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BPSC021 MIDTERM 1 QUESTIONS AND ANSWERS
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BPSC021 MIDTERM 1 QUESTIONS AND ANSWERS
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BPSC021 MIDTERM 1 QUESTIONS AND ANSWERSMacronutrients include - Answers -fats, proteins, carbs
Micronutrients include - Answers -vitamins, minerals
Deficiencies, excesses or imbalances in macronutrients and micronutrients - Answers -
malnutrition
cycle of food insecurity / poverty in order (assume repeat) - Answers -food insecurity,
poor development, poverty
constraints to increasing food production - Answers -land use, desertification, climate
change
Top crops in CA area (in order) - Answers -alfalfa, almonds, grapes
CA is the world's _______ largest producer of food & Ag commodities - Answers -5th
UCR began as a _____ - Answers -citrus experiment station
Majority of 1990 Riverside wealth generated by ____ - Answers -navel orange
production
2 categories of the 6 total parts of flowering plants - Answers -vegetative, reproductive
Vegetative parts of a plant - Answers -roots, stems, leaves
Reproductive parts of a plant - Answers -flowers, fruits, seeds
In flowering plants, seeds are always held in an organ called the ________ - Answers -
fruit
functions of fruit - Answers -protection and dispersal of seeds
angiosperm life cycle in order - Answers -Fertilized egg, Embryo, seed, plant
Commercial citrus trees are made by _____ - Answers -grafting
Citrus trees are ______ or _____ - Answers -chimeras; hybrids
Citrus hybrids are a fusion of _____ - Answers -rootstock and scion
Scion and rootstock sources must be certified as ___________ (UCR's Citrus Clonal
Protection Program) - Answers -pathogen free
,flowering plants (angiosperms) produce seeds inside (choose one): cones, flowers,
fruits, all of the above - Answers -fruits
flowering plants (angiosperms) produce seeds inside (choose one): cones, fruits,
flowers, all of the above - Answers -fruits
A different citrus genotype grown from seed is called a _____ - Answers -rootstock
Chosen for ability to grow in a specific growing region (good performance in soil,
resistance to pathogens) - Answers -rootstock
cuttings from genetically identical trees - Answers -clonal scions
Clonal scions are grafted onto - Answers -seedling rootstocks
Clonal Scions: example of ______ reproduction - Answers -asexual
_______ systems of scion and rootstock join - Answers -vascular
Two vascular tissues (and the way each conducts) - Answers -xylem (up), phloem (up
and down)
3 categories of plant classification - Answers -angiosperms, seed plants, true plants
Angiosperms include - Answers -flowering plants
Gymnosperms - Answers -no flowers or seeds
Gymnosperms reproduce using _____ which contain ______ - Answers -cones; seeds
Seed plants include - Answers -angiosperms and gymnosperms
True plants include - Answers -seed plants and non-seed plants
does CA produce pine nuts? - Answers -no
Plant classification is ______ - Answers -hierarchical
California beats Florida in everything citrus except - Answers -total citrus production,
juicing oranges
_______ are mythical organisms that have body parts from several animals - Answers -
animal chimeras
Which plant is not created by grafting? - Answers -corn
, To prevent ACP feeding (ACP from transmitting HLB to washington orange tree), it is
_____ - Answers -tented
Avocado sex: what's true? A) avocado plants are perfect (bisexual), B) when a avocado
flower opens sex expression is first female (protogyny), C) any given time all sex
expression is either male or female, D) avocados don't have sex - Answers -a, b, c
Mature vs. ripe (mature, ripe) - Answers -able to ripen, ready to eat
________ fruits are those that must be picked after they mature before they can ripen. -
Answers -climacteric
Avocados: climacteric or non-climacteric - Answers -climacteric
_______ ruits are ripe (edible and tasty) about the same time as when they are mature.
- Answers -non-climacteric
Climateric fruit ripening involves a spike in _____ - Answers -cellular respiration,
ethylene
What is ethylene? - Answers -ripening hormone
________ quality of climacteric and non-climacteric fruit: Involving the use of sense
organs - Answers -organoleptic
____ = extensive area planted with a single species or single genotype. - Answers -
monoculture
Mixed cultivar groves tend to yield fruit ______ than single cultivar groves. - Answers -
more
Protandry - Answers -male first
Protogyny - Answers -female first
______ means timing of pollen shed (male) and female receptivity is different - Answers
-dichogamy
If separate male and female flowers occur on the same plant, the condition is called
____ - Answers -monoecy
There are male plants and female plants (different flowers on different plants) - Answers
-dioecious
Acronym for floral formula of floral parts - Answers -KCAG
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