SCSC 105 Exam 1 Questions With Complete Solutions

Compare/Contrast the s, 1800s, and 1900s-2000 in terms of •Farm size •% of labor force in agriculture •Production methods practices that defined the era correct answer: s - manual and animal labor 1800s - mechanical inventions s - agricultural chemicals, plant breeding/genetics, precision agriculture Depict the change in number and size of farms in the US from in graphic form. correct answer: The number of farms has decreased, but the size of the farms have gotten bigger. What agency represents agricultural interests in the Federal government? •List 3/5 classes of funding included in the USDA budget. correct answer: USDA -Land retirement progress -Working land programs -Agricultural land preservations Compare the dictionary definition of a farm to the USDA definition. correct answer: dictionary def- Any plot of land devoted to agriculture and to the raising of crops and domesticated animals USDA def- Any place from which $1000 or more of agricultural products are sold annually How many farms are in the US and what is the average size? correct answer: 2.04 million farms; 444 acres 1)1 Acre = _________ ft^2 = _________ ha correct answer: 43,560; 0.404 List the 3 types of financial assistance provided by the USDA. correct answer: 1) commodity payments 2) conservation payments 3) disaster payments List the top 5 crops: Worldwide, in the United States, and in Texas. correct answer: Worldwide: corn, wheat, rice, potatoes, cassava U.S: corn, cotton, fruit, tree nuts, rice Texas: cotton, hay-forage, sorghum, corn, wheat Define metabolism. correct answer: complex physiological and metabolic reactions that occur in plant cells, providing energy for survival What is photosynthesis? Write the general equation that represents the process. correct answer: Process by which plants convert energy from sunlight to chemical energy