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An instrument that measures the spectrum of a sample.
Pharmacy Pharmacist Competitive Exams
Q. An instrument that measures the spectrum of a sample.
Ans → spectrometer
Explanation →
This question is taken from the test/quiz post: one liner| organic| B.pharmacy| Pharmacy liners |organic chemistry| B.pharmacy file-1 - attemp/practice
More oneliners in - one liner| organic| B.pharmacy| Pharmacy liners |organic chemistry| B.pharmacy file-1
Q. An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution
Ans → polarimeter
Explanation →
Q. A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.
Ans → protecting group
Explanation →
Q. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
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 process of separation of a racemate into its two enantiomers by means of some chiral agency.
Ans → resolution
Explanation →
Q. The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.
Ans → resonance
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →
Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.
Ans → R,S convention
Explanation →
Q. The term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
Explanation →
Q. When a complex is formed between a metal ion and an a ligand in solution, the equilibrium may be expressed by a constant which is related to the free energy change for the process
Ans → stability constant
Explanation →
Q. An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution
Ans → polarimeter
Explanation →
Q. A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.
Ans → protecting group
Explanation →
Q. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
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 process of separation of a racemate into its two enantiomers by means of some chiral agency.
Ans → resolution
Explanation →
Q. The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.
Ans → resonance
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →
Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.
Ans → R,S convention
Explanation →
Q. The term given to organic molecules which contain no multiple bonds.
Ans → saturated
Explanation →
Q. The sideways projection of a carbon-carbon single bond and the attached substituents.
Ans → sawhorse projection
Explanation →
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
Explanation →
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Q. Class of antibacterials that inhibit cell wall synthesis by binding to peptidoglycan subunits and blocking their insertion into the cell wall
Ans → glycopeptides
Explanation →
Q. Salivary -amylase becomes inactive in the stomach primarily due to
Ans → Inactivation by low pH
Explanation →
Q. Name a method of acid-fast staining that does not use heat to infuse the primary stain, carbolfuchsin, into acid-fast cells
Ans → Kinyoun technique
Explanation →
Q. Name leukocytes found in the peripheral blood that are characterized by numerous granules in the cytoplasm
Ans → granulocytes
Explanation →
Q. The the joining of two complementary single-stranded DNA molecules
Ans → hybridization
Explanation →
Q. A herpes infection of the newborn, generally caused by infection during birth
Ans → neonatal herpes
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. Solid material that exists at least in two different molecular arrangements, i.e., distinctly different crystal species.
Ans → polymorph
Explanation →
Q. Process that occurs when the vapor pressure of the saturated aqueous solution of a substance is less than the vapor pressure of water in the ambient air.
Ans → deliquescence
Explanation →
Q. Process in which powder particles are made to aggregate to larger particles called granules.
Ans → granulation
Explanation →
Q. Small red or purple spots on the skin that result from blood leaking out of damaged vessels
Ans → petechiae
Explanation →
Q. A negative sign of free energy indicates that the reaction is
Ans → Exergonic or spontaneous
Explanation →
Q. The high level of energy electrons can achieve as energy is added.
Ans → excited state
Explanation →
Q. Sequenator is an automatic machine to determine amino acid sequence in a polypeptide chain. The reagent used in sequenator is
Ans → Edman’s reagent
Explanation →
Q. Fungal disease caused by the dimorphic fungus Histoplasma capsulatum
Ans → histoplasmosis
Explanation →
Q. A a pair of isomers which are related as mirror images of one another.
Ans → enantiomers
Explanation →
Q. Surfactant (or a mixture containing one or more surfactants) having cleaning properties in dilute solutions
Ans → detergent
Explanation →
Q. The amount of change in measured output per unit change in input.
Ans → Amplification
Explanation →
Q. Inflammation of the conjunctiva in newborns caused by Chlamydia trachomatis transmitted during childbirth is
Ans → inclusion conjunctivitis
Explanation →
Q. The bonds in protein structure that are not broken on denaturation.
Ans → Peptide bonds
Explanation →