Podcast
Questions and Answers
People who study the interaction of people and plants in their environment are __________.
People who study the interaction of people and plants in their environment are __________.
ethnobotanists
The noted Swedish botanist Linnaeus published his book, Species Plantarum, in the early twentieth century.
The noted Swedish botanist Linnaeus published his book, Species Plantarum, in the early twentieth century.
False (B)
Based on the assignment, what subject is being addressed?
Based on the assignment, what subject is being addressed?
taxonomy
Plants can live without humans but humans cannot live without plants.
Plants can live without humans but humans cannot live without plants.
What would be an appropriate hypothesis for studying how a plant species can survive environmental toxins?
What would be an appropriate hypothesis for studying how a plant species can survive environmental toxins?
Structural and functional molecules making up a cell have a skeleton of __________.
Structural and functional molecules making up a cell have a skeleton of __________.
Is oxygen gas (O₂) a molecule?
Is oxygen gas (O₂) a molecule?
What is NOT a form of metabolism?
What is NOT a form of metabolism?
What structure indicates that cells cannot be bacteria?
What structure indicates that cells cannot be bacteria?
Nitrogenous bases refer to specific types of amino acids.
Nitrogenous bases refer to specific types of amino acids.
Which of the pairs is mismatched?
Which of the pairs is mismatched?
Which are primary constituents of cell membranes?
Which are primary constituents of cell membranes?
What is the outer boundary of living protoplasm in a plant cell?
What is the outer boundary of living protoplasm in a plant cell?
During which stage of the cell cycle do chromosomes shorten and thicken?
During which stage of the cell cycle do chromosomes shorten and thicken?
Anthocyanins are water-soluble pigments found in vacuoles.
Anthocyanins are water-soluble pigments found in vacuoles.
What is a type of sclerenchyma cell?
What is a type of sclerenchyma cell?
Which tissue is derived from the apical meristem?
Which tissue is derived from the apical meristem?
Periderm is another name for epidermis.
Periderm is another name for epidermis.
What are the porous cell wall regions of food-conducting cells called?
What are the porous cell wall regions of food-conducting cells called?
Where should you locate an intercalary meristem?
Where should you locate an intercalary meristem?
What should you tell someone about the importance of plants to humans?
What should you tell someone about the importance of plants to humans?
Van Helmont's experiment with a willow branch demonstrated that the soil in which it grew gained weight over time.
Van Helmont's experiment with a willow branch demonstrated that the soil in which it grew gained weight over time.
What would happen to plants if microbes were not present in the soil?
What would happen to plants if microbes were not present in the soil?
Classes of proteins called __________ function as organic catalysts for chemical reactions in cells.
Classes of proteins called __________ function as organic catalysts for chemical reactions in cells.
According to the first law of thermodynamics, light energy is converted into chemical energy plus heat energy. What does this imply?
According to the first law of thermodynamics, light energy is converted into chemical energy plus heat energy. What does this imply?
Which of the following carries a single positive charge?
Which of the following carries a single positive charge?
Which may be found in plant cell vacuoles?
Which may be found in plant cell vacuoles?
Leeuwenhoek is credited with applying the term cell to the boxlike compartments he saw in cork tissue.
Leeuwenhoek is credited with applying the term cell to the boxlike compartments he saw in cork tissue.
What feature can be used to distinguish plant cells from animal cells?
What feature can be used to distinguish plant cells from animal cells?
What is the tissue you are trying to identify if composed of several different types of cells?
What is the tissue you are trying to identify if composed of several different types of cells?
What type of cell has thin primary cell walls, a large vacuole, and is living at maturity?
What type of cell has thin primary cell walls, a large vacuole, and is living at maturity?
Some epidermal cells may be modified as glands.
Some epidermal cells may be modified as glands.
What is the function of collenchyma tissue?
What is the function of collenchyma tissue?
Liming is used to counteract soil acidity.
Liming is used to counteract soil acidity.
Soils in low wet areas tend to contain hardly any organic matter.
Soils in low wet areas tend to contain hardly any organic matter.
