4. What is the solvent in a cup of milk?
A milk powder
B. sugar
C. sugar and milk
D. water
5.Which of the following substances does not dissolve in water?
A. milk powder
B. oil
C. pepper
D. sugar
6. What is the primary function of the respiratory system?
A. breathing
B. circulation
C. digestion
D. movement
7. What is the major organ of the circulatory system?
A. brain
B. capillary
C. heart
D. lungs
8. How are circulatory and digestive system related?
A. They both give oxygen to the body. B. They both process and transport essential nutrients to the body
C. They both sustain the body structure and give it support and shape.
D. None of the above.
9. What will happen if the respiratory and the circulatory system do not work together?
A. The body will just continue to function automatically.
B. There will be no gas exchange functions so the cells would die.
C. The body would still continue to get the essential nutrients it needs.
D. All of the above.
10. Which of the following correctly describes the distinguishing characteristics between vertebrates and invertebrates?
A. Vertebrates can't fly while the invertebrates can fly.
B. Vertebrates can fly while the invertebrates can't fly,
C. Vertebrates have backbones while the invertebrates don't have backbones.
D. Vertebrates don't have backbones while the invertebrates have backbones. 11. Which form of energy is also referred to as thermal energy?
A. electrical
B. heat
C. mechanical
D. sound
12. The dried fish makers are dependent of the sunshine to produce dried fish. It shows that energy transformed to heat energy is very important.
A. electrical
b.light
C. mechanical
D. sound
13. Marie wants to finish her SLHT so she decided to open her personal computer. What energy transformation occurs?
A. Electrical - Light - Sound
b.electrical - heat - light - sound
C. Electrical - Sound - Light light
d. electrical - light - heat - sound​