Identify the term for the component present in larger quantity dissolving another component in a solution

• A) The component with a uniform composition
• B) The solute
• C) The solvent
• D) The component with the smaller quantity

In the preparation of a 5% NaCl solution, what is the role of the volumetric flask?

• A) Adjusting solute concentration
• B) Finalizing the volume to 100 ml
• C) Determining molality
• D) Measuring the pH

What color does amylopectin give when iodine solution is added?

• A) Reddish-brown
• B) Blue/black
• C) Yellow
• D) Green

What is the name of the instrument calibrated with buffers for evaluating the acidity or alkalinity of solutions?

• A) Centrifuge Machine
• B) pH Meter
• C) Autoclave
• D) Water Bath

What is the term for the cylindrical container that has volumetric markings and is used to measure volume?

• A) Funnel
• B) Beaker
• C) Volumetric flask
• D) Graduated cylinder

What factor limits the effectiveness of the iodine test at very low pH?

• A) Interaction with water-miscible organic solvents
• B) Oxidation of carbohydrates
• C) Hydrolysis of starch
• D) Formation of triiodide anion

What is the end product when elemental iodine is dissolved in a potassium iodide solution based on the chemical principle?

• A) Triiodide anion (I3−)
• B) Hydrolysis of starch
• C) Oxidation of carbohydrates
• D) Ethanol interaction

DNA Amplification is done by _____________

• A) Microscope
• B) PCR
• C) Centrifuge
• D) Shaker

How can the concentration of a solute in a solution be represented as a percentage based on its mass?

• A) Mass of the solute / Mass of solution
• B) Mass of the solute x Mass of solution
• C) Mass of the solution / Mass of the solute x 100
• D) Mass of the solute x 100 / Mass of solution

What is the term for glassware used to move specific amounts of fluids from one location to another?

• A) Beakers
• B) Bulb and graduated pipettes
• C) Burettes
• D) Volumetric flasks

Which apparatus is utilize to maintain a consistent temperature for agar and other materials?

• A) Anaerobic Jar
• B) Water Bath
• C) UV Lamp
• D) Centrifuge Machine

What is the term for small containers utilized to store samples or reagents?

• A) Burettes
• B) Vials
• C) Graduated cylinders
• D) Bulb and graduated pipettes

What should be done with the liquid portion remaining after centrifugation in case of isolation of Amylose and Amylopectin

• A) Used for filtering
• B) Stored at room temperature
• C) Crystalized with the help of a spray dryer to convert into powder form
• D) Discarded

How is the concentration of a solution expressed in terms of molality?

• A) Number of moles of solute / Volume of solution in liters
• B) Number of moles of solute x Volume of solution in liters
• C) Number of moles of solute x Volume of solvent in kilograms
• D) Number of moles of solute / Volume of solvent in kilograms

Which concentration unit is defined as the number of equivalents dissolved per liter of solution?

• A) Molarity
• B) Normality
• C) Mass Percentage
• D) Molality

When examining a reaction involving potato slices or cubes, what is a notable observation, particularly related to a change in color?

• A) Red color
• B) Green color
• C) Yellow color
• D) Blue-black color

Which of the following statements accurately characterizes the iodine test's role in analyzing substances?

• A) All of the mentioned statement
• B) The iodine test provides valuable insights into the composition of a tested material, with a particular focus on the determination of carbohydrates.
• C) The iodine test is instrumental in identifying and detecting carbohydrates, with a specific emphasis on their presence in a given substance.
• D) The iodine test is a diagnostic tool primarily employed to ascertain the presence of carbohydrates.

What can an unusual color of urine suggest, possibly indicating elevated bilirubin levels and the presence of hepatitis?

• A) Straw
• B) Amber
• C) Yellow
• D) Dark yellow

In the extraction process, why is the mixture subjected to centrifugation at 14,000 rpm for 10 minutes?

• A) To increase volume
• B) To separate phases
• C) To speed up the reaction
• D) To enhance color

Where is glycogen primarily synthesized and stored in humans?

• A) Heart and lungs
• B) Liver and skeletal muscle
• C) Brain and pancreas
• D) Kidneys and adipose tissue