ENL1501 Assignment 1 Semester 1 2024 (Solutions)

ENL1501 Assignment 1 Semester 1 2024 (Solutions) Question 1 Answer saved Marked out of 1.00 Flag question Question text How can packaging support the environment? a. By providing clear environmental information b. By using excessive materials c. By making products more expensive d. By being visually unappealing Clear my choice Question 2 Answer saved Marked out of 1.00 Flag question Question text What is the primary role of air for bioresources? a. Providing structural support to plants b. Serving as a medium for respiration and photosynthesis c. Carrying water to plant roots d. Transporting nutrients in soil Question 3 Answer saved Marked out of 1.00 Flag question Question text What is the purpose of the Ramsar Convention a. The protection and sustainable use of marine resources b. The conservation and sustainable use of land c. The protection and sustainable wetlands d. The protection and sustainable use of all freshwater water resources Clear my choice Question 4 Answer saved Marked out of 1.00 Flag question Question text What is one potential consequence of rising soil surface temperatures due to climate change? a. Decreased risk of drought b. Increased crop yields c. Improved plant growth d. Reduced agricultural productivity Clear my choice Question 5 Answer saved Marked out of 1.00 Flag question Question text What is a common environmental concern related to food products? a. The brand of the food product b. The amount and type of packaging used c. The nutritional content of the food d. The type of seasoning used Clear my choice Question 6 Answer saved Marked out of 1.00 Flag question Question text Which greenhouse gas has increased significantly due to rice cultivation, landfills, and oil and gas extraction? a. Nitrous oxide b. Methane c. Carbon dioxide d. Oxygen Question 7 Answer saved Marked out of 1.00 Flag question Question text Biome is defined as: a. All living and non-living organisms of an area b. Dominant species in a particular area c. The detailed description of features of an area d. Dominant non-living resources of an area e. An area classified according to its species Clear my choice Question 8 Answer saved Marked out of 1.00 Flag question Question text What is the primary source of energy for processes such as photosynthesis in plants? a. Wind energy b. Fossil fuels c. Geothermal energy d. Solar energy Question 9 Not yet answered Marked out of 1.00 Flag question Question text Which of the below is not the purpose of product packaging a. Prevent tampering by other consumers. b. To contain multiple items. c. To promote the product. d. To damage the products Clear my choice Question 10 Not yet answered Marked out of 1.00 Flag question Question text What is the primary function of water vapor in the atmosphere? a. To create air pressure variations b. To regulate temperature through radiation c. To absorb harmful ultraviolet rays from the sun d. To form clouds and participate in the water cycle Question 11 Not yet answered Marked out of 1.00 Flag question Question text What is the primary source of high-quality energy that powers most human activities? a. Nuclear reactors b. Solar panels c. Fossil fuels d. Wind turbines Clear my choice Question 12 Not yet answered Marked out of 1.00 Flag question Question text What is the definition of climate change? a. Temporary variations in weather patterns b. Seasonal changes in temperature c. Long-term alterations in weather patterns d. A shift in atmospheric pressure Question 13 Not yet answered Marked out of 1.00 Flag question Question text Which gas is essential for photosynthesis in plants? a. Carbon dioxide b. Oxygen c. Nitrogen d. Methane Clear my choice Question 14 Not yet answered Marked out of 1.00 Flag question Question text Which of the following chemical formula describes how plants capture the sun’s light energy and convert it into chemical energy? a. 6CO2 + 6H2O + direct energy = C6H12O6 + 6O2 b. 6CO2 + 6H2O + passive energy = C6H12O6 + 6O2 c. 6CO2 + 6H2O + radiation energy = C6H12O6 + 6O2 d. 6CO2 + 6H2O + light energy = C6H12O6 + 6O2 e. 6CO2 + 6H2O + solar energy = C6H12O6 + 6O2 Question 15 Not yet answered Marked out of 1.00 Flag question Question text What is the main contributor to air pollution in cities like Los Angeles and Beijing? a. Volcanic eruptions b. Excessive dust storms c. Industrial emissions d. Natural gas leaks Clear my choice Question 16 Not yet answered Marked out of 1.00 Flag question Question text How is relative humidity (Rh) typically measured at the household level? a. Anemometer b. Soil thermometer c. Radiation intensity meter d. Hygrograph or wet and dry bulb thermometer Clear my choice Question 17 Not yet answered Marked out of 1.00 Flag question Question text What percentage of the electrical energy flowing into an incandescent light bulb is converted to light? a. 50% b. 10% c. 5% d. 95% Clear my choice Question 18 Not yet answered Marked out of 1.00 Flag question Question text What does a "vulnerable species" in the International Trade in Endangered Species of Wild Fauna and Flora (CITES) refer to? a. Species with sufficient numbers and no concern for extinction. b. Species with insufficient evidence to evaluate their status. c. Species that have recovered from endangerment. d. Species in immediate danger of becoming extinct. Question 19 Not yet answered Marked out of 1.00 Flag question Question text What is the approximate efficiency of an internal combustion engine in converting fuel into useful work? a. 100% b. 87% c. 75% d. 50% Clear my choice Question 20 Not yet answered Marked out of 1.00 Flag question Question text In the soil profile where is the R-Horizon? a. Above the B-Horizon b. In between the A-Horizon and the C-Horizon c. Below the C-Horizon d. Below the A-Horizon e. In between the C-Horizon and the B-Horizon Question 21 Not yet answered Marked out of 1.00 Flag question Question