Title: Final Exam
Course: HRT 125 Plants and Society > Section: HRT 125 Plants and Society

Q: The Angiosperms are NOT _____.
- characterized by flowers and fruits
- the most economically important members of the Plant Kingdom
- wheat, rice and corn
- pine trees and sea weed
A: pine trees and sea weed

Q: Algae blooms do NOT _____.
- show an increase in recent years
- relate to agricultural runoff
- produce toxins that kill fish and humans
- show colors especially in the fall
- live only in marine habitats
A: live only in marine habitats

Q: Fungi _____.
- are neither plants nor animals
- are simple plants
- use photosynthesis to create food
- can easily be used for food when found in the woods
A: are neither plants nor animals

Q: Xylem _____.
- carries water and raw materials up to the leaves
- carries sugars and proteins down from the leaves
- is always composed of living cells
- none of the above
A: carries water and raw materials up to the leaves

Q: A fruit _____.
- is the result of sexual reproduction
- is a ripened ovary
- can contain one or more seeds
- all of the above
A: all of the above

Q: Chloroplasts _____.
- are the sites of photosynthesis in plants
- contain pigments such as carotenoids that give some structures bright colors
- become visible in fall as the chromoplasts shrink
- are the "powerhouses" of the cell
A: are the sites of photosynthesis in plants

Q: Early sites of agriculture include all but _____.
- the Fertile Crescent
- the Nile River
- the New World – South American Highlands, Mesoamerica and Eastern North America
- the Far East – Yangtze and Yellow River Basin, New Guinea Highlands
A: the Nile River

Q: The New Guinea Highlands showed signs of early agriculture with _____.
- deforestation
- posthole and stakehole remains
- microfossils of rice
- soil mounding and deep channels remains
A: microfossils of rice

Q: The eastern half of the United States independently developed several crops including _____.
- barley
- wheat
- sunflower
- maize
A: sunflower

Q: Corn (maize) was first grown in _____.
- Mesopotamia
- Asia
- Russia
- Central America
A: Central America

Q: Grass plants make good lawns and groundcovers because they _____.
- grow from the crown which is not cut off when mowing
- require almost no maintenance
- reproduce so quickly by seed
- don't reproduce vegetatively
A: grow from the crown which is not cut off when mowing

Q: What we refer to as "wheat germ" is the _____.
- outer, flakey layer of seed coat
- endosperm
- aleurone layer
- embryo of the wheat seed
A: embryo of the wheat seed

Q: Legumes are important in our green society because _____.
- they are a cheap source of carbohydrates, fats and protein
- enrich the soil as green manure when mixed with macronutrients
- as trees they may reclaim barren land
- none of the above
A: as trees they may reclaim barren land

Q: Beans _____.
- have 50% protein
- have been cultivated for 10,000 years
- are cold weather crops
- can be stored for a long period of time
A: can be stored for a long period of time

Q: The peanut _____.
- has its flower stalk push underground to mature the seeds
- has a growing cycle of 10 months
- has 25% of its crop go into peanut butter
- is the highest cash crop in the South
A: has its flower stalk push underground to mature the seeds

Q: Soybeans _____.
- were domesticated 8,000 years ago
- can be eaten raw with a little bit of salt
- when made into milk products are good for lactose intolerant individuals
- have a slightly lower protein content than lean beef
A: when made into milk products are good for lactose intolerant individuals

Q: The atom is composed of _____.
- protons
- neutrons
- electrons
- protons, neutrons, and electrons
- only protons and electrons
A: protons, neutrons, and electrons

Q: All of the following vegetables are modified stems except _____.
- potatoes
- carrots
- onions
- taro
A: carrots

Q: Taro _____.
- is made into koi in Hawaii
- has leaves and stems that can be used as a fire source for cooking at a luau
- has xalcium oxalate crystals that must be treated before eating
- spread from India to the Pacific Islands
A: has xalcium oxalate crystals that must be treated before eating

Q: The sweet potato was spread by _____.
- Columbus who introduced it to Spain
- Thor Heyerdahl and the Kon Tiki from Peru to Polynesia
- King Henry VIII in England
- none of the above
A: Columbus who introduced it to Spain

Q: Nearly all the orange trees in Florida were lost because of _____.
- the same fungal disease that destroyed the potato
- monoculture
- too much saline in the water from the sea
- Hurricane Sarah
A: monoculture

Q: What crop came from China but its name was changed because of the Bamboo Curtain?
- tamarillo
- tawri
- naranjilla
- kiwi
A: kiwi

Q: We almost stopped eating the tomato since _____.
- it was too expensive to harvest by hand
- bacteria destroyed most of the crop in 1972
- all were genetically tasteless
- the skin was too thick to be peeled
A: it was too expensive to harvest by hand

Q: GM corn has been _____.
- only found in Europe
- found at Taco Bell
- banned since 70% of people had allergies
- responsible for an increase in revenue for Aventis
A: found at Taco Bell

Q: Which is the most important necessity of life?
- food
- clothing
- shelter
- fuel
A: food

