Title: Midterm 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: George de Mestral _____ while watching burrs on his dog.
- found a basis for Velcro
- discovered how plants transfer seeds to other areas
A: found a basis for Velcro

Q: Mitochondria _____.
- produce ATP
- reproduce by binary fission
- are believed to be descended from ancient bacteria that were enveloped by a larger cell
- all of the above
A: all of the above

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: Which is true of cells?
- Cells are the basic unit of life.
- All organisms are made from them.
- A new cell arises from a pre-existing cell.
- 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: Archeologists have made use of many plant remains except _____.
- pollen grains which are virtually indestructible
- phytoliths to identify plant material
- coprolites to determine what people ate
- none of the above
A: none of the above

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: Wheat _____.
- is seldom hybridized
- cannot be grown where winters are cold
- is not an important grain crop
- none of the above
A: none of the above

Q: The seed of a grass plant is called _____.
- bran
- a grain
- an aleurone
- endosperm
A: a grain

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: Which legume has been chosen by an International Society to create improved varieties – mature quicker, more disease resistant?
- Pigeon Pea
- Peanut
- Lentil
- None of the above
A: Pigeon Pea

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: The USDA has developed many guides to help us manage our food intake. The MyPyramid has _____.
- fruits and vegetables are on the top
- not included sweets
- no more steps
- bread, cereals, rice and pasta on the bottom row
A: no more steps

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 Jerusalem artichoke  _____.
- was introduced to the Americas from The Middle East
- cannot be eaten by diabetics
- can be also used in beer and wine production
- must be prepared to remove the toxins
A: can be also used in beer and wine production

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: Cassava is also known as _____.
- manioc
- tapioca
- yuca
- mandioca
- all of the above
A: all of the above

Q: To use high-yield varieties we need _____.
- excellent growing conditions
- low use of fertilizers
- fewer pesticides
- less irrigation
A: excellent growing conditions

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