1. This type of irrigation is very expensive because the water source is under the ground.

a. Sub-irrigation
b. trickle irrigation
c. sprinkler irrigation
d. furrow irrigation
2. It is an artificial fertilizer made from chemicals (liquid, soluble, and granular form).

a. organic fertilizer
b. Inorganic fertilizer
c. humus
d. vermi
3. It is a natural fertilizer from decayed matter, animals, and other natural resources.

a. green manure
b. inorganic fertilizer
c. humus
d. organic fertilizer
4. It is a special water source designed to discharge water close to the plant, wetting only that area and leaving the rest dry.

a. Sub-irrigation
b. trickle irrigation
c. sprinkler irrigation
d. furrow irrigation
5. _______is any substance added to the soil that promotes the healthy growth of the plants.

a. pesticides
b. chemicals
c. fertilizer
d. water
6. ________the land is practiced to help promote the growth of roots and improve aeration for fast absorption of nutrients by the soil.

a. watering
b. cultivating
c. layering
d. Contouring
7. The following are some of the advantages and benefits of using pesticides except:

a. Insect pest life cycles will spread.
b. Infestation will be lessened.
c. It prevents the spread of plant diseases.
d. The growth of the plant will continue to progress.​