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Unit 3 HW Botany
Terms in this set (35)
The parts of the flower are attached in whorls to the enlarged ________ at the tip of the flowering stalk.
Flowers are dull, have very small or no petals, have well-exposed anthers and stigmas, most have feathery stigmas, and are odorless.
Flowers are blue or yellow, have showy petals with markings or nectar guides visible under UV light and have a sweet odor.
Flowers are dull red or brown, produce no nectar, and have a rotten meat odor.
Flowers are large, have long floral tubes to hold copious amount of nectar, open only at night, are white, and have a fruit-like or musky odor.
A flower cluster is known as a/an
Cross-pollination is when pollination
occurs between flowers of two different plants of the same species.
Which of the following correctly describe the process of fertilization?
the joining of gametes.
Which of the following are gametes?
Egg and sperm cell.
When the stamens, sepals, and petals of a flower attach to the receptacle below the ovary, the ovary is said to be in a/an______________ position. In a floral formula, we use "G 1 " to symbolize such position.
The function of the anther is to
A perfect flower has
both male and female reproductive parts.
Composed of fused petals creating a deep u-shaped vase. Flowers have radial symmetry.
Composed of fused petals creating two lips surrounding a deep throat. Flowers exhibit bilateral symmetry.
Composed of a large petal at the top called a standard and two smaller overlapping lower petals called the keel. Flowers have bilateral symmetry.
The name used for the top portion of the pistil that receives and recognizes pollen of the appropriate species or genotype is:
Multiple flowers forming a flat inflorescence in which the youngest flowers attached to the base of the inflorescence.
The capitulum is composed of ray flowers, disk flowers or a combination of both.
Which of the following describes correctly a flower with a floral formula ↑ K3 C(3) A6 G 3 ?
a flower that is zygomorphically symmetrical, has 3 fused petals, 3 sepals, and 6 stamens.
A flower with a floral formula ↑ K3 C(3) A6 G 3 is from a eudicot plant.
Tomatoes and eggplants are examples of what type of fruit?
The seed leaves of an embryonic plant are called
In this type of germination, the hypocotyl grows and bends to create an arch dragging the cotyledons out of the soil as it elongates.
This process occurs when the seed is exposed to extreme stress such as high temperatures, drought or a lack of oxygen and will not germinate.
Which of the following events is NOT associated with seed germination?
Synthesis of food reserves
Why are cotyledons important for the young seedling?
They contain stored nutrients
Simple fleshy fruits include
Which of the following statements is TRUE about simple and aggregate fruits?
Both are the product of a single flower
The process of overcoming physical dormancy including damaging the seed coat is called
Berries are fleshy and juicy.
Eaten by animals
Dandelion fruits have feathery attachments.
Green bean fruits when dry will split open along the suture.
Cocklebur fruits have hooks on the outer surface.
Attached to animal fur
The embryonic root is also referred to as
Which of these statement(s) is/are true?
Imbibition precedes germination.
A monocot embryo is nourished by a large endosperm.
At the start of germination, the radicle grows through the seed coat.
Aerobic respiration begins when the seed coat is ruptured.
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