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Mid-term Exam: Population, Nutrition, and Food Security - Prof. John R. Moore, Exams of Agricultural engineering

This document consists of a mid-term exam focusing on population growth, nutrition, and food security. The exam includes definitions, multiple-choice questions, and true or false statements. Topics covered include population momentum, synergism between nutrition and infection, oral rehydration therapy, demographic transition, and reasons for malnutrition in less developed countries.

Typology: Exams

Pre 2010

Uploaded on 05/13/2008

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Download Mid-term Exam: Population, Nutrition, and Food Security - Prof. John R. Moore and more Exams Agricultural engineering in PDF only on Docsity! Name Social Security # AREC - 365 First Mid-term October 6, 1992; Define and explain the following terms (5 points each question) 1) Population momentum - What is it? Explain how it works and its implications for feeding the world's population. 2) The synergism between nutrition and infection - What is it? How does it work? What are its implication for reducing world hunger? 3) Oral rehydration therapy (ORT). What is it? Why is it important? What are the main ingredients used and why? 4) Demographic transition - What is it? How does it work? Why is it important? 6) Which of the following is not a carbohydrate? A) Beefsteak B) Sugar C) Potatoes D) Wheat bran 7) Which is not true about fats? A) Saturated ones are liquid at room temperature B) The way animals store energy C) Are made up of triglycerides D) Some are essential for humans (humans can't make them in their bodies) 8) Which of the following is not true of amino acids? A) Are organic compounds B) 8-9 essential for humans C) Can be stored for several days in the human body for making proteins. D) Are used in the production of antibodies 9) Which of the following is false with respect to the percent of digestible protein? A) Eggs 95% B) Milk 60% C) Wheat 60 % D) Peanuts 40% 10) Which is not a fat soluble vitamin? A) A B) B C) D D) E 11) Which vitamin is required in the largest quantity by humans? A) A B) B C) C D) E 12) Cod liver oil is a good source of vitamin? A) A B) B C) C D) D 13) Which mineral is needed in the largest amount by humans.? A) Potassium B) Chlorine C) Sodium D) Phosphorus 14) Which of the following is not a standard method of measuring malnutrition? A) Clinical examinations B) Body measurement C) Biochemical tests D) Measuring frequency of nutritional diseases True and False. Mark "A" on your answer sheet if you think the statement is more true than false. Mark "B" on your answer sheet if you think the statement is more false than true. (1 point per question) T F 15) Since 1950 world food production has been increasing at a faster rate than world population. T F 16) The main source of increased grain production since 1950 has been increases in the area being farmed. T F 17) The smaller farms in the less developed countries have lower yields per acre than the larger farms there. T F 18) Population growth in less developed countries usually results in an increase in the profit from land ownership. T F 19) Children in less developed countries are more likely to have diarrhea in their second year than at any other time. T F 20) Children in Latin America have more diairrhea than those in Africa. T F 21) In most countries children's body weight is positively related to the family's income. T F 22) Cereals have a higher percent protein than pulses (beans and peas). T F 23) In India, women from the poorer families tend to breast feed their children longer than do women from the more wealthy fa.milies. T F 24) The world reached 1 billion population about 1850 and two billion in 1930. T F 25) World population is expected to reach 8 billion by 2000 A.D. T F 26) Agricultural (cultivation of crops and domestication of animals) occurred in the old stone age (paleolithic period). T F 27) The population growth of fruit flies in a jar with food will form an "S" shaped curve. T F 28) Natural growth rate equals the difference between birth and death rates. T F 29) When the natural growth rate is zero, the population has reached zero population growth.
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