Objective 3.03 Agriscience

The propagation method where a plant is separated into smaller parts is:
1. Division.
2. Grafting.
3. Air layering.
4. Tip layering.
A substance applied to cuttings to speed up the development of roots is:
1. Fertilizer.
2. Lime.
3. Steroids.
4. Rooting hormone.
Tissue culture may be used for:
1. Cloning.
2. Disinfecting.
3. Sexual reproduction.
4. Sterilization.
Grafting is:
1. A type of sexual propagation.
2. A type of hybridization.
3. A method by which two plants are propagated.
4. A method of joining two different plants.
Propagation is defined as:
1. The union of an egg and sperm.
2. The process of increasing the number of a species.
3. A cheaper method of propagation than with seeds.
4. The only way to propagate some species and cultivars.
The purpose of a seed coat is to:
1. Store food.
2. Store genetic material.
3. Protect the seed.
4. Filter light.
Pollen is produced in the stamen by the:
1. Pistil.
2. Stigma.
3. Filament.
4. Anther.
The female part of a flower is called the:
1. Pistil.
2. Petal.
3. Anther.
4. Filament.
The three parts of a seed are:
1. Root, stem, and flower.
2. Root, seed coat, and endosperm.
3. An embryo, cotyledon, and new plant.
4. Seed coat, endosperm, and embryo.
Food for the seed is stored in the:
1. Seed coat.
2. Endosperm.
3. Embryo.
4. Radicle.
The purpose of petals in flowers is to:
1. Attract insects for pollination.
2. Support the stamen.
3. Store food for young seeds.
4. Hide the plant from animals.
Sexual reproduction in plants is the propagation of plants by:
1. Flowers.
2. Roots.
3. Seeds.
4. Stems.
The rate at which photosynthesis is carried out depends on the amount of:
1. Nitrogen, phosphorus, and potassium in the water.
2. Oxygen in the atmosphere.
3. Respiration carried on during the daylight hours.
4. Light intensity, temperature, and carbon dioxide.
Jan discovered that plants requiring high light intensity can not be grown well under
greenhouse tables because:
1. Low light intensity hinders food making process of photosynthesis.
2. High light levels damage foliage and cause leaf burn.
3. Plants get too much water from dripping plants.
4. Plants root in the ground instead of in their pots.
Photosynthesis may be affected in enclosed conditions such as a greenhouse because of:
1. Extremely cold temperatures.
2. A shortage of carbon dioxide.
3. A shortage of food.
4. Too much chlorophyll in the plant.
Antonio is concerned that the photosynthesis process is too slow in his plants because
the heat in his greenhouse was cut down by accident. What temperature range will
photosynthesis work best in?
1. 50 to 60 degrees Fahrenheit
2. 60 to 70 degrees Fahrenheit
3. 65 to 85 degrees Fahrenheit
4. 85 to 95 degrees Fahrenheit
John discovers the house plant foliage is yellowing and stunted when compared to
another house plant grown next to a window. What is the likely cause?
1. Low light intensity hindered food production and photosynthesis in the stunted plant
2. The stunted plant was making too much food
3. The stunted plant was too cold since it did not get enough direct sunshine
4. Water was not available for the stunted plant
The part of the plant that is responsible for development of seed is the:
1. Flower.
2. Stem.
3. Leaf.
4. Petiole.
The primary function of the stem is:
1. To produce flowers.
2. To produce fruit.
3. To anchor the plant.
4. To support other plant structures.
The primary function of the leaf is:
1. To support other plant structures.
2. To produce flowers.
3. To produce fruit.
4. To manufacture food for the plant.
The primary function of the root is to:
1. Make sure that the plant will grow.
2. Anchor the plant and supply water and nutrients.
3. Ensure that the plant can be propagated.
4. Hold up the stem of the plant and provide propagation
The major types of root systems are:
1. Cell division and fibrous.
2. Cuttings and root hairs.
3. Fibrous and root cap.
4. Fibrous and taproot.
A procedure of fertilizer application used on row crops where the fertilizer is placed in
bands about 8 inches from the row is known as:
1. Side-dressing.
2. Top-dressing.
3. Broadcasting.
4. Foliar application
Organic fertilizers made from dried and pulverized manure are:
1. Balanced sources of plant nutrients.
2. Caustic to plants and can cause injury.
3. In soluble form and quickly available to plants.
4. Slow acting and long lasting.
The three primary nutrients supplied in a complete fertilizer are:
1. Carbon, hydrogen, and oxygen.
2. Nitrogen, phosphorus, and potassium.
3. Calcium, magnesium, and sulfur.
4. Carbon, nitrogen, and sulfur.
What type of fertilizer is animal manure?
1. Complete
2. Inorganic
3. Lime
4. Organic
Foliar application of fertilizer is applied by:
1. Injecting the fertilizer in the soil below the plant.
2. Placing the fertilizer in a band on either side of the row.
3. Sprinkling the fertilizer on the ground beside the plant.
4. Spraying the fertilizer on the leaves of the plant.
What form must most nutrients become before they can be absorbed by a plant?
1. Air
2. Gas
3. Liquid
4. Solid
Which plant growing media is a mineral mica- type material?
1. Peat moss
2. Perlite
3. Soil
4. Vermiculite
Which plant growing media is a volcanic ash material?
1. Peat moss
2. Perlite
3. Soil
4. Vermiculite
What is applied to lower the pH value of soil?
1. Lime
2. Sulfur
3. Fertilizer
4. Sand
Soil pH affects the availability of:
1. Nutrients in the soil.
2. The structure of the soil.
3. The land class of the soil.
4. Microbes in the soil.
Lime raises the soil pH level so that the soil becomes more:
1. Acidic.
2. Alkaline.
3. Eroded.
4. Porous.
Sulfur is used to lower soil pH so that the soil will become more:
1. Acidic.
2. Alkaline.
3. Eroded.
4. Porous.
If a soil pH level is 6.0 and needs to be raised to 7.0, what amendment is BEST
incorporated into the soil?
1. Sulfur
2. Sodium
3. Lime
4. Magnesium