Tissue/Genetics Quiz

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12 Δεκ 2012 (πριν από 4 χρόνια και 8 μήνες)

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Chapter 2 Quiz

Copyright © 2007 by Thomson Nelson
Chapter 2 Blackline Master 2.0
207

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 photo
synthesis

__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
___

tiss
ue.

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 fun
ction 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 cm
2
(
c) 24 cm
2

(b) 8 cm
2
(d) 32 cm
2

Chapter 2 Quiz (continued)

208
Chapter 2 Blackline Master 2.0
Copyright © 2007 by Thomson Nelson

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.

(c) Many small cells are more active.

(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. Th
e 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
sid
e

of a cube increases.

_____
surface area to volume ration decreases as the cube increase
____________

________________________________________________________________

________________________________________________________________

(c) How does this explain

why cells divide?

___
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 cm
2
) Volume (cm
3
) Ratio of surface area to volume

1 1 6:1

2 24

4 64

6 216