Q: Phloem _____.
- carries water and raw materials up to the leaves
- carries sugars and proteins down from the leaves
- can be composed of dead cells
- none of the above
A: carries sugars and proteins down from the leaves

Q: Flowers _____.
- are sites of asexual reproduction
- exist only in gymnosperms
- exist only in angiosperms
- always contain both male and female parts
A: exist only in angiosperms

Q: Agriculture arose in several areas about _____.
- 1000 years ago
- 10,000 years ago
- 5,000 years ago
- 50,000 years ago
A: 10,000 years ago

Q: Earliest crops domesticated in the New World include all except _____.
- squash
- corn
- millet
- tomato
A: millet

Q: In the context of this unit, cereals are _____.
- edible grains
- processed breakfast foods
- not important as foods
- not widely grown
A: edible grains

Q: Rice plants _____.
- produce food for more people than any other grain crop
- are native to arid, desert-like regions
- are not grown in the United States
- cannot be produced using modern farming techniques
A: produce food for more people than any other grain crop

Q: The Lead Tree or Leucaena _____.
- can grow up to 30 feet per year
- is native to Asia
- should not be planted by maize
- allows only the wood to be used as fertilizer
A: can grow up to 30 feet per year

Q: The white potato _____.
- originated in vodka-producing area like Russia
- was used 8000 years ago
- was widely accepted for food in 1500
- was used in all of its parts e.g. leaves, stems and roots
A: was used 8000 years ago

Q: The modern potato _____.
- only 100 varieties are grown commercially in the U.S.
- is grown from seed to increase the variety
- is attacked by the Texas potato beetle
- has 25% of its weight as carbohydrate
- none of the above
A: only 100 varieties are grown commercially in the U.S.

Q: The Green Revolution was _________.
- a revolution without fallout
- begun in Europe
- based on using Green manure
- founded on using science and technology
- a part of the Green Water Act
A: founded on using science and technology

Q: Tea is native to _____.
- South America
- Asia
- Ethiopia
- Europe
A: Asia

Q: All three of these drinks (coffee, tea, chocolate) contain _____.
- caffeine
- large amounts of vitamin C
- approximately 30% protein
- approximately 20% fat
A: caffeine

Q: Oolong is a type of _____.
- coffee
- chocolate
- tea
- none of the above
A: tea

Q: Studies have linked caffeine to _____.
- higher IQ scores
- lower IQ scores
- low birth weight
- none of the above
A: low birth weight

Q: Which are made from the seeds of the plant?
- tea and coffee
- chocolate and tea
- chocolate and coffee
- none; they are all made from the leaves of their respective plants
A: chocolate and coffee

Q: What is the most popular spice in the world?
- black pepper
- cinnamon
- dill
- sage
A: black pepper

Q: Which country controlled the spice trade during the 1500s and 1600s?
- England
- France
- Italy
- Portugal
A: Portugal

Q: Why is vanilla difficult to produce outside its native region?
- It requires cool dry conditions.
- Only the native people know how to grow it.
- It has a symbiotic relationship with a native bee and is not pollinated by other insects.
- It requires high concentrations of nitrogen in the soil.
A: It has a symbiotic relationship with a native bee and is not pollinated by other insects.

Q: What is the significance of the term “officinalis” as a specific epithet in a plant name?
- It means the plant was widely cultivated.
- It means the plant was used medicinally.
- It means only those in government could purchase it.
- It has no significance as part of a plant name.
A: It means the plant was widely cultivated.

Q: A rhizome _____.
- is the swollen base of the stem of a plant
- is a fruit and contains seeds
- is part of the seed coat
- is a specialized root used to store sugars
A: is a specialized root used to store sugars

Q: What is the fastest growing woody plant?
- Rice
- Jungle vines
- Bamboo
- Douglas Pine
A: Bamboo

Q: The cotton gin _____.
- was invented by Thomas Edison
- was mixed with tonic/quinine water to stop malaria
- allowed cotton to replace tobacco as the dominant crop in the South
- enabled one person to replace 100 workers it had required to remove the seeds from cotton
A: allowed cotton to replace tobacco as the dominant crop in the South

Q: Trees _____.
- are one of Earth’s largest banks for storing the carbon that gets emitted by natural processes and human activities
- cover 15% of the earth’s land masses
- tie up 66% of all of the stored carbon
- are being restored in Africa; every removed tree is replaced by three seedlings
A: are one of Earth’s largest banks for storing the carbon that gets emitted by natural processes and human activities

Q: Linen _____.
- is the oldest textile material in the world
- was used to wrap Egyptian mummies
- was used as ancient armor
- is used in the creation of U.S. money
- all of the above
A: all of the above

Q: Hemp _____.
- has been banned in most of the world because of its drug uses
- is used for clothing and rope in the U.S.
- was used in the writing of the U.S. Constitution
- none of the above
A: was used in the writing of the U.S. Constitution

Q: The title "Medicine Man" _____.
- was found only in the Americas
- was used only for males
- referred to healers who had a good memory for plants
A: referred to healers who had a good memory for plants

