3. Which of the following statement is TRUE?
A. Groups of organs working together are called cells
B. Groups of cells working together are called tissues
C. Groups of organs working together are called organisms
D. Groups of tissues working together are called organ systems

4. Plants also have an organ system. Which plant organ DOES NOT belong to the shoot system? A. Flower B. Leaf C. Root D. Stem

6. How do plants benefit from their root system? A. They produce flowers
B. They manufacture food C. They provide strength and support D. They obtain water and nutrients from the soil

7. The kidneys functions are to filter and to remove the waste from the blood which is harmful to the body. What might happen to the person if it fails function?
A. The kidney will be damaged B. The cells of the kidney will be affected C. There is no significant effect to the person D. The person will suffer and need to undergo dialysis treatment

8. Angelo's father was hospitalized due to chest pain and difficulty of breathing. Laboratory examination revealed increased cholesterol in blood. Which organ system is most affected? A. Circulatory System B. Digestive System C. Excretory System D. Nervous System

9. James loves to eat junk food and enjoys adding fish sauce (patis) and soy sauce in his meals. One day, he was complaining of difficulty in urinating accompanied by severe pain in the side and back below the ribs. Which organ has a problem in this situation? A. heart B. Kidney C. lung D. stomach

10. Smoking causes diseases in the respiratory system which may damage the organs and tissues. What is the effect of diseased cells on the higher levels of organization in an organism? A. Diseased cells do not affect the other parts of an organism B. Smoking affects only the higher levels of organization that they make up, the tissues
C. Smoking affects only certain kinds of organs and does not affect any other kind of organ in the human body D. Diseased cells damage the higher levels of organization they make up: tissues, organ, organ systems, and eventually, the whole organism.

13. One organ system includes the kidney, bladder, and urethra. What is the purpose of this system? A. to produce offspring B. to remove waste from the body C. to transport materials from cells D. to protect the body from diseases

14. What is formed by a group of cells and tissues that work together to carry out a specific function? A. Organ B. Organelle C. Organism D. Organ System

15. What level of organization is made up of a group of similar cells that perform a specific function? A. Cells B. Organ D. Organ System D. Tissues