NIPER-JEE-QUESTION-PAPER-2012
QUIZ NO 8
TOTAL QUESTIONS = 20
1. Post 1995, Indian companies need to patent ––––––.
A. Process
B. Product
C. Me-too drugs
D. Copycat drugs
2. Bacteria that produce superoxide dismutase and catalase are –––––––.
A. Aerobic
B. Obligate anaerobic
C. Facultative anaerobic
D. Mesophile
3. Nebivolol:
A. It is a competitive and highly selective beta-1 receptor antagonist
B. It is a mild vasodilator
C. It increases nitric oxide formation
D. It is not protein bound
4. Polymorph. Find the WRONG statement:
A. Monoclinic form of paracetamol is marketed
B. The most stable polymorph will be the least soluble
C. The least stable polymorph crystallizes first
D. For ritonavir, most stable polymorph is most soluble
5. This process of repatenting modified formulations of a drug, after the original composition of matter patent has expired, is an example of ––––––.
A. Evergreening
B. Monopoly
C. Continuation
D. Extending
6. The amino acid residue having an imino side chain is:
A. Lysine
B. Histidine
C. Tyrosine
D. Proline
7. Carbon nanotubes are –––––––.
A. Fullerenes
B. Allenes
C. Allotropes of carbon
D. Both A and C
8. Which figure has the greatest area?
A. Triangle
B. Rectangle
C. Hexagon
D. Sphere
9. The temperature of liquid nitrogen is:
A. -32°C
B. -80°C
C. -100°C
D. -196°C
10. Nitrogen is estimated by:
A. Liebig's method
B. Kjeldahl's method
C. Carius’ method
D. Duma’s method
11. A person walks 3/4 of his normal velocity and reaches office 20 minutes late. What is his usual time taken to reach office?
A. 40 minutes
B. 60 minutes
C. 80 minutes
D. 30 minutes
12. ODT has in-vitro disintegration times of approximately ––––––.
A. 30 seconds or less
B. More than 30 seconds
C. Depends on the drug
D. Always more than one minute
13. Botanical source of soyabean is ___ Family Fabaceae:
A. Vigna radiate
B. Phaseolus vulgaris
C. Glycine max
D. Vigna angularis
14. What is the wavelength range of the radiation used in ESR spectroscopy?
A. X-Ray
B. Ultraviolet
C. Infrared
D. Microwave
15. What causes the splitting of energy levels in a magnetic field?
A. Hund's Rule
B. Zeeman Effect
C. Van der Waals interactions
D. Aufbau Principle
16. Allopurinol and Hypoxanthine are:
A. Enantiomers
B. Geometric isomers
C. Isosteres
D. Diastereomers
17. A positive Hammett sigma value means that a functional group:
A. Donates electrons to a ring
B. Doesn’t affect the ring
C. Withdraws electrons from the ring
D. Makes the ring more flexible
18. Which one of the following constituents is reported to have anti-hepatotoxic activity?
A. Podophyllotoxin
B. Andrographolide
C. Linalool
D. Safranal
19. Cytochrome P450 most commonly involved in drug metabolism:
A. CYP 3A4
B. CYP 1A1
C. CYP 2E1
D. CYP 2D6
20. Experimental research differs from other types of research because in experimental research:
A. Dependent variable has to be measured precisely
B. Independent variable has to be manipulated
C. Different groups are compared
D. There are no extraneous variables
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