We have provided 25 MCQs on Pharmaceutical Calculations Unit-2, 1st semester, Pharmaceutics, B. Pharm.

**We have covered following topics.**

**Pharmaceutical calculations:** Weights and measures – Imperial & Metric system, Calculations involving percentage solutions, alligation, proof spirit and isotonic solutions based on freezing point and molecular weight.

## Table of Contents

**MCQ on Pharmaceutical Calculations**

**What is the primary purpose of using the metric system in pharmaceutical calculations?**

- A. To make calculations more complex
- B. To adhere to historical conventions
- C. To facilitate accurate and precise measurements
- D. To promote the use of the imperial system

**Correct Answer:** **C. To facilitate accurate and precise measurements**

**In pharmaceutical calculations, what does the term “percentage solution” refer to?**

- A. A solution with a percentage of active pharmaceutical ingredient (API)
- B. A solution with a percentage of water
- C. A solution with a percentage of sugar
- D. A solution with a percentage of ethanol

**Correct Answer:** A.** A solution with a percentage of active pharmaceutical ingredient (API)**

**In alligation calculations, what is the purpose of mixing two solutions with different concentrations?**

- A. To create a larger volume of solution
- B. To reduce the solubility of the solute
- C. To achieve a desired concentration of the solute
- D. To increase the shelf life of the solutions

**Correct Answer:** C. To achieve a desired concentration of the solute

**What is the purpose of calculating the proof spirit in pharmaceutical calculations?**

- A. To determine the color of a pharmaceutical solution
- B. To measure the alcoholic strength of a solution
- C. To calculate the volume of a container
- D. To assess the solubility of a drug

**Correct Answer:** B. To measure the alcoholic strength of a solution

**In pharmaceutical calculations, what is an isotonic solution?**

- A. A solution with a temperature of 0 degrees Celsius
- B. A solution that is neither acidic nor alkaline
- C. A solution with the same osmotic pressure as body fluids
- D. A solution that contains isotopes of elements

**Correct Answer:** C. A solution with the same osmotic pressure as body fluids

**What is the primary unit of measurement for weight in the metric system?**

- A. Gram (g)
- B. Liter (L)
- C. Meter (m)
- D. Kilogram (kg)

**Correct Answer:** A. Gram (g)

**In pharmaceutical calculations, what is the primary purpose of calculating freezing point depression in isotonic solutions?**

- A. To determine the color of the solution
- B. To assess the solubility of a drug
- C. To determine the osmotic pressure of the solution
- D. To measure the pH of the solution

**Correct Answer:** C. To determine the osmotic pressure of the solution

**What is the primary unit of measurement for volume in the metric system?**

- A. Gram (g)
- B. Liter (L)
- C. Meter (m)
- D. Kilogram (kg)

**Correct Answer:** B. **Liter (L)**

**What is the primary unit of measurement for volume in the imperial system?**

- A. Gallon (gal)
- B. Kilogram (kg)
- C. Meter (m)
- D. Milliliter (mL)

**Correct Answer:** A. Gallon (gal)

**In pharmaceutical calculations, what is the primary purpose of calculating the molecular weight of a substance?**

- A. To determine the substance’s color
- B. To measure the substance’s density
- C. To assess the substance’s solubility
- D. To calculate the amount of a substance needed for a specific formulation

**Correct Answer:** D. To calculate the amount of a substance needed for a specific formulation

**What is the primary unit of measurement for volume in the metric system?**

- A. Gallon (gal)
- B. Kilogram (kg)
- C. Meter (m)
- D. Milliliter (mL)

**Correct Answer:** D. Milliliter (mL)

**In pharmaceutical calculations, what is the purpose of calculating the concentration of a solution in percentage (%)?**

- A. To determine the volume of the solution
- B. To calculate the osmotic pressure of the solution
- C. To assess the density of the solvent
- D. To express the quantity of solute relative to the total solution volume

**Correct Answer:** D. To express the quantity of solute relative to the total solution volume

**What is the primary unit of measurement for weight in the imperial system?**

- A. Pound (lb)
- B. Kilogram (kg)
- C. Meter (m)
- D. Ounce (oz)

**Correct Answer:** A. Pound (lb)

**In pharmaceutical calculations, what is the purpose of calculating the proof spirit of an alcohol solution?**

- A. To determine the color of the solution
- B. To assess the solubility of a drug
- C. To measure the alcoholic strength of the solution
- D. To calculate the volume of a container

**Correct Answer:** C. To measure the alcoholic strength of the solution

**What is the primary unit of measurement for length in the imperial system?**

- A. Gallon (gal)
- B. Kilogram (kg)
- C. Inch (in)
- D. Milliliter (mL)

**Correct Answer:** C. Inch (in)

**In pharmaceutical calculations, what is the primary purpose of calculating alligation?**

- A. To determine the color of a solution
- B. To measure the density of a substance
- C. To calculate the concentration of a solution
- D. To mix solutions of different concentrations to achieve a desired concentration

**Correct Answer:** D. To mix solutions of different concentrations to achieve a desired concentration

**What is the primary unit of measurement for weight in the metric system?**

- A. Gallon (gal)
- B. Kilogram (kg)
- C. Inch (in)
- D. Ounce (oz)

**Correct Answer:** **B. Kilogram (kg**)

**In pharmaceutical calculations, what is the primary purpose of calculating the molecular weight of a substance?**

- A. To determine the substance’s color
- B. To measure the substance’s density
- C. To assess the substance’s solubility
- D. To calculate the amount of a substance needed for a specific formulation

**Correct Answer:** D.** To calculate the amount of a substance needed for a specific formulation**

**What is the primary unit of measurement for length in the metric system?**

- A. Gallon (gal)
- B. Kilogram (kg)
- C. Inch (in)
- D. Millimeter (mm)

