This quiz works best with JavaScript enabled. Home > Agriculture Environment > Agriculture And Environment – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Agriculture And Environment Quiz 20 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. DDT has been banned for decades, but is still found in humans today. It exhibits ..... A) Immunity. B) Determination. C) Resistance. D) Persistance. Show Answer Correct Answer: D) Persistance. 2. Under the integrated pest management system, the first line of defense during an infestation is to use A) Biologic methods. B) DDT. C) Genetic engineering. D) Broad range pesticides. Show Answer Correct Answer: A) Biologic methods. 3. What is the purpose of "finishing" for beef cows? A) Cause the cows to gain weight. B) Making the cows unconscious before slaughter. C) The act of slaughtering a cow. D) Letting old cows live out their life in a pasture. Show Answer Correct Answer: A) Cause the cows to gain weight. 4. Liter layer, mostly undecided materials A) A horizon. B) B horizon. C) O horizon. D) E horizon. Show Answer Correct Answer: C) O horizon. 5. The invention of more productive agricultural techniques during the 1960s and 1970s is called the A) Green revolution. B) Agricultural revolution. C) Farming revolution. D) Crop revolution. Show Answer Correct Answer: A) Green revolution. 6. Genetically modified foods are engineered to resist herbicides so that A) Humans won't be put at health risks from pesticides. B) Insect pests will avoid the crops. C) The crops will grow more efficiently. D) Farmers can use heavier doses of pesticides for weeds without killing the crop plants. Show Answer Correct Answer: D) Farmers can use heavier doses of pesticides for weeds without killing the crop plants. 7. The natural factors that affect biodiversity are? A) Poaching, pollution, introducing exotic species, habitat destruction. B) Captive breeding, laws/treaties, habitat preservation. C) Climate, area, diversity of niches, genetic diversity, and extinction of species. D) None of above. Show Answer Correct Answer: C) Climate, area, diversity of niches, genetic diversity, and extinction of species. 8. The ecosystem in the western Plains of the United States is best described as a A) Temperate desert. B) Temperate grassland. C) Deciduous forest. D) Wind erosion. Show Answer Correct Answer: B) Temperate grassland. 9. Which of the following categories includes all of the others? A) Fungicides. B) Pesticides. C) Insecticides. D) Herbicides. Show Answer Correct Answer: B) Pesticides. 10. What may NOT lead to desertification of farmland? A) No-till farming. B) Over grazing cattle. C) Soil erosion. D) None of above. Show Answer Correct Answer: A) No-till farming. 11. A condition that is caused by not enough protein in diet A) Anemia. B) Goiter. C) Kwashoirkor. D) None of above. Show Answer Correct Answer: C) Kwashoirkor. 12. What are the Goldilocks Conditions necessary for Threshold 7? A) Just the right amount of energy coupled with liquid water. B) New organisms with the ability to metabolize and reproduce. C) Warmer climates after the last ice age and increasing competition for resources. D) Globalization. Show Answer Correct Answer: C) Warmer climates after the last ice age and increasing competition for resources. 13. Which areas of the world are most susceptible to desertification? A) Humid Equitorial Regions. B) Temporal Chaparral. C) Areas adjacent to the Poles. D) Areas adjacent to Existing Deserts. Show Answer Correct Answer: D) Areas adjacent to Existing Deserts. 14. Shifting cultivation is found in all of the following locations EXCEPT A) Tropical Forests. B) Southeast Asia. C) Central Agrica. D) Southwest Asia. Show Answer Correct Answer: C) Central Agrica. 15. Irrigation water usually comes from A) Rainwater collection. B) Rivers and groundwater. C) Salty sources. D) All choices. Show Answer Correct Answer: B) Rivers and groundwater. 16. When forests are not replanted after trees are cut, natural resources A) Increase. B) Decrease. C) Regenerate. D) Remain unchanged. Show Answer Correct Answer: B) Decrease. 17. What physical characteristic do all deserts share? A) They have no plants. B) They receive little rain. C) They are very, very hot. D) They have lots of trees. Show Answer Correct Answer: B) They receive little rain. 18. Most farms today use synthetic ..... pesticides and herbicides (such as Round-up) tocontrol their biological pests. The problem with these chemicals is that they ..... in the environment. A) Synthetic pesticides, Bioaccumulate. B) Botanical pesticides, Bioaccumulate. C) Synthetic pesticides, Biodegrade. D) Botanical pesticides, Biodegrade. Show Answer Correct Answer: A) Synthetic pesticides, Bioaccumulate. 19. Soil composed of the finest particles A) Clay. B) Silt. C) Humus. D) Loam. Show Answer Correct Answer: A) Clay. 20. What percentage of greenhouse gas emissions caused by producing food are from animal products? A) 80. B) 60. C) 40. D) 20. Show Answer Correct Answer: A) 80. ← PreviousNext →Related QuizzesAgriculture And Environment Quiz 1Agriculture And Environment Quiz 2Agriculture And Environment Quiz 3Agriculture And Environment Quiz 4Agriculture And Environment Quiz 5Agriculture And Environment Quiz 6Agriculture And Environment Quiz 7Agriculture And Environment Quiz 8Agriculture And Environment Quiz 9Agriculture And Environment Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books