A. MULTIPLE CHOICE: Read the questions carefully. Encircle the letter that corresponds to the correct answer.
1. The nucleus in an animal cell is _______.
a. the major site of protein synthesis
b. physically separated from the nucleolus
c. the sole site of chromosome reproduction
d. none of the above
2. You are told that the cells on a microscope slide are either plant, animal, or bacterial. You look at them through a microscope and observe cell walls and member-bound organelles. You conclude that the cell could be _______.
a. Bacteria b. plant cells c. animal cells d. either plant or bacterial cell
3. Mitochondria function for _______.
a. cell replication c. protein synthesis
b. energy production d. transport of molecules
4. The production of proteins happens in the _______.
a. Golgi bodies c. Mitochondria
b. Lysosomes d. Rough Endoplasmic Reticulum
5. Chloroplasts are _______.
a. needed in photosynthesis c. vestigial structures in animal cells
b. energy production d. transport of molecules
6. Which of the following lists of structures can be found in both plant and animal cell?
a. mitochondria, cytoplasm, cell wall, vacuole, cell membrane
b. cell membrane, nucleus, ribosomes, Golgi bodies, cytoplasm
c. cell wall, mitochondria, cytoplasm, chloroplast, cell membrane
d. vacuole, lysosome, centriole, cell wall, cell membrane
7. The main function of the cell wall is to _______.
a. support and protect the cell c. help the cell move
b. store DNA d. direct the activities
8. Which of the following statements is always true?
a. All cells have a cell wall.
b. All cells contain a nucleus.
c. All cells contain a chloroplast.
d. All cells have a cell membrane.
9. If the chloroplasts of a plant cell are damaged, which will it be unable to do?
a. Protect the cell c. Excrete waste materials.
b. Make food for the cell d. Give instruction for the cell to reproduce.
10. Which of the following is not found inside the cell?
a. nucleus b. cilia c. Golgi apparatus d. endoplasmic reticulum
11. Which answer correctly identifies the level of cell organization in a dogs body from simple to most complex?
a. bone cell, bone tissue, femur (thigh bone), skeleton, dog
b. dog, skeleton, femur, bone tissue, bone cell
c. skeleton, bone tissue, bone cell, dog, femur
d. bone tissue, bone cell, femur, skeleton, dog
12. The brain is an example of which level of organization in the body?
a. cell b. tissue c. organ system d. organism
13. A nerve is an example of which level of organization in the body?
a. cell b. tissue c. organ system d. organism
14. Why does the stomach need to be made of muscle tissue?
a. So liquids do not pool in the intestine.
b. To give the body strength in the middle.
c. So, it can churn the food and help break it down.
d. To help the heart pump blood containing food to the body.
15. Which of the following differentiates organs from tissues?
a. Organs and tissues are made up of cells.
b. Tissues make up organs; cells make up tissues.
c. Organs make up tissues; tissues make up organs.
d. Organs and tissues make up an organ system.
16. In an organism, what do you call the system that is composed of a group of organs that cooperate in order to carry out a particular function?
a. Tissue b. Organ c. Organism d. Organ system
17. Animals, plants, fungi, and algae are examples of
a. Tissue b. Cell c. Organisms d. Organs
18. It is a life-supporting stratum of the earth’s surface, covering a few kilometers into the atmosphere to the deep-sea vents of the ocean.
a. Population b. Biosphere c. Community d. Ecosystem