text Why can the atmosphere be referred to as an insulator? a. Because it generates electricity through lightning b. Because it filters out pollutants from the air c. Because it traps heat and prevents it from escaping into space d. Because it controls the Earth's magnetic field Clear my choice Question 22 Not yet answered Marked out of 1.00 Flag question Question text Approximately how much of the total solar energy reaching the Earth is lost in the atmosphere? a. 50% b. 31% c. 67% d. 10% Question 23 Not yet answered Marked out of 1.00 Flag question Question text To conserve air as a bioresource support factor, what should be done? a. Provide proper ventilation in buildings b. Burn vegetation without restrictions c. Increase indoor pollution d. Encourage the use of aerosols containing CFCs Clear my choice Question 24 Not yet answered Marked out of 1.00 Flag question Question text What is the term used for the human-induced thinning of the ozone layer? a. Greenhouse effect b. Acid rain c. Desertification d. Ozone depletion Question 25 Not yet answered Marked out of 1.00 Flag question Question text Why does ice water float in liquid water? a. Because liquid water molecules takes more space than ice crystals, thus resulting in ice having lesser density b. Because ice crystals take up more space than liquid water, thus resulting in ice having higher density c. Because ice crystals take up less space than liquid water, thus resulting in ice having lesser density d. Because ice crystals take up more space than liquid water, thus resulting in ice having lesser density Clear my choice Question 26 Not yet answered Marked out of 1.00 Flag question Question text What is biodiversity? a. The diversity of living marine organisms b. The how a living organism interact with non-living things c. The impact of non-living things on living organisms d. The variety of all living things and their interactions. e. The diversity of living organisms on land Question 27 Not yet answered Marked out of 1.00 Flag question Question text What is the consequence of using incorrect fertilizers in agriculture? a. Improved soil health b. Enhanced water retention c. Soil salinity, acidity, or alkalinity d. Reduced crop yields Clear my choice Question 28 Not yet answered Marked out of 1.00 Flag question Question text What is the primary goal of implementing soil conservation structures like buttresses and enviro-walls? a. Increasing atmospheric pressure b. Reducing soil fertility c. Promoting soil erosion d. Preventing soil erosion Question 29 Not yet answered Marked out of 1.00 Flag question Question text What is the approximate rate of temperature decrease with altitude in the troposphere? a. 3.0°C per 1,000 meters b. 1.0°C per 1,000 meters c. 6.5°C per 1,000 meters d. 10.0°C per 1,000 meters Clear my choice Question 30 Not yet answered Marked out of 1.00 Flag question Question text Which of the following is NOT a way to use air in an accountable and responsible way? a. Providing adequate ventilation in buildings b. Keeping vehicle exhaust systems in good working order c. Avoiding the burning of vegetation without approved methods d. Using aerosols with CFCs Question 31 Not yet answered Marked out of 1.00 Flag question Question text What is the primary reason for the inefficiency of incandescent light bulbs? a. They produce too much light. b. They convert most of the energy into heat. c. They emit harmful radiation. d. They generate too little heat. Clear my choice Question 32 Not yet answered Marked out of 1.00 Flag question Question text According to the second law of thermodynamics which heat dissipates to the environment and is picked by molecules leading to the rise of their kinetic energy? a. Solar heat b. Atmospheric heat c. Unusable heat d. Unstable heat e. Radiation heat Question 33 Not yet answered Marked out of 1.00 Flag question Question text What is the region of constant temperature in the stratosphere called? a. Ozone layer b. Isothermal layer c. Thermosphere d. Mesosphere Clear my choice Question 34 Not yet answered Marked out of 1.00 Flag question Question text What is the main consequence of burning coal and petroleum products containing sulphur? a. Formation of acid rain b. Release of harmful radioactive materials c. Increased levels of carbon monoxide d. Depletion of the ozone layer Question 35 Not yet answered Marked out of 1.00 Flag question Question text What are the primary atmospheric problems induced by human actions? a. Accelerated air circulation in the troposphere b. Decreased levels of oxygen in the atmosphere c. Enhanced greenhouse effect and global warming d. Increased levels of ozone in the stratosphere Clear my choice Question 36 Not yet answered Marked out of 1.00 Flag question Question text How can consumers be more environmentally conscious when it comes to clothing items? a. Buy more synthetic fiber clothing b. Ignore clothing labels c. Prefer clothing made with chemical dyes d. Choose clothing made with natural dyes Question 37 Not yet answered Marked out of 1.00 Flag question Question text What role does water vapor play in the atmosphere's heat redistribution? a. It generates lightning during thunderstorms. b. It redistributes heat energy and warms the Earth through the greenhouse effect. c. It absorbs carbon dioxide from the atmosphere. d. It creates air pressure differences. Clear my choice Question 38 Not yet answered Marked out of 1.00 Flag question Question text What are the five basic principles for bioresource preservation? a. Knowing what constitutes bioresources, knowing ecosystems, practicing responsible use, supporting bioresource support factors, and conserving. b. Knowing bioresources, using bioresource support factors, responsible use, conserving, and accountability. c. Understanding ecosystems, recycling, responsible use, conservation, and accountability. d. Understanding, knowing, practicing, conserving, and supