NIPER booster 5

1. Isomers differing as a result of variations in configuration of the —OH and —H on

carbon atoms 2, 3 and 4 of glucose are known as

a. Epimers                                         b. Anomers

c. Optical isomers                            d. Steroisomers

 

2. Which of the following is a non-reducing sugar?

a. Isomaltose            b. Maltose

c. Lactose                  d. Trehalose

 

3. Which of the following is an epimeric pair?

a. Glucose and fructose

b. Glucose and galactose

c. Galactose and mannose

d. Lactose and maltose

 

4. Identify the odd one with respect to its use

a. Absorbable gelatin sponge

b. Calcium alginate

c. Oxidized cellulose

d. Dextran 40

 

 

5. The source of Nystatin is

a. Streptomyces fradiae

b. Streptomyces noursei

c.Streptomyces orchidaceous

d. Streptomyces griseus

 

6. The source of Camptothecin belongs to the family

a. Combretaceae

b. Araceae

c. Nyssaceae

d. Nyctaginaceae

 

7. Chemical class of Camptothecin is

a. Triterpenoid saponin

b. Flavonoidal glycoside

c. Steroidal glycoalkaloid

d. Pyrroloquinoline alkaloid

 

8.Identify the correct statement(s) about Etoposide and Irinotecan

i. They are synthetic compounds obtained from the same lead molecule and have same mechanism of action

ii. Etoposide is a derivative of Epipodphyllotoxin whereas Irinotecan is a derivative of Topotecan

iii. Etoposide is a DNA topoisomerase II inhibitor whereas Irinotecan is DNA topoisomerase I inhibitor

iv. Etoposide is the active molecule whereas Irinotecan is a prodrug.

a. iii and iv    b. ii and iii      c.i and iv        d. only iii

 

 

9. The winning goal in the FIFA World Cup 2010 was scored by?

a. Xabi Alonso

b. Andres Iniesta

c. Xavier Hernandez

d. Carles Puyol

 

10. Identify the synonym of peccant

a. Innocent

b. Sinful

c. Naïve

d. Ignorant

 

KEY:

1.A

2.D

3.B

4.D

5.B

6.C

7.D

8.A

9.B

10.B

 

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