Gen Sci Diagnostic Test

What Newton’s Law of motion explains why heavier objects require more force than lighter objects to move or accelerate them?

• First Law

• Second Law

• Third Law

• Fourth Law

A jeepney driver experiences back pain due to poor seat design. Which physics principle should engineers apply for ergonomic improvement?

• Pascal’s principle

• Torque and center of mass

• Reflection of sound

• Angular momentum

Mixing bleach and vinegar while cleaning produces toxic chlorine gas. What type of chemical reaction occurs?

• Combustion

• Acid-Base Reaction

• Photosynthesis

• Decomposition

Why do LED lights reduce electricity bills more effectively than incandescent bulbs?

• Less energy wasted as heat

• Brighter light output

• Longer manufacturing process

• Higher UV emission

During an asthma attack, why does a person’s skin turn pale?

• Digestive system failure

• Circulatory system oxygen deprivation

• Nervous system overload

• Endocrine Imbalance

What makes the Philippines vulnerable to frequent typhoons?

• Distance from the equator

• Warm Pacific Ocean waters and location

• High Mountain ranges

• Dense urban populations

Farmers notice algal blooms in rivers after overusing fertilizers. Which process explains this?

• Photosynthesis

• Eutrophication from nutrient runoff

• Soil mineralization

• Carbon sequestration

A hydraulic car lift uses a small force to lift heavy vehicles. Which principle is applied?

• Archimedes’ principle

• Pascal's Principle

• Bernoulli’s principle

• Newton’s third law

Why should expired medicines be returned to pharmacies instead of thrown in the trash?

• To reuse packaging

• To prevent chemical contamination

• To reduce landfill volume

• To lower production costs

. How do vaccines protect against diseases like COVID-19?

• Killing viruses directly

• Boosting metabolism

• Replacing infected cells

• Training immune memory cells