NIPER 2019
1. Which one of the following is a selective 5-HT1D receptor agonist?
(a) Buspirone
(b) Ondansetron
(c) Sumatriptan
(d) Cisapride
2. Deamination of 5-methyl cytosine produces:
(a) Uracil
(b) Cytosine
(c) Adenine
(d) Thymine
3. Which enzyme is used for coupling of DNA helices?
(a) Gyrase
(b) Ligases
(c) Lyases
(d) Isomerases
4. Which of the following are a non-reducing sugars?
(a) Lactose and galactose
(b) Fructose and ribose
(c) Isomaltose and Maltose
(d) Sucrose and Trehalose
5. Which nucleic acid base is absent in RNA?
(a) Guanine
(b) Adenine
(c) Thymine
(d) Uracil
6. The number of carbons in stearic acid is:
(a) 15
(b) 16
(c) 17
(d) 18
7. Who discovered Oxygen?
(a) Joseph Priestley
(b) Fritz Haber
(c) Joseph Black
(d) Daniel Rutherford
8. Identify the reaction in which acyl azide is converted to amine:
(a) Lossen rearrangement
(b) Schmidt reaction
(c) Curtius rearrangement
(d) Wolff rearrangement
9. According to Higuchi model, drug release from porous matrix is directly related to:
(a) time
(b) square root of time
(c) square of time
(d) porosity
10. Position of N in purine ring are:
(a) 1,5,7
(b) 1,3,7
(c) 3,5,7
(d) 1,3,5
ANSWER KEY
| 1-c | 2-d | 3-b | 4-d | 5-c | 6-d | 7-a | 8-c | 9-b | 10-b |
|
|
|
|
Practice More MCQs (YouTube) |
