Alyssa 2024 Review

The ideal water-to-air ratio in the pores of the soils is

• 25% air 75% water

• 60% air 40% water

• 80%air to 20% water

• 50% air to 50% water

Root growth bio stimulants do all of the following except:

• Increase respiration

• Improve water uptake

• Increase fibrous roots

• improve nutrient uptake

Ridge and Furrow greenhouses by definition, are

• built as a stand a lone greenhouse

• connected to one another along the length

• built as a lean to greenhouse

• Greenhouses with an uneven span design

Most plants grow best at pH of

• 5.4 - 6.0

• 4.5-5.8

• 6.2-6.8

• 7.0

Which of these LD numbers would be the most toxic pesticide?

• LD 50 number of 855

• LD 50 number of 51

• LD 50 number of 411

• LD 50 number of 126

The term "forcing" in greenhouse plant production is:

• getting a seed to germinate and grow

• the use of fans to circulate air in a greenhouse

• growth regulators to control plant height

• practice to get bulbs to grow and produce flowers

Which of these describes edema in geraniums?

• water soaked blisters generally on the underside of the leaf

• swelling of the stem of the plant

• no visual effects to the foliage of the plant

• root disorder causing the demise of the plant

Which of the following is NOT a part of the pistil of the plant?

• Style

• Ovary

• stigma

• filament

The waxy coating, called the ______, serves to prevent excessive water loss from the leaf tissues.

• axil

• blade

• cuticle

• vein

Which fertilizer analysis below is NOT a complete fertilizer.

• 16-4-8

• 10-0-10

• 5-10-10

• 17-17-17