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Thursday, 12 October 2017

objectives questions with answer chemistry

Q1. Peptide synthesis is all about manufacturing or producing ______

  • Peptides
  • Amino Acids
  • Fatty Acids
  • Glycol
 Peptides

Q2. Peptides are organic compounds which are made-up of ______

  • Multiple proteins
  • Multiple fatty acids
  • Multiple amino acids
  • All of the Above
 Multiple amino acids

Q3. Long chain of peptides is known as ______

  • Proteins
  • Fatty acids
  • Carbohydrates
  • Peptide Synthesis
 Proteins

Q4. Synthesis of proteins from peptides in biological systems is called protein biosynthesis

  • Protein Degradation
  • Protein Biosynthesis
  • Protein Bank
  • Peptide synthesis
 Protein Biosynthesis 

Q5. Carnosine is a di-peptide of ______ and histidine

  • Alpha Lysine
  • Beta Lysine
  • Alpha Alanine
  • Beta Alanine
Beta Alanine

Q6. Anserine is a di-peptide of ______ and 1-methylhistidine

  • Alpha Lysine
  • Beta Lysine
  • Alpha Alanine
  • Beta Alanine
 Beta Alanine

Q7. Which is true statement about Kyotorphin

  • It is Di Peptide
  • It is neuroactive compound
  • It is L-tyrosyl-L-arginine
  • All of the Above

    All of the Above i.e. Kyotorphin is a neuroactive di peptide also known as L-tyrosyl-L-arginine

    Q8. Pseudoprolin derivatives are used to ______

    • Minimize aggregation during solid-phase synthesis of peptides
    • Maximize aggregation during solid-phase synthesis of peptides
    • Both
    • None
    Q8: Minimize aggregation during solid-phase synthesis of peptides

    Q9. Aspartame is ______

    • Artificial, non-saccharide sweetener
    • Codified as E951
    • It is a methyl ester
    • All of the Above
    All of the Above Aspartame is a methyl ester codified as E951, and it is an artificial, non-saccharide sweetener

    Q10. ______ peptide is cyclic in nature

    • Gramicidin
    • Glutathione
    • Leu-encephalin 
    • Met-encephalin
    Gramicidin

    Q11. _________ are building blocks of proteins

    • Peptides
    • Amino Acids
    • Fatty Acids
    • Glycol
     Amino Acids 

    Q12. Which is true statement about amino acids

    • At neutral pH, Amino Acids are uncharged
    • In proteins, Amino Acids are generally found in D-configuration
    • In protein synthesis, 24 Amino Acids are used
    • According to Structure and property of side chains, Amino Acids are classified
     According to Structure and property of side chains, Amino Acids are classified

    Q13. Amino Acids are joined together by

    • Hydrogen Bonds
    • Peptide Bonds
    • Ionic Bonds
    • Non-Ionic Bonds
    Ans Peptide Bonds

    Q14. ______ is a nano peptide

    • Vasopressin
    • Oxytocin
    • Both
    • None
     Both Vasopressin and Oxytocin

    Q15. In the manufacturing of dynamite _______ is used

    • Ethanol
    • Methanol
    • Glycerol
    • Glycol
    Ans  Glycerol 

    Q16. ____ is not reasonable nucleophile in SN2 Reaction

    • NC-
    • H2O
    • HO-
    • NH3
    Ans  H2O

    Q17. _______ have highest Boiling Point

    • CH3OH
    • CH2F2
    • CH3NH2
    • CH3CH2CH2CH3
    Ans  CH3OH

    Q18. Proton have ___ charge and Neutron have ___ charge

    • -1,  +1
    • -1,  0
    • +1,  0
    • +2,  -2
    Ans +1,  0 

    Q19. ______ is not plastic

    • HDPE
    • PVC
    • PET
    • DNA
    Ans  DNA

    Q20. Polyester polymer contains

    • Ketone Functional Group
    • Aldehyde Functional Group
    • Ester Functional Group
    • Ether Functional Group
    Ans Ester Functional Group


    Q21. _________ is use to measure rain

    • Rain Gauge
    • Rainmeter
    • Rain Scale
    • None of the above
    Ans Rain Gauge 

    Q22. alcoholic strength of liquids is measured by

    • Alcoholmeter
    • Alcohol Gauge
    • Alcohol Scale
    • All of the above
    Ans  Alcoholmeter

    Q23. Radiation of item is measured by

    • Curiemeter
    • Caliper
    • Dosimeter
    • Radiationmeter
    Ans  Dosimeter

    Q24. ______ is used in measurement of tanning liquors used in tanning leather

    • Barometer
    • Barkometer
    • Tanningmeter
    • Leathermeter
    Ans  Barkometer

    Q25. Electromagnetic radiation is measured by

    • Polometer
    • Bolometer
    • lectrometer
    • Radiometer
    Ans Bolometer 

    Q26. ____ device is used to measure breath alcohol content

    • Breathmeter
    • Breathalyzer
    • Breathchecker
    • Alcometer
    Ans Breathalyzer

    Q27. _______ is use to measure heat of chemical reactions

    • Actinometer
    • Heatchecker
    • Heat Analyser
    • Calorimeter
     Calorimeter

    Q28. Device use to measure color is

    • Coloranalyzer
    • Alcohol
    • Colorimeter
    • Colorsensor
    Ans Colorimeter 

    Q29. ______ is use to measure specific gravity of liquids

    • Density Analyzer
    • Gravimeter
    • Densimeter
    • Potentiometer
    Ans  Densimeter

    Q30. Degree of darkness in the photographic and/or semitransparent material is measured by

    • Electrometer
    • Gravimeter
    • Densimeter
    • Densitometer
    Ans  Densitometer
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