This document contains 10 multiple choice questions about fish tanks and fish hatcheries: 1. The size of fish tanks varies most commonly from 100 m3 to 450 m3. 2. An octagonal tank has 8 sides. 3. Scaling refers to the ratio of distances on a map compared to real distances on the ground. 4. A fish hatchery is a facility for rearing marketable size fish. 5. Common shapes for fish tanks are circular, square, and hexagonal, but not heptagonal.

1. Multiple Choice: Read and answer the following items
carefully. Write the letter of the correct answer.
d. 100 m3 to 450 m3
1. The size of fish tanks varies from __________.
a. 100 m3 to 300 m3
b. 100 m3 to 350 m3
c. 100 m3 to 400 m3
d. 8
2. How many sides does an octagonal tank have?
a. 5 b. 6 c. 7
d. The ratio of the height and length of the proposed area.
3. What does scaling mean?
a. The ratio of the distance on the map or drawing and distance of the ground.
b. The ratio of the height and width of the fish tank area.
c. The ratio of the width and depth of the fish tank area.

2. 4. It is the name of the map in the marginal information.
a. Scale
b. Legend
c. Sheet Number
d. Sheet Name or Title
d. It is a facility intended for rearing marketable size fish.
6. What is a fish hatchery?
.
d. Sheet Name or Title
5. This should be placed at the lower right hand corner of the map
a. Scale
b. Legend
c. Sheet Number
a. It is a facility intended for rearing wild fishes.
b. It is a facility intended for propagation of fish.
c. It is a facility intended for the harvesting of fish.

3. d. Larval rearing tank.
7. It is a concrete rectangular or square tank and usually 1 meter in
depth.
a. Rotifer tank
b. Sand filter tank
c. Microalgal tank
d. heptagonal
8. The following are common shapes of fish tanks except _______.
a. circular
b. square
c. hexagonal
.
d. Sheet Number
9. This should be placed at the center below the map
a. Scale
b. Legenda
c. Edition note
10. It is a tank usually constructed or located outside the hatchery area.
a. Rotifer tank
b. Sand filter tank
c. Micro algal tank
d. Larval rearing tank