NIPER-JEE MCQ 2005
QUIZ NO 1
TOTAL QUESTIONS = 20
1. Andrographolid is the principal chemical constituent of
A. Quassia
B. Kalmegh
C. Picrorrhiza
D. Visnaga
2. _____ is the principal chemical constituent of ashwagandha.
A. Withanine
B. Conessine
C. Germidine
D. Neopelline
3. _____ is the indication of flow property.
A. Bridging
B. Angel of repose
C. Rat holing
D. All of the above
4. Which of the following polymer is used as an ion exchanger?
A. Cross-linked polystyrene
B. CMC
C. Cross-linked polymethacrylate
D. All
5. Which of the following is a biodegradable polymer?
A. Chitosan
B. PGA
C. PCL
D. All of the above
6. Which of the following principle involves Karl Fischer titration?
A. Reduction of I by SO₂ in presence of water by removal of pyridine iodate
B. Reduction of SO₂ in presence of water by removal of pyridine sulphate trioxide.
C. Reduction of SO₂ by pyridine in presence of I and water by removal of pyridine iodate
D. Reduction of I by pyridine in presence of water and SO₂ by removal of pyridine sulphate trioxide
7. Which of the following is a protophilic solvent?
A. Benzene
B. Chloroform
C. Sulphuric acid
D. None of the above
8. Which of the following is hydrophobic?
A. DMSO
B. Ethanol
C. PEG
D. Stearic acid
9. Fingerprint region for IR is
A. 1400 - 4000 cm⁻¹
B. 4000 - 8000 cm⁻¹
C. 400 - 1400 cm⁻¹
D. None of the above
10. When UV light falls on a molecule it causes
A. Excitation of bonds
B. Excitation of nucleases
C. Excitation of molecules
D. Excitation of electrons
11. Addition of a double bond to a chromophore causes shift.
A. Hypsochromic
B. Hypochromic
C. Bathochromic
D. Hyperchromic
12. Dry solids are sterilized by
A. Dry heat
B. Gaseous
C. Radiation
D. Steam
13. Minimum number of members required to form a co-operative society firm is:
A. 2
B. 7
C. 10
D. No limit
14. Which of the following gums have antidiabetic activity?
A. Acacia
B. Guar
C. Xanthan
D. Locust bean
15. Artemisinin is
A. Anthelmintics
B. Anticancer
C. Antimalarial
D. All of these
16. Asparaginase shows activity
A. Antitumor
B. Antimicrobial
C. Anti-inflammatory
D. Thrombolytic
17. Gingival hyperplasia is related to
A. Ethosuccimide
B. Gabapentin
C. Phenytoin
D. Valproic acid
18. What is the use of cyclodextrin?
A. Solubility enhancement
B. Stability enhancement
C. Taste masking
D. All of the above
19. Which of the following is not associated with hypokalemia?
A. Hydrochlorothiazide
B. Furosemide
C. Triamterene
D. Amphotericin B
20. GABA receptors are
A. Excitatory
B. Inhibitory
C. Excitatory followed by inhibition
D. Inhibition followed by excitation
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