Chapter 5: Plants and Society
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Most numerous division of all true plants | Angiosperms
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| What do flowering plants supply humanity with? | Food, clothing, shelther
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| What are dicots? | 3/4 of all angiosperm species
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| How many cotyledons do dicots have? | Two
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| What is the arrangement of dicots? | Multiples of fours or fives, netted veins, pollen grain with 3 apertures, vasuclar bundles arranged in ring
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| What are monocots? | 1/4 of all angiosperm species
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| How many cotyledons do monocots have? | One
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| What is the arrangement of monocots? | Multiples of threes, parallel veins, pollen grains with one aperature, vascular bundles arranged in a scattered pattern
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| Annuals | Plant that complete life cycle in a year
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| Biennials | Plants that complete life cycle over a tow-year period
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| Perennials | Plants which live for more than two years and may flower at various times
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| What are the sterile parts of a plant? | Peduncle, receptacle, sepals, petals, calyx and corolla
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| What are the fertile parts of a plant? | Stamens, carpel/pistil
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| What is the gynoecium? | The collective term for the female structures or carpel(s) of the flower
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| Describe complete flowers. | Contain all four floral parts: sepals, petals, stamens, and carpels
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| Describe incomplete flowers. | Missing at least one of the four fundemental parts
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| Describe perfect flowers. | Contain both stamens and carpels. (monoecious)
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| Describe imperfect flowers. | Either staminate or carpellate, but not both. (dioecious)
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| Regular flowers display what type of symmetry? Irregular flowers? | Radial; Bilateral
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| Upon pollination, what develops into the pollen tube? | Pollen grain cell (vegetative cell)
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| What is double fertilization? | Process where both sperm nuclei undergo fusion. Then, the ovule matures into a seed and the ovary matures into a fruit
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| What is parthenocarpy? | Fruit formation without fertilization
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| How can parthenocarpy occur? | Either naturally, like in bananas or navel organges, or can be chemically induced (hormones)
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| What family are legumes a part of? | Fabaceae
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| In legumes, what is the part that develops into a plant? | Plumules
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| What part do we eat in peanuts? | Cotyledon
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| What does the bacterium Rhizobium do for legumes? | Have nitrogen-fixing properties that convert nitrogen to nitrates and ammonium
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| What is the Cinderella crop and who is the second leading producer behind Brazil? | Soybeans; US
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| Why can't soybeans be eaten raw? | They contain a trypsin inhibitor that is only deactivated by heat
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| What is TVP? | Textured vegetable protein that is often used as a meat extender
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| What are the two major varieties of peanuts? | Virginia and Spanish peanuts
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| What is the name of the legume deemed "Jack's beanstalk" | Lead tree - Leucaena
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| What is the most widely grown legume used as a forage crop and makes the best types of hay? | Alfalfa - Medicago
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| What is the legume crop native to South Asia and all parts of theplant can be used as a food sourse? | Winged Bean
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