NIPER 2025
1. Which powder must be sterilized before their use?
(a) Medicated dusting powders
(b) Non-medicated powders
(c) Natural dusting powder
(d) Surgical dusting powders
2. False statement about Mohr’s method:
(a) Solution should be neutral
(b) Solution should be acidic
(c) Potassium chromate indicator used
(d) Used for estimation of NaCl
3. Ilkovic equation relates:
(a) Migration current vs drop time
(b) Diffusion current vs concentration
(c) Migration current vs concentration
(d) Voltage vs current
4. In which analytical technique, “Heat flow changes vs Temperature/Time” is measured?
(a) HPLC
(b) DSC
(c) TLC
(d) NMR
5. Which deformation behavior is MOST desirable for direct compression excipients?
(a) Brittle fracture
(b) Elastic deformation
(c) Plastic deformation
(d) Viscoelastic flow
6. Which of the following buffer systems is an example of a weak base and its conjugate acid, i.e., salt of weak base with a strong acid?
(a) Potassium hydrogen phosphate + potassium dihydrogen phosphate
(b) Ammonium hydroxide + ammonium chloride
(c) Glycine solution
(d) Acetic acid + sodium acetate
7. Which of the following actions is not exerted by the buffers used in pharmaceutical formulations?
(a) Increase drug solubility
(b) Increase gastric irritation of acidic drugs
(c) Enhance stability
(d) Ensure physiological compatibility
8. Raltegravir is:
(a) Protease inhibitor
(b) Integrase inhibitor
(c) CCR5 inhibitor
(d) Nucleotide reverse transcriptase inhibitor
9. Trachoma is caused by:
(a) Salmonella typhi
(b) Clostridium enteritidis
(c) Staphylococcus aureus
(d) Chlamydia trachomatis
10. The Kaushalya Dam, important for flood control and water supply, is located in which Indian state?
(a) Haryana
(b) Maharashtra
(c) Punjab
(d) Tamil Nadu
ANSWER KEY
| 1-d | 2-b | 3-b | 4-b | 5-c | 6-b | 7-b | 8-b | 9-d | 10-a |
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