**Correct Answer:** D. **Millimeter (mm)**

**In pharmaceutical calculations, what is the purpose of calculating the concentration of a solution in percentage (%)?**

- A. To determine the volume of the solution
- B. To calculate the osmotic pressure of the solution
- C. To assess the density of the solvent
- D. To express the quantity of solute relative to the total solution volume

**Correct Answer:** D. To express the quantity of solute relative to the total solution volume

**What is the primary unit of measurement for volume in the imperial system?**

- A. Pound (lb)
- B. Kilogram (kg)
- C. Inch (in)
- D. Fluid ounce (fl oz)

**Correct Answer:** D. Fluid ounce (fl oz)

**In pharmaceutical calculations, what is the purpose of calculating the proof spirit of an alcohol solution?**

- A. To determine the color of the solution
- B. To assess the solubility of a drug
- C. To measure the alcoholic strength of the solution
- D. To calculate the volume of a container

**Correct Answer:** C. To measure the alcoholic strength of the solution

**What is the primary unit of measurement for volume in the metric system?**

- A. Gallon (gal)
- B. Kilogram (kg)
- C. Meter (m)
- D. Milliliter (mL)

**Correct Answer:** D. **Milliliter (mL)**

**In pharmaceutical calculations, what is the primary purpose of calculating alligation?**

- A. To determine the color of a solution
- B. To measure the density of a substance
- C. To calculate the concentration of a solution
- D. To mix solutions of different concentrations to achieve a desired concentration

**Correct Answer:** D. To mix solutions of different concentrations to achieve a desired concentration

**What is the primary unit of measurement for weight in the imperial system?**

- A. Pound (lb)
- B. Kilogram (kg)
- C. Gram (g)
- D. Ounce (oz)

**Correct Answer:** A. **Pound (lb)**

**In pharmaceutical calculations, what is the primary purpose of calculating the molecular weight of a substance?**

- A. To determine the substance’s color
- B. To measure the substance’s density
- C. To assess the substance’s solubility
- D. To calculate the amount of a substance needed for a specific formulation

**Correct Answer:** D. To calculate the amount of a substance needed for a specific formulation

**What is the primary unit of measurement for length in the imperial system?**

- A. Yard (yd)
- B. Kilogram (kg)
- C. Inch (in)
- D. Centimeter (cm)

**Correct Answer:** C. Inch (in)

**In pharmaceutical calculations, what is the purpose of calculating the concentration of a solution in percentage (%)?**

- A. To determine the volume of the solution
- B. To calculate the osmotic pressure of the solution
- C. To assess the density of the solvent
- D. To express the quantity of solute relative to the total solution volume

**Correct Answer:** D. To express the quantity of solute relative to the total solution volume

**What is the primary unit of measurement for volume in the metric system?**

- A. Liter (L)
- B. Kilogram (kg)
- C. Inch (in)
- D. Fluid ounce (fl oz)

**Correct Answer:** A. Liter (L)

**In pharmaceutical calculations, what is the purpose of calculating the proof spirit of an alcohol solution?**

- A. To determine the color of the solution
- B. To assess the solubility of a drug
- C. To measure the alcoholic strength of the solution
- D. To calculate the volume of a container

**Correct Answer:** C. To measure the alcoholic strength of the solution

**What is the primary unit of measurement for volume in the imperial system?**

- A. Liter (L)
- B. Kilogram (kg)
- C. Gallon (gal)
- D. Milliliter (mL)

**Correct Answer:** C. Gallon (gal)

**In pharmaceutical calculations, what is the primary purpose of calculating alligation?**

- A. To determine the color of a solution
- B. To measure the density of a substance
- C. To calculate the concentration of a solution
- D. To mix solutions of different concentrations to achieve a desired concentration

**In the metric system, what is the primary unit of measurement for length?**

- A. Inch (in)
- B. Centimeter (cm)
- C. Gallon (gal)
- D. Fluid ounce (fl oz)

**Correct Answer:** B. Centimeter (cm)

**What is the primary unit of measurement for weight in the metric system?**

- A. Pound (lb)
- B. Kilogram (kg)
- C. Gallon (gal)
- D. Ounce (oz)

**Correct Answer:** B. Kilogram (kg)

- A. To determine the substance’s color
- B. To measure the substance’s density
- C. To assess the substance’s solubility
- D. To calculate the amount of a substance needed for a specific formulation

**Correct Answer:** D. To calculate the amount of a substance needed for a specific formulation

**What is the primary unit of measurement for volume in the metric system?**

- A. Gallon (gal)
- B. Kilogram (kg)
- C. Milliliter (mL)
- D. Inch (in)

**Correct Answer:** C. Milliliter (mL)

- A. To determine the volume of the solution
- B. To calculate the osmotic pressure of the solution
- C. To assess the density of the solvent
- D. To express the quantity of solute relative to the total solution volume

**Correct Answer:** **D. To express the quantity of solute relative to the total solution volume**

**What is the primary unit of measurement for volume in the imperial system?**

- A. Liter (L)
- B. Kilogram (kg)
- C. Gallon (gal)
- D. Fluid ounce (fl oz)

**Correct Answer: D. Fluid ounce (fl oz)**

- A. To determine the color of the solution
- B. To assess the solubility of a drug
- C. To measure the alcoholic strength of the solution
- D. To calculate the volume of a container

**Correct Answer:** **C. To measure the alcoholic strength of the solution**

**What is the primary unit of measurement for length in the imperial system?**

- A. Meter (m)
- B. Kilogram (kg)
- C. Inch (in)
- D. Milliliter (mL)

**Correct Answer: C. Inch (in)**

## More MCQ

**PHARMACEUTICS- I**