MCQs

Q91: Which of the following is the formula of glucose?

• A) C6H12O6
• B) C6H6
• C) C6H2O6

Q92: Which substance has a pH value closest to neutral?

• A) Ammonia
• B) Blood
• C) Milk

Q93: The SI Unit of volume is _____?

• A) m³
• B) m²
• C) n²

Q94: The process of sublimation _______?

• A) A solid turns directly into a liquid
• B) A solid turns directly into a gas
• C) A gas turns directly into a liquid

Q95: The process in which solid directly changes to gas is called?

• A) Melting
• B) Freezing
• C) Condensing

Q96: The instrument used to measure temperature is called the?

• A) Barometer
• B) Hygrometer
• C) Thermometer

Q97: In which mode heat transfer in solids? ٹھوس میں حرارت کی منتقلی کس موڈ میں ہے؟

• A) Convection
• B) Radiation
• C) Conduction

Q98: A horizontal line that passes through the lens is called ____? ایک افقی لکیر جو عینک سے گزرتی ہے ____ کہلاتی ہے؟

• A) Focal Point
• B) Optical Centre
• C) Principal Axis

Q99: The stored form of energy in every object is called?

• A) Thermal Energy
• B) Potential Energy
• C) Kinetic Energy

Q100: What is the unit for the spring constant?

• A) Nm
• B) Nm^-2
• C) Nm^-1