.
Ans → nebulizer
Explanation →
Q. a substance that, when added to a reaction mixture, changes (speeds up) the rate of attainment of equilibrum in the system without itself undergoing a permanent chemical change.
Ans → catalyst
Explanation →
Q. A highly infectious zoonotic disease caused by Coxiella burnetii that farmers can contract from their animals by inhalation
Ans → Q fever
Explanation →
Q. A substance that cannot be divded chemically into component substances.
Ans → element
Explanation →
Q. The polymers of monosaccharides or their derivatives, held together by glycosidic bonds
Ans → Polysaccharide
Explanation →
Q. the method for producing gasoline from heavy petroleum distillates.
Ans → catalytic cracking
Explanation →
Q. A thermodynamic quantity which is a measure of the degree of disorder within any system.
Ans → entropy
Explanation →
Q. Highly contagious and acute viral disease of the respiratory tract caused by the influenza virus
Ans → influenza
Explanation →