Vascular Plant Structure
Unlike animal cells, this unique structure allows for intercellular exchange of water, nutrients, and signalling molecules in plant cells.
What is "plasmodesmata"?
Resource allocation can be an expensive process for many lifeforms. The transportation of H2O from the roots to the shoots of the plant is powered via ______
What is "transpiration"?
The three essential micro-nutrients required for plants to function are:
____________ for DNA, RNA & Chlorophyll composition, ____________ also for DNA, and RNA, but phospholipids and ATP composition as well, and finally ____________ which helps maintain cellular turgidity.
What is
"Nitrogen, Phosphorous, Potassium"
Stamens produce gametophytes in ______ plant organs, whereas Carpels produce gametophytes in ______ plant organs.
What is "male";"female"?
When hit by far red light, phytochromes:
a) Change shape to red light form
b) Change shape to far red light form
c) Trigger flowering in long-day plants
d) Trigger flowering in long-night plants
What is "a)"?
These specialized roots are responsible for facilitating gas exchange with the atmosphere in some plants.
What are "Pneumatophores"?
In a plant, sugars are always transported by _______ pressure; water is always transported by _______ pressure.
what is "Positive;Negative"?
As a plant grows, the vast majority of it's increase in biomass comes from this.
What is "atmospheric carbon"?
Which part of the female plant anatomy develops into the flesh of a fruit once fertilized.
What is "the ovary (wall)".
When touched, some plants will begin to grow and warp in the direction of physical stimuli. This is an example of ______.
What is "thigmatropism"?
There are 3 total tissue systems in plants:
The dermal tissue system, the vascular tissue system, and the _________ tissue system.
What is 'ground'?
Consider a well watered plant on a sunny day. The plant has A) Leaves, B) Roots, and the environment it is in has C) Soil, and D) Atmosphere. The order of these locations from lowest to highest water potential is ______
What is "D,A,B,C" or "Atmosphere, Leaves, Soil, Roots"?
These three elements make up 96% of the dry-mass of any plant.
What is "Oxygen, Hydrogen, and Carbon"
This plant hormone inhibits germination, and promotes the storage of resources.
What is "ABA (abscisic acid)"?
Constans (CO) are a transcription factor that, when triggered by the appropriate light patterns, will promote the production of this plant hormone.
What is "Florigen"?
Sclerenchyma cells are essential for providing strong, rigid support to plants as they mature. In younger plant tissues however, their structural needs require more plasticity, and flexibility as they continue to grow. To meet this need, plants contain a second structural cell type known as _______.
What is "Collenchyma"?
Throughout the symplastic, apoplastic, and transmembrane routes, water can find its way into the in the roots of plants. However, the apoplastic route experiences this roadblock before it can enter the vascular cylinder.
What is "The casparian strip"?
In plants, the deterioration of older leaves are a sign of deficiencies mobile nutrients such as potassium and nitrogen. However in non-mobile nutrients, these deficiencies mostly impact younger leaves.
One of these non-mobile nutrients are _________.
What is "Iron" or "Calcium"?
Through multiple subdivision of meiosis and mitosis, the ovule develops multiple discrete haploid cells as it awaits fertilization. Before pollination, this many haploid nuclei are present inside the ovary.
What is 8 haploid nuclei?
This group of plant hormones stimulates fruit ripening, tendril coiling, and floral development among several other functions.
What is "Jasmonates"?
In 2005, you (with parental supervision) drove a nail into an evergreen tree. You come back in 2025, and check on the nail. Where is the nail now?
What is "Nowhere to be found as the area was deforested in 2010 due to unchecked industrial expansion and urbanization."?
*"the same height", or "deeper in the tree" are also acceptable answers.
Phloem cells facilitate transport of sucrose up and down the length of the plant from source cells to sink cells, however seasonally, sink and source cells can switch.
At the start of Winter, the roots are usually _____ cells; in the start of Spring, the leaves are usually _____ cells.
What is "sink; sink"?
In the roots of a plant, hydrogen molecules are jettisoned into the surrounding soil, as a part of a process known as 'cation exchange'. In return, these two nutrients are absorbed into the roots from the soil.
What is "Magnesium" & "Calcium"?
Dicotic seeds contain two cotyledons, and monocots only contain one. A monocot's cotyledon is also referred to as this.
What is "Scutellum"?
Abscission of fruit and leaves is a sign of a deficiency of this hormone.
What is "Auxin"