1. BIOLOGY 120 LAB MINI PRACTICE EXAM #1

2. Instructions There are 13 slides with two questions each.
You will have one minute per slide
Write your answers down.
You can check your answers on the last slide
CLICK HERE TO BEGIN

3. A. What is the function of the iris diaphragm?
B. Identify the microscope part labeled “B”. 1.
Identify B

4. B 2. Are these eukaryotic or prokaryotic cells seen below?
Identify the cell part at the tip of the arrows. B

5. 3. What is the name of this aquatic plant that we have used in lab?
What is the function of the structures labeled “B”. B

6. A B 4. What phase of the cell cycle is this?
Is this a plant or animal cell dividing? B A

7. B 1 3 2 5. Which of the following is the Amoeba (1, 2, or 3)?
Identify these structures (structured labeled “B”). B B 1 3 2

8. 6.
Are these cells in an isotonic, hypotonic, or hypertonic solution?
What is the term for a membrane that lets some things through but not other things? A

9. 7.
What is the name of the SUBSTRATE we used in this lab experiment?
B. Name one characteristic of an enzyme.

10. 8.
Enzymes are:
a. carbohydrates
b. proteins
c. nucleic acids
d. lipids
B. The process the creates a proteins form mRNA is:
a. replication
b. transcription
c. translation
d. cytokinesis

11. Does this plant have vascular tissue?
Why does this plant need to live near water/moisture? 9.
A & B

12. 10.
these mosses sporophytes or a gametophytes?
B. Why do these plant need to be small?

13. A 11. Identify the structures at the arrow?
B Identify the organism seen in the photo to the right. A A

14. Identify the structure
What is the function of this structure?
12. A B

15. Which group of plants studied in lab does this come from?
State a function of fruit in Angiosperms.
13. A B

16. The next slide has the answers
CLICK HERE TO SEE ANSWERS

17. ANSWERS 7a. hydrogen peroxide 1a. Control light intensity 7b. varies
8a. proteins
8b. translation
9a. yes
9b. flagellated/swimming sperm
10a. gametophytes
10b no vascular tissue/no roots
11a. air cysts
11b. brown algae
12a. petals
12b. protection
13a. gymnosperms
13b. dispersal (or protection) of the seed
1a. Control light intensity
1b. Stage
2a. Eukaryotic
2b. Plasma Membrane
3a. Elodea
3b. Photosynthesis
4a. Metaphase
4b Animals
5a 1.
5b Cilia
6a Hypertonic
6b Selectively permeable