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BPSC Midterm 1 Actual Exam Questions and CORRECT Answers| Updated

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This document contains actual exam questions and correct answers for BPSC Midterm 1, focusing on plant biology, agriculture, and food systems. It reviews topics such as sustainable agriculture practices, food security, crop production in California, plant structure and reproduction, citrus and avocado cultivation, and plant domestication. The material also covers plant physiology, macronutrients, metabolism, climate change, greenhouse gases, and agriculture’s environmental impacts. It functions as a comprehensive study guide for students preparing for the BPSC midterm exam.

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BPSC
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BPSC

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BPSC Questions Midterm 1 Actual
Exam Questions and CORRECT
Answers| Updated


How to minimize agricultural water use
drip irrigation, irrigation scheduling, and dry farming


how to reduce the negative impacts of conventional ag
organic farming (use insects as natural pesticides, hand weed fields, cover beds to
prevent weed growth)


how to improve soil fertility
cover crops, compost and mulch


How to achieve sustainable farm labor
mechanization and proper provisions for farm laborers (water/rest breaks, shade,
covid protection)

,Why is BPSC 21 called California's cornucopia?
It is called California's cornucopia because California is regarded as a cornucopia, a
symbol of abundant food source since it produces so much.


How does CA's agricultural production rank in the world?
CA has the 5th largest economy in the world, mostly due to its agriculture. It
provides 2/3 of fruits and nuts, 1/3 of vegetables, and 81% of wine in the US.


How is food security defined?
"Food security exists when all people, at all times, have physical and economic
access to sufficient safe and nutritious food that meet their dietary needs and
food preferences for an active and healthy life" 1996 World Food Summit


What are the four dimensions of food security?
1. Physical availability of food, 2. Economic and physical access to food, 3. Food
utilization (food, safety, preparation, diversity), 4. The stability of the dimension 1,
2, and 3 over time (be stable tmrw, the next, etc.)


What is hunger? Is it wide spread?
1. Hunger is the uncomfortable to painful sensation caused by insufficient food
energy consumption. It is wide spread, worldwide 821 million people were hungry
in 2018




What is malnutrition?

,Deficiencies, excesses or imbalances in consumption of macronutrients (protein,
fats, carbs) and micronutrients (vitamins, minerals)


How are food insecurity, malnutrition and poverty linked?:
Food insecurity (due to low crop yields, bad quality [climate change, pests,
pathogens, soils], diversity) is hunger and malnutrition --> Leads to poor physical
and cognitive development --> Leads to low productivity --> Leads to poverty


How do plant biologists try to break the food insecurity cycle?
Plant biologists can break the cycle by growing crops with high yields, better
quality (resistant to climate change, pests, pathogens, soils), and grow with
diversity (better for nutritional balance)




What two non-food issues contribute to food insecurity?
Conflict and Climate Shocks are major drivers of food insecurity. With conflict (war,
civil unrest) there are high rates of food insecurity, and climate change leads to
unpredictable and more frequent droughts, floods, etc. and this has led to spikes
in food insecurity


What are the effects of the current COVID-19 pandemic on food insecurity?:
Covid has led to unemployment rates going up and this can increase poverty rates
and overall increase the number of food insecure Americans


What resource on UCR's campus will help UCR students with food insecurity?
R'Pantry

, What are the constraints to Ag production? (use info from lecture and readings):
Rising population, soil erosion, depletion of aquifers, rising temp, grain consumers
going up


What are the goals of sustainable agriculture?
Must: Produce abundant and safe food, reduce of harmful enjoinments inputs,
minimize the use of land and water, safe working conditions, protect genetic
makeup of native species, enhance crop diversity, fosters soil fertility, improves
lives of poor and malnourished, maintains the economic viability of farming and
rural communities


What farm gate value?
Market value of a cultivated product (agriculture or aquaculture) MINUS the
selling costs (transport, marketing) California makes 13% of US's farm gate value


What is the difference between crops and specialty crops?:
Crops are plants that are cultivated for sale of subsistent. Specialty crops are fruits
and vegetables, tree nuts, dried fruits and horticulture and nursery crops included
floriculture (flour)


What six crops are solely or primarily produced in CA?:
(specialty crops) Clingstone peaches, walnuts, almonds, artichokes, pomegranates,
and cherimoyas

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