What does the abundance of root hairs indicate about the region you are observing?
What does the abundance of root hairs indicate about the region you are observing?
Which is absent in dicot roots?
Which is absent in dicot roots?
Good agricultural soils are granular soils with pore spaces that occupy which of the following percentages?
Good agricultural soils are granular soils with pore spaces that occupy which of the following percentages?
The wood's capacity to withstand decay organisms is referred to as its?
The wood's capacity to withstand decay organisms is referred to as its?
What is older, nonfunctioning xylem called?
What is older, nonfunctioning xylem called?
As woody stems age, lenticels develop directly beneath the?
As woody stems age, lenticels develop directly beneath the?
Primary meristems are produced by cell division in the __________.
Primary meristems are produced by cell division in the __________.
You can determine whether an unknown plant structure is a stem or root by __________.
You can determine whether an unknown plant structure is a stem or root by __________.
The venation that forks repeatedly in leaves is termed?
The venation that forks repeatedly in leaves is termed?
A leaf arrangement in which there are three or more leaves at a node is called __________.
A leaf arrangement in which there are three or more leaves at a node is called __________.
Leaf mesophyll consists primarily of chlorenchyma tissue.
Leaf mesophyll consists primarily of chlorenchyma tissue.
Bracts function as little windows that admit light to the interior of the leaf.
Bracts function as little windows that admit light to the interior of the leaf.
Sugars produced in photosynthesis are 'loaded' into the __________ of the leaf for transport throughout the plant.
Sugars produced in photosynthesis are 'loaded' into the __________ of the leaf for transport throughout the plant.
The fleshy edible part of the strawberry is actually the?
The fleshy edible part of the strawberry is actually the?
To promote greater density of branches and leaves, to prevent flower growth, you would remove the __________.
To promote greater density of branches and leaves, to prevent flower growth, you would remove the __________.
What protects the unopened flower bud?
What protects the unopened flower bud?
Seeds germinate immediately after dormancy is removed regardless of temperature, light environment, or exclusion of oxygen.
Seeds germinate immediately after dormancy is removed regardless of temperature, light environment, or exclusion of oxygen.
Most grasses, trees and 'weeds' are flowering plants that produce ______________ flowers.
Most grasses, trees and 'weeds' are flowering plants that produce ______________ flowers.
If the pollen of one species of orchid will not fit into the stigma of another species of orchid, the species are kept separate by a/an __________ isolating mechanism.
If the pollen of one species of orchid will not fit into the stigma of another species of orchid, the species are kept separate by a/an __________ isolating mechanism.
The type of reproductive isolation that occurs when two species mate, but only produce sterile offspring, is referred to as __________.
The type of reproductive isolation that occurs when two species mate, but only produce sterile offspring, is referred to as __________.
Lamarck is best known for his theory of inheritance of acquired characteristics.
Lamarck is best known for his theory of inheritance of acquired characteristics.
What can play a role in the development of new species from populations with a common ancestry?
What can play a role in the development of new species from populations with a common ancestry?
A person exposed to direct sunlight will produce offspring with darker skin, illustrating the theory of?
A person exposed to direct sunlight will produce offspring with darker skin, illustrating the theory of?
The impact of evolution on agricultural research is demonstrated by management practices that?
The impact of evolution on agricultural research is demonstrated by management practices that?
One aspect of Darwin's theory was that living organisms are unchanging, appearing today exactly as their ancestors have always appeared.
One aspect of Darwin's theory was that living organisms are unchanging, appearing today exactly as their ancestors have always appeared.
Reproductive isolation may occur as a result of __________.
Reproductive isolation may occur as a result of __________.
In evolutionary medicine, researchers apply natural selection to understand and prevent the evolution of?
In evolutionary medicine, researchers apply natural selection to understand and prevent the evolution of?
The creation of modern corn began when humans selectively planted seeds from teosinte plants with desirable traits. This is a result of?
The creation of modern corn began when humans selectively planted seeds from teosinte plants with desirable traits. This is a result of?
