Direction: MULTIPLE CHOICE: Read the statement carefully. Choose the letter of the best answer and then write it in your answer sheet 1. Which of the following is NOT a mechanical part of the microscope? A. Arm B. base C. body tube D. diaphragm 2. It is also known as the revolving device. A. adjustment knob B. nosepiece C. objective lens 3. It regulates the amount of light passing through the specimen. A. Arm B. base C. body tube D. diaphragm 4. The following are the mechanical parts of the microscope EXCEPT: A. Arm B. eyepiece C. draw tube D. nosepiece 5. He discovered cell. A. A Robert Hooke B. Antoine van Leeuwenhoek C. Marcello Marphigi D. Robert Koch 6. Which of the following differentiates organs from tissues? A. Organs and tissues are made up of cells. C. Organs and tissues make up an organ system B. Organs make up organ systems, cells make up tissues. D. Organs make up organ systems; tissues make up organs 7. The organ systems of plants consist of the root and shoot systems. Why is it important for these organ systems to work together? A. To grow and survive C. To avoid pests and other animals B. To avoid floods and strong winds D. To survive droughts and earthquakes 8. What level of biological organization is made up of a group of similar cells that perform a specific function? A. Organ B. Organism C. System D. Tissue 9. What is formed by a group of cells and tissues that work together to carry out a specific function? A. Cell B. Organism C. Organ D. Organ System 10. At which smallest level of organization in an organism can the characteristics of life be carried out? A. Cell B. Organ C. Organ System D. Tissue For Item number 11, refer to the picture at the side. 11. To which level of biological organization does the picture belong? A. Cell B. Organ C. Organism D. Organism 12. Which of the following units is the highest level of biological system? A. Biosphere B. Community C. Ecosystem D. Population 13. Which of the following statements 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 14. How do you call a group of same species living together? A. Biome B. Community C. Ecosystem D Population 15. Which of the following is a population? A. Mountain stream c. All the frogs in a pond B. Hawks, barred owls, and eagles on Davao D. Blue-tailed skinks (lizards) and snakes around a barn 16. What level of biological organization is being referred to when many organ systems work together? A. Cells B. Organ C. Organism D. Organ System 17. How do you call the collection of organisms that belong to different populations but all live in the same area and interact with one another? A. Biosphere B. Community C. Ecosphere D. Population 18. Which of the following is the simplest level of ecological organization? A. A population B. A community C. An ecosystem D. An Organism or Species 19. Which of the following DOES NOT belong to the group? A. Eyes C. Mouth D. Stomach B. Large Intestine 20. These are tiny organs which have a specific functions inside the cell A. Organelles B. Systems C. Organisms D. Tissues 21. Which part of the cell gives the cell its shape? A. Cell membrane B Cytoplasm C. Cel wall D. Ribosome 22 This organelle functions in cell respiration A. Ribosome B. Mnochondrion C. Lysosome D. Endoplasmic reticulum 23. What is the building blocks of life? A. Cell B. Organ C Metabolism D. Secretion 24. Cell organelles are located within the of the cell A. cell membrane B. lysosome C. cytoplas D. Endoplasmic reticulum 25. The organelle which has attached nibosomes in it is called A Chloroplast B. Rough Endoplasmie Reticulum C. Nucleus D. Smooth Endoplasmic