NIPER-JEE PYQ 2016
QUIZ NO 10
TOTAL QUESTIONS = 20
1. Conversion of diazoketone to ketone is _____ rearrangement.
A. Wolff
B. Curtius
C. Dakin
D. Wittig
2. Imidazole-containing alkaloids are derived from:
A. Lysine
B. Anthranilic acid
C. Histidine
D. Ornithine
3. Optic neuropathy is the chief adverse effect of:
A. Sulpha drugs
B. Pyrazinamide
C. Rifampicin
D. Ethambutol
4. Pure water does not conduct electricity because it is:
A. Almost unionized
B. Low boiling
C. Neutral
D. Readily decomposed
5. NLO : RPS :: ? : ZXA
A. VUW
B. VTR
C. VTW
D. TRP
6. Water attack test is performed for which type of glass?
A. Type I
B. Type II
C. Type III
D. Type IV
7. The enzyme fumarase catalyzes the reversible hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis-isomer of fumaric acid. This is an example of:
A. Biological activity
B. Chiral activity
C. Stereoisomerization
D. Stereospecificity
8. The Volhard method is used for the estimation of:
A. Cyanide ion by titration with silver nitrate
B. Silver ion directly
C. Oxygen in water
D. Glucose in blood
9. When the linear form of glucose cyclizes, the product is a(n):
A. Anhydride
B. Glycoside
C. Hemiacetal
D. Lactone
10. Indicator used in redox titration is:
A. Eriochrome black T
B. Methyl orange
C. Phenolphthalein
D. Methylene blue
11. A compound of formula C₅H₁₂ gives 1 signal in the ¹H NMR and 2 signals in the ¹³C NMR. The compound is:
A. Pentane
B. 2-Methylbutane
C. 2,2-Dimethylpropane
D. Cannot tell without more information
12. A pair of which of the following species may be separated by simple physical processes?
A. Identical molecules
B. Enantiomers
C. Diastereomers
D. Atropisomers
13. Reynolds number for turbulent flow is:
A. Re < 2300
B. 2300 < Re < 4000
C. > 4000
D. None of the above
14. Which marker is used to measure the volume of plasma?
A. Mannitol
B. Evans blue
C. Inulin
D. None of the above
15. The usual concentration of agar in solidifying culture media is ____%.
A. 0.05–0.5
B. 0.1
C. 1–2
D. 5–10
16. The correct stability pattern of carbanion is:
A. Allylic > alkenyl (vinyl, aryl) > 3° > 2° > 1° > methyl
B. Allylic > 3° > 2° > 1° > methyl > alkenyl (vinyl, aryl)
C. Allylic > alkenyl (vinyl, aryl) > methyl > 1° > 2° > 3°
D. Allylic > alkenyl (vinyl, aryl) > 3° > 2° > 1° > methyl
17. In polymer, degree of crystallinity:
A. Decreases Tg value
B. Stabilizes Tg value
C. Increases Tg value
D. Does not affect Tg value
18. In India, private sector entered into the Life Insurance business in the year:
A. 1995
B. 1998
C. 2000
D. 2001
19. Which of the following is not patentable subject matter?
A. Observation of physical phenomena
B. Bacteria in their natural state
C. Methods of inoculating bacteria
D. Genetically modified living organisms
20. Nusinersen, a drug approved during 2016 by USFDA, is:
A. Monoclonal antibody
B. Polyclonal antibody
C. Antisense oligonucleotide
D. Small organic molecule
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