Q1. The primary function of red blood cells is to:
Correct Answer: Transport oxygenQ2. Which of the following is a renewable resource?
Correct Answer: Solar energyQ3. Coca alkaloids increase alertness by stimulating the:
Correct Answer: Brain and nervous systemQ4. Which planet in our solar system is known as the “Red Planet”?
Correct Answer: MarsQ5. What is the chemical symbol for water?
Correct Answer: H2OQ6. In a simple series electrical circuit, if one light bulb burns out, what happens to the others?
Correct Answer: They turn offQ7. Which force is responsible for holding the planets in orbit around the Sun?
Correct Answer: GravityQ8. The process by which plants convert light energy into chemical energy is called:
Correct Answer: PhotosynthesisQ9. Which of these is not a state of matter?
Correct Answer: HeatQ10. The largest organ in the human body is the:
Correct Answer: Skin