Match Each Word with the Correct Definition

Chapter 2 Quiz

Blackline Master 2.0

Name: ______Date: ______

Part A: Matching

Match each word with the correct definition.

(a) animal (b) plant (c) protist (d) bacteria (e) fungus

_D___ 1.extremely tiny cells, with no nucleus and no mitochondria

__C 2.a group of unicellular organisms with plant- and animal-like characteristics

___B_ 3.multicellular organism that undergoes photosynthesis

__E__ 4.plant-like but without chlorophyll

__A_ 5.multicellular organisms that rely on other organisms for food

Part B: Completion

Complete each sentence.

6. A group of broad and flat cells that cover and protect is called ___epithelial___

tissue.

7. Tiny hair-like structures called __cilia______beat in unison to

move a paramecium.

8. Lung cells are very thin to allow for the exchange of _gas/carbon dioxide/oxygen______between

the air and the blood.

9. Fat cells have large _____vacuoles______that store extra nutrients that

have been converted to fat.

Part C: Multiple Choice

Circle the letter beside the answer that best completes the statement or answers the

question.

10. A group of cells that are similar in shape and function is called a(n)

(a) tissue (c) cell system

(b) organ (d) organ system

11. Which of the following contain no nucleus, no mitochondria, and no ribosomes?

(a) paramecia (c) bacteria

(b) diatoms (d) amoebae

12. A cube with sides of 2 cm each has a total surface area of

(a) 4 cm2 (c) 24 cm2

(b) 8 cm2 (d) 32 cm2

Chapter 2 Quiz (continued)

Blackline Master 2.0 (continued)

Name: ______Date: ______

13. Why are many small cells more efficient at exchanging nutrients and waste than one

large cell?

(a) Many small cells have more mitochondria.

(b) Many small cells have more surface area.

(d) Many small cells have more nuclei.

14. Tissue that conducts electrical signals is

(a) blood tissue (b) fat tissue (c) nerve tissue (d) muscle tissue

15. Which disease is caused by a fungus?

(a) pneumonia (b) malaria (c) cold sores (d) athlete’s foot

16. The exchange or modification of genetic material in cells is called

(a) reproduction (b) genetic engineering (c) selective breeding (d) cell division

Part D: Short Answer

Use sentences to answer the following questions.

17. Explain why unicellular organisms are often called micro-organisms.

_____can only see it under a microscope______

18. (a) Complete the following table and answer the questions below.

(b) Explain what happens to the surface area to volume ratio as the length of the side

of a cube increases.

_____surface area to volume ration decreases as the cube increase______

______

___as the surface area volume ratio decreases nutrients cannot diffuse to all parts of the cell and waste builds up. Cells divide into smaller cells to be more efficient

______

Cube sides (cm) Surface area (6 cm2) Volume (cm3) Ratio of surface area to volume

1 1 6:1

2 24

4 64

6 216