Directions: Read each item carefully. Write only the lett each number
1 Which two parts of the light microscope magnify the image of an object?
a eyepiece and mirror c objectives and mirror b. eyepiece and objectives d. objectives and diaphragm
2. What is the correct way of carrying a microscope?
a. Hold the arm by grasping with one hand b. Hold the base by grasping with two hands. c. Hold the arm by grasping with one hand and the stage with the other hand. d. Hold the arm by grasping it with one hand and support the base with the other hand.
3. Which of the following can be observed using the light microscope?
a. acacia bark c. tip of gumamela leaf b. five peso coin d. piece of stone
4. Why it is necessary for the specimen to be observed under the microscope must be thin?
a. So that the image will be clearer. b. So that the image would be bigger. c. So that the light could pass through the specimen. d. So that the high magnification objective can be used.
5. Which should be used to observed bacteria?
a. 60 x objective with immersion oil and 10 x eyepiece. b. 97 x objective with immersion oil and 5 x objective c. 3 x objective and a 10 x eyepiece. d. 60 x objective and 15 x eyepiece.
6. The heart pumps blood that carries oxygen and nutrients to the different parts of the body. To which organ system does the heart belong?
a circulatory b. digestive c. excretory d. reproductive
7. Each part of organ system plays a specific function. Which of the following structures does not match its function?
a. eyes : sight c. heart : circulation b. kidneys : respiration d. stomach : digestive
8. Which of the following differentiates organs from tissues?
a. Organs make up tissues : tissues make up organs. b. Organs and tissues make up an organ system. c. Organs and tissues are made up of cells. d. Tissues make up organs : cells make up tissues.
9. At which smallest level of organization in an organism can the characteristics of life be carried out?
