Parts of Plants
The first structure to emerge from a germinating seed, and it becomes the primary root system for the plant is?
Seminal root
Which of the following is NOT one of the five kingdoms of living organisms?
a)Animalia
b)Chlorophyta
c)Fungi
d)Prokaryotae
Chlorophyta
The two essential gases in the air for plant growth are:
Carbon Dioxide and Oxygen
The planting, harvesting, processing, and marketing of fruit and nuts is known as:
pomology
What does the function of the xylem?
Transports water from the soil up through the plant
________ is a taxonomic class of plants that produce seeds that are not enclosed in an ovary.
Gymnosperms
What is the main problem with overwatering plants?
Flooded soils prevent oxygen from being absorbed through the roots.
Oranges and grapefruit are classified as:
citrus fruits
What is the location where a leaf attaches to the stem of the plant?
Node
Biennials complete their life cycle in two years. An example of a biennial is:
carrots
What is the optimal pH of the soil for plant growth?
5.8-6.2
The two main categories of ornamental horticulture are:
Floriculture and landscape horticulture
What are characteristics of the leaves of dicotyledon plants?
Broad, flattened leaf blade connected to the stem
A __________ is an embryonic seed leaf that stores food in the form of starch and protein for use by the embryo.
Cotyledon
Which visible colors of light have the greatest impact on plant growth?
Red and Blue
A _____ is a place that specializes in starting plants and growing them until they are ready to be transplanted into landscapes.
nursery
A cactus plant has a very thick, waxy __________ which covers the outer epidermal surface of the leaf preventing water loss.
Cuticle
Which of the following plants is considered a woody perennial, which produces secondary growth year after year?
a)Ferns
b)Grapes
c)Mint
d)Strawberries
Grapes
Which of the following is an example of a day-neutral plant, which is unaffected by the photoperiod?
a)Corn
b)Lettuce
c)Soybeans
d)Tomatoes
Corn
_____ are botanical collections comprised exclusively of trees used in part for scientific study.
Arboretums