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AGRICULTURAL SCIENCE

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

What is a Fish?

a)

plant that grows partially or wholly in water

b)

aquatic invertebrate with a shell

c)

aquatic vertebra with fins

d)

aquatic arthropods with modified appendages

2.

An example of a fish is

a)

Shrimp

b)

Salmon

c)

Lobster

d)

Jellyfish

3.

An area where freshwater and saltwater meet is known as

a)

Saltwater

b)

Estuary

c)

Freshwater

d)

Ocean

4.

What is the definition of aquaculture?

a)

Form of aquaculture that includes cultivation, propagation and marketing

b)

Plants that grow partially or wholly in water

c)

The raising and harvesting of fresh and saltwater plants and animals

d)

Capturing wild or shellfish including commercial and sport fishing

5.

The following are not uses of fish except

a)

Ladden crude

b)

Isoglass

c)

Salt

d)

Capsule

6.

Which is an example of an area of saltwater?

a)

River

b)

Ocean

c)

Lake

d)

Pond

7.

An example of an aquatic plant is:

a)

Shrimp

b)

Water hyacinth

c)

Lobster

d)

Crayfish

8.

The zone of the ocean and water body that is between bottom of the sea and the surface is known as

a)

Coral

b)

Reef

c)

Pelagic

d)

Demersal

9.

Fins are used for

a)

Breathing

b)

Locomotion

c)

Feeding

d)

Vision

10.

The catching and growing of fish and other aquatic food organisms in water is termed

a)

Fishing

b)

Fishes

c)

Feeding

d)

Fishery

11.

_____________ fish live close to the floor of the sea or a lake

a)

Pelagic

b)

Trawling

c)

Demersal

d)

Line

12.

Gills are used for

a)

Breathing

b)

Locomotion

c)

Feeding

d)

Vision

13.

The following are fishes except

a)

Tilapia

b)

Shark

c)

Whale

d)

Salmon

14.

The following are salt water fishes except

a)

Sting Ray

b)

Sawfish

c)

Shark

d)

Tilapia

15.

An example of fish found in estuaries is

a)

sting ray

b)

sawfish

c)

shark

d)

mudfish

16.

The following are bony class of fishes except

a)

Tilapia

b)

Sawfish

c)

Koi fish

d)

Catfish

17.

The following are factors of fish pond establishment except

a)

Topography

b)

Nature of the soil

c)

Type of food

d)

Vegetation

18.

The following are activities that should be carried out to establish a fish pond except

a)

land survey

b)

site selection

c)

de - silting

d)

liming

19.

These are types of ponds except

a)

Vat

b)

Earthen

c)

Concrete

d)

Whart

20.

These are ways of maintaining fish ponds except

a)

de- weeding

b)

regular harvesting

c)

acidification

d)

oxygen management