Quiz bowl Plant

Which nutrient is most readily lost from the soil and is applied according to general recommendations for plant needs rather than soil test results?

• Nitrogen
• Calcium
• Phosphorus
• Magnesium

An organism capable of causing a disease is called a(n):

• enzyme
• pathogen
• systemic
• carcinogen

A fertilizer with the analysis of 5-10-15 contains ____ % magnesium

• 5
• 15
• 10
• the % magnesium cannot be determined from the information given

A soil that contains nearly equal amounts of sand, silt, and clay is called a(n) ______

• sandy, silty, clay soil
• silty clay
• loam
• equilaterally textured soil

A __________ plant that produces male flowers on one plant and female flower parts on another plant.

• staminate
• diecious
• monecious
• gymnosperm

This nutrient is generally not tested for in soil tests. Instead, standard recommendations are given for its rate of application, depending on the plants or crop to be grown.

• nitrogen
• potassium
• phosphorus
• magnesium

Iron deficiency in plants is exhibited by:

• yellowing between the leaf veins while the veins remain green.
• pathogenic materials forming in the leaves
• browning leaf margins
• leaves with a scorched appearance.

The process of converting food energy into energy for plant growth is called:

• respiration
• acclimatization
• photosynthesis
• transpiration

Most plants grow best in soil with a pH range of _______.

• 3.5 to 5
• 6 to 6.5
• 4 to 5
• 7 to 8

The term organic means:

• a material derived from plant or animal materials
• safer than non-organic products
• better than non-organic products
• all of these