In the 1860s, who proposed a three-kingdom system?
In the 1860s, who proposed a three-kingdom system?
All organisms with prokaryotic cells are assigned to Kingdom Fungi.
All organisms with prokaryotic cells are assigned to Kingdom Fungi.
The foundation of any classification system is the species level. Which of these is accepted as a way of classifying species?
The foundation of any classification system is the species level. Which of these is accepted as a way of classifying species?
In Linnaeus' book, Species Plantarum, all known plants were?
In Linnaeus' book, Species Plantarum, all known plants were?
Lichens do not fit easily into any of the classification schemes because a lichen is made up of two organisms that live together.
Lichens do not fit easily into any of the classification schemes because a lichen is made up of two organisms that live together.
The naming of a new cultigen or clade follows?
The naming of a new cultigen or clade follows?
Linnaeus developed the first taxonomic key, a tool that?
Linnaeus developed the first taxonomic key, a tool that?
Why is focusing on common names of plants not the best approach?
Why is focusing on common names of plants not the best approach?
If you identify a plant by matching it to a photograph in a field guide, you are using the?
If you identify a plant by matching it to a photograph in a field guide, you are using the?
In Whittaker's five-kingdom classification, size of the organisms is NOT used as a basis for distinguishing among kingdoms.
In Whittaker's five-kingdom classification, size of the organisms is NOT used as a basis for distinguishing among kingdoms.
Sterile hybrids may reproduce by asexual means.
Sterile hybrids may reproduce by asexual means.
As part of a laboratory assignment, what ideas can be used to demonstrate support for the theory of evolution?
As part of a laboratory assignment, what ideas can be used to demonstrate support for the theory of evolution?
What are the consequences of the emigration of a new plant species into an existing community?
What are the consequences of the emigration of a new plant species into an existing community?
The least complex fossils generally are found in the oldest geological strata.
The least complex fossils generally are found in the oldest geological strata.
Apomixis requires a special form of meiosis.
Apomixis requires a special form of meiosis.
What is the function of homeobox genes?
What is the function of homeobox genes?
What theory did Jean Baptiste Lamarck propose?
What theory did Jean Baptiste Lamarck propose?
The current distribution of eastern and western species of redbud (Cercis sp.) is an example of?
The current distribution of eastern and western species of redbud (Cercis sp.) is an example of?
In a botany study group discussion, most favor the morphological definition of species, while one believes it's artificial. Point out that this is representative of?
In a botany study group discussion, most favor the morphological definition of species, while one believes it's artificial. Point out that this is representative of?
The naming of a new cultigen or clade follows?
The naming of a new cultigen or clade follows?
Although currently the terms division and phylum for plants may be used interchangeably, initially the ICBN required the use of division for plants, phylum for non-plants.
Although currently the terms division and phylum for plants may be used interchangeably, initially the ICBN required the use of division for plants, phylum for non-plants.
When using the nominalistic species concepts, the evolutionary unit of importance is the?
When using the nominalistic species concepts, the evolutionary unit of importance is the?
Lichens do not fit easily into any of the classification schemes because a lichen is made up of two organisms that live together.
Lichens do not fit easily into any of the classification schemes because a lichen is made up of two organisms that live together.
Naming of a newly discovered species is done according to the Binomial System of Nomenclature.
Naming of a newly discovered species is done according to the Binomial System of Nomenclature.
To which kingdom do viruses belong?
To which kingdom do viruses belong?
If you see a plant that you do not recognize in your garden, and you identify the plant by matching it to a photograph in a field guide, you are using the?
If you see a plant that you do not recognize in your garden, and you identify the plant by matching it to a photograph in a field guide, you are using the?
All organisms with prokaryotic cells are assigned to Kingdom Fungi.
All organisms with prokaryotic cells are assigned to Kingdom Fungi.
The rise of water in plants is presently most satisfactorily explained by?
The rise of water in plants is presently most satisfactorily explained by?
Many studies leading to our present knowledge of translocation of food in plants utilized radioactive tracers and?
