Page 63 - Practical Handout bio 2 mnu 2025_Neat

Level two – Semester 4 - PharmD Biochemistry-II PB-403 (Practical course) 2024/2025

7. What is the key advantage of using a multi-channel micropipette?

A. Increases precision

B. Works with small sample sizes

C. Reduces workload for large volumes of samples

D. Measures absorbance

Answer: C. Reduces workload for large volumes of samples

8. What is the function of the standard in colorimetric determination?

A. Eliminates reagent error

B. Provides known volume and concentration

C. Forms a colored complex

D. Measures the absorbance of the reagent

Answer: B. Provides known volume and concentration

9. What type of micropipette can adjust the volume of liquid dispensed

within a specified range?

A. Fixed volume micropipette

B. Multi-channel micropipette

C. Variable volume micropipette

D. Single-channel micropipette

Answer: C. Variable volume micropipette

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