NIPER-JEE-QUESTION-PAPER-2011 QUIZ NO 4 TOTAL QUESTIONS = 20 Mock Test Quiz Free MCQ pyqonline.com

NIPER-JEE-QUESTION-PAPER-2011
QUIZ NO 4
TOTAL QUESTIONS = 20

1. Which of the following reactions occurs faster in H₂O than D₂O?

A. SN2 B. SN1 C. Elimination D. Hydrolysis

2. Meso compounds are optically inactive due to?

A. Internal compensation B. External compensation C. Restricted rotation D. None

3. Erythrose and threose are

A. Diastereomers B. Enantiomers C. Both A and B D. Anomers

4. Which of the following is not associated with hepatotoxicity?

A. Rifampicin B. Pyrazinamide C. Ethambutol D. Streptomycin

5. The range of IR absorption for N-H bound is ___ cm⁻¹:

A. 1700 B. 3400 C. 780 D. 1100

6. Term pharmacognosy was coined by

A. Hyppocratus B. Syndler C. Gallon D. Pasture

7. Competitive inhibition is overcome by

A. Increase in substrate conc. B. Decrease in substrate conc. C. Increase in temp. D. Decrease in temp.

8. Chemically Kaolin is

A. Hydrated magnesium silicate B. Hydrated aluminium silicate C. Calcium carbonate D. None

9. H. Pylori causes:

A. Diarrhoea B. Hyperacidity C. Dysentery D. Crohn’s disease

10. When UV light falls on a molecule it causes

A. Nuclear spinning B. Electronic transitions C. Vibration transitions D. Mass change

11. Which of the following is a third-generation hypoglycaemic agent?

A. Glimepiride B. Repaglinide C. Phenformin D. Metformin

12. Which of the following elements is present in betaine structure?

A. Sodium B. Phosphorous C. Lithium D. Chlorine

13. Clonidine is

A. Antilipidaemic B. Antipsychotic C. Antiseizure D. Antihypertensive

14. Mannitol is an excellent choice for chewable tablets because it has

A. Positive heat of solution B. Negative heat of solution C. Zero heat of solution D. None

15. AU, BV, CW, ___?

A. KL B. MN C. DX D. CD

16. Chemically Mayer's reagent is

A. Potassium mercuric iodide B. Potassium bismuth iodide C. I and KI D. Picric acid

17. Strength of H₂O₂ as per IP is

A. 20% w/v B. 80% w/v C. 20 volume D. 80 volume

18. Vulcanizing agent for rubber is:

A. Sulphur B. Sulphur dioxide C. Zinc D. CaCO₃

19. Which of the following plastic polymers has higher permeability?

A. Polyethylene B. Polypropylene C. Nylon D. Polystyrene

20. Chemically Carbopols are

A. Carboxy vinyl polymer B. Acryl polymer C. PEG D. PVP

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