Many studies leading to our present knowledge of translocation of food in plants utilized radioactive tracers and?
The cohesion of water molecules, their adhesion to the walls of narrow tubes, and the resulting rise of water in the tubes is called?
The cohesion of water molecules, their adhesion to the walls of narrow tubes, and the resulting rise of water in the tubes is called?
If a cell stockpiles a substance through the expenditure of energy, the process involved must be __________.
If a cell stockpiles a substance through the expenditure of energy, the process involved must be __________.
If there is a malfunction in the guard cell regulation of stomata opening, what could be excluded as the cause of the issue?
If there is a malfunction in the guard cell regulation of stomata opening, what could be excluded as the cause of the issue?
In which situation will the rate of transpiration increase, assuming that no other variable changes?
In which situation will the rate of transpiration increase, assuming that no other variable changes?
Photosynthetically active pigments absorb ____________.
Photosynthetically active pigments absorb ____________.
The energy 'currency' of the cell is?
The energy 'currency' of the cell is?
The energy released from a glucose molecule during fermentation is only a fraction of the energy released during aerobic respiration.
The energy released from a glucose molecule during fermentation is only a fraction of the energy released during aerobic respiration.
Study Notes
Ethnobotany and Plant Studies
- Ethnobotanists study the interaction between people and plants within various environments.
- Taxonomy is the classification of plants based on their relationships, crucial for constructing cladograms.
Plant Functionality
- Plants can survive independently of humans, whereas humans rely on plants for sustenance.
- Plants have physiological mechanisms to tolerate and store environmental toxins.
Cellular Basics
- The structural framework of cellular molecules consists of carbon, hydrogen, and oxygen.
- A nucleus distinguishes eukaryotic cells from bacteria.
- Metabolic processes do not include diffusion, which is a physical movement of molecules.
Genetic and Molecular Insights
- Nitrogenous bases are not amino acids but organic compounds in DNA and RNA.
- Ribosomes are not primarily involved in digestion; they are essential for protein synthesis.
Plant Anatomy and Tissues
- Phospholipids are the primary components of cell membranes.
- The plasma membrane serves as the outer boundary in plant cells.
- Chromosomes become shorter and thicker during prophase in the cell cycle.
- Anthocyanins, water-soluble pigments, are found in plant vacuoles.
Plant Cell Types and Functions
- Sclerenchyma cells provide structural support; fibers are a specific type.
- Collenchyma cells offer strength to growing plant organs, while parenchyma cells maintain large vacuoles and thin walls.
- Intercalary meristems are located at the base of grass leaves.
Soil Health and Plant Growth
- Microbes in soil are vital for maintaining a healthy environment for plant growth.
- Soil pH can be adjusted with liming practices, while organic matter is expected in wetland soils.
Evolutionary Concepts and Classification
- Evolutionary adaptations challenge the idea that organisms do not change over time.
- Reproductive isolation can be caused by geographical or temporal factors, affecting species development.
- Lamarck's theory highlights the inheritance of acquired characteristics in evolutionary biology.
Historical Taxonomy
- The classification of organisms has evolved from two kingdoms to more complex systems recognized today.
- Linnaeus’ binomial nomenclature system provides a standardized method to name species, critical for taxonomic clarity.
Plant Transport Mechanisms
- Water movement in plants is best explained by the cohesion-tension theory through capillarity.
- Nutrients and products of photosynthesis can be traced using methods such as radioactive tracers.
Environmental Influences on Growth
- Increased temperature can enhance the rate of transpiration in plants.
- Photosynthetically active pigments are tuned to absorb red and blue light, vital for photosynthesis.
Cell Energy and Functions
- ATP is recognized as the primary energy currency within cells, facilitating various biochemical processes.
- Fermentation yields less energy from glucose compared to aerobic respiration, highlighting the efficiency of oxygen use.
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Description
Test your knowledge on the intricate relationships between people and plants through ethnobotany, plant functionality, and anatomy. This quiz encompasses key concepts from cellular biology and genetics that are essential for understanding plant life and human dependence on it.