Q: Cannabis sativa _____.
- is a perennial plant
- is only used for its psychological effects
- can tolerate 24 hours of light so it is called a long day plant
- has been used to treat almost every human malady
A: has been used to treat almost every human malady

Q: The digitalis plant _____.
- is still used to treat kidney disease
- has flowers that appear to have a “landing strip” for pollinators
- was first described as a medicine in France
- is commonly called Fox Shoes
A: has flowers that appear to have a “landing strip” for pollinators

Q: Aspirin _____.
- was brought from the Americas by Christopher Columbus
- was used from the bark and leaves of the oak tree
- was used by American Cherokees to treat fevers
- can be taken by all age groups
A: was used by American Cherokees to treat fevers

Q: Malaria _____.
- can be cured with the bark of the Quinine tree
- is found on all continents
- has been treated by the Chinese for 5000 years
- kills 5 to 8 million people every year
A: has been treated by the Chinese for 5000 years

Q: Aromatherapy works by _____.
- working on our skin cells
- their powerful scents stimulating the limbic system in our brains
- joining with a carrier oil to interact with our nasal cells
- fooling our mind like cannabis
A: their powerful scents stimulating the limbic system in our brains

Q: The term “aromatherapy” was coined by _____.
- Aristotle
- Jean Valnet
- René Gattefossé
- Maurice Chevalier
A: René Gattefossé

Q: Aromatherapy can be used to _____.
- help patients with colonoscopies
- cure OCD
- help treat ear infections in children
- none of the above
A: help patients with colonoscopies

Q: Which oil is an antidepressant?
- Tea tree
- Jasmine
- Sage
- Frankincense
A: Jasmine

Q: Jasmine oil _____.
- increases circulation promoting healthy radiant skin
- is an aroma and beauty secret that has endured for the centuries
- soothes the nerves, balance emotions, and encourage confidence
- all of the above
A: all of the above

Q: The bodies of fungi consist of _____.
- roots and stems
- mushrooms
- hyphae and mycelia
- spores
A: hyphae and mycelia

Q: Mushrooms _____.
- are a reproductive structure of a fungi
- are all poisonous
- must grow in dark places
- are the site of photosynthesis in fungi
A: are a reproductive structure of a fungi

Q: Which are two types of hyphae?
- Septate and nonseptate
- Mycelial and fungal
- Endomycorrhizal and ectomycorrhizal
- Nuclear and non-nuclear
A: Septate and nonseptate

Q: Lichens _____.
- cannot photosynthesize
- actually consist of two different organisms living symbiotically
- require soil to grow
- all of the above
A: actually consist of two different organisms living symbiotically

Q: Mycorrhizae _____.
- are fungi living symbiotically or sometime pathogenically with plant roots
- always kill their host plants
- take nutrients from plants without providing anything to the plant
- all of the above
A: are fungi living symbiotically or sometime pathogenically with plant roots

Q: The algae _____.
- are photosynthetic
- are only in freshwater ecosystems
- can rarely be used as food
- never cause human poisoning
A: are photosynthetic

Q: The cyanobacteria are _____.
- are sometimes called blue-green algae
- usually are yellowish green
- contain chloroplasts that help with the green color
- are sometimes able to fix nitrogen (heterocyst) and thus help corn grow
A: are sometimes called blue-green algae

Q: Green algae or chlorophyta _____.
- can form a symbiotic relationship with fungi to make up funophyta
- can form large seaweeds
- are most abundant in salt water than fresh water
- are the organisms from which all green plants evolved
A: are the organisms from which all green plants evolved

Q: Omega 3 oils are _____.
- not synthesized by fish
- pre-formed by certain algae
- part of the white matter in the human brain
- found in infant formula
A: pre-formed by certain algae

Q: Diatomaceous earth, a substance from diatoms, can be used for all of these EXCEPT _____.
- to kill garden pests
- to polish silver
- to filter wine
- to strengthen tires
A: to strengthen tires

Q: Our biosphere is _____.
- our earth
- the land mass
- the 7 miles on top of the earth
- the top 12 miles of the earth
A: the top 12 miles of the earth

Q: Energy is transferred in a typical food chain _____.
- by producers eating consumers
- starting with the sun for most ecosystems
- with 50% passing through each level
- all of the above
A: starting with the sun for most ecosystems

Q: Rachal Carson showed that _____.
- chemical toxicity could be magnified as it passed up the food chain
- DDT was not an effective pesticide
- the United Nations can effectively control pesticide use
- birds died from eating mosquitoes
A: chemical toxicity could be magnified as it passed up the food chain

Q: During global warming _____.
- butterflies ranges will move south
- the acidity of the oceans will increase
- pine trees in the U.S. will shift south
- snail and coral populations will explode
A: the acidity of the oceans will increase

Q: Grasslands _____.
- can be cold like the tundra
- are found when the grass roots can grow to one foot
- can also be called a savanna when pine trees invade
- all of the above
A: can be cold like the tundra