29 Questions
What is the term used to describe the ability of roots to change their morphology in response to environmental conditions?
Root plasticity
Which type of shoot system includes stems that are typically above ground and have nodes and internodes?
Aerial shoots
In what type of habitat would you expect to find plants with needle-like leaves?
Arctic tundras
Which plant structure may develop into reproductive structures like flowers?
Apical buds
What type of shoot system is favored in lush environments with high light availability?
Tall shoot systems
Which term describes the phenomenon where leaves exhibit changes in response to varying growth conditions such as sunlight and water availability?
Leaf plasticity
What is the primary function of a plant's root system?
Anchor the plant in the substrate
Why do plants require nutrients such as nitrogen, phosphorous, and potassium?
To make their own food via photosynthesis
Which part of a plant is responsible for absorbing water and dissolved nutrients?
Root system
Why is it important for a plant's root and shoot systems to have a high surface area to volume ratio?
To determine the rate of absorption
What is the main function of the shoot system of a plant?
Harvest light and carbon dioxide
Why do many root systems include lateral roots in addition to a taproot?
To absorb water and dissolved nutrients
What does cork cambium primarily generate towards the exterior of a root, trunk, or branch?
Cork
Which type of growth is only possible for species with cambia?
Secondary growth
What is bark mainly composed of?
Vascular cambium and secondary phloem
Which part of the tree accumulates compounds like resins and gums for protective functions?
Heartwood
What is the primary function of lenticels in trees?
Gas exchange
What is the primary function of Sclereids?
Structural support
What type of cell walls do Secondary cell walls contain?
Cellulose and lignin
Which tissues make up the Vascular Tissue System?
Xylem and Phloem
What is the function of Tracheids in the Xylem?
Conduct water
What happens to Sieve-tube elements after maturing?
They remain alive
What is the main function of Sieve-tube elements in the Phloem?
Conducting sugars
What is the main function of stomata in plants?
Regulate gas exchange and water loss
Which type of plant tissue is responsible for most of the photosynthesis and carbohydrate storage in plants?
Parenchyma
What is the primary function of collenchyma tissue in plants?
Provide flexible structural support for growing parts
What characteristic distinguishes parenchyma cells from collenchyma cells in plants?
Ability to retain totipotency
What is the main function of trichomes on plant surfaces?
Limit transpiration and reduce water loss
What distinguishes sclerenchyma tissue from other plant tissues?
Cells that are alive at functional maturity
Learn about the life cycle of a plant, from using light energy for carbohydrate synthesis to extending roots and shoots. Explore how plants make their own food through photosynthesis and handle stresses in their environment.
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