WorksheetsUnit 4 Quiz
Total questions: 20
Worksheet time: 13mins
If the soil is too acidic, what do you add?
Vinegar Water
Agricultural Lime
Slow acting elemental sulfur
Pine Needles
A LIGHTWEIGHT PEA-SIZED ROCK THAT IS WHITE AND COMES FROM VOLCANOES.
PERLITE
VERMICULITE
COCONUT COIR
PEAT MOSS
Angel selects a fertilizer that will promote good green growth for the leaves and stems of her houseplants. The fertilizer will most likely contain the primary element:
chlorine
copper
nitrogen
zinc
Which group includes micronutrients?
Carbon, hydrogen, and oxygen
Copper, manganese, and zinc
Nitrogen, phosphorus, and potassium
Sulfur, magnesium, and water
The three primary nutrients necessary for plant growth are:
boron, calcium, and iron.
chlorine, sulfur, and zinc.
magnesium, manganese, and molybdenum.
nitrogen, phosphorus, and potassium.
A common symptom of a plant that has a phosphorus deficiency is:
cupped or curled leaf tips.
a purplish color in older leaves.
rotting fruit on young plants.
yellow leaves with green veins.
Which of the following is not an advantage of using soilless media?
The mix is uniform
The mix is sterile
The mix is lacking micronutrients
The mix has good water retention
Which soilless media component is dehydrated remains of acid bog plants?
Perlite
Sphagnum moss
Peat Moss
Vermiculite
A very light weight material that has a neutral pH and has a very high water holding capacity describes which type of material?
Perlite
Sphagnum moss
Peat Moss
Vermiculite
Which of the following is not found in soilless media?
Perlite
Compost
Clay
Tree Bark
Which of the following statements about the importance of water is NOT true.
Water makes up 90 percent of the weight of plants
Most water in plants is found in the xylem and phloem
Water transports nutrients
Water is needed for photosythesis
What are the macroelements
Calcium
Nitrogen
Phosphorus
Potassium
Nitrogen benefits plants in the following ways
encourages aboveground vegetative growth
gives a dark green color to leaves
encourages cell division
helps form seeds ad flowers
Too much nitrogen can
lower the plants resistance to disease
weaken the stem due to long growth
causes purple color on leaves
lower the quality of the fruit
If a plant does not have enough nitrogen,
the plant leaves turn purple
the plant leaves turn yellow
the plant cannot photosynthesize
the plant cannot transpire
Which of the following is NOT true of Phosphorus
Not easily leached from the soil
encourages cell division
enables flowers and seeds to form
none of the above
If a plant does not have enough phosphorus,
the leaves turn yellow
the leaves turn purple
the leaves appear scorched on the edges
the leaves turn brown
What plant Hardiness Zone do we live in?
2
4
8
9
Which of the following is NOT an example of organic fertilizers?
Epsom Salt
Miracle Grow
Seaweed
Fish extract
What does lime do to pH?
Raises
Lowers
Does not change it
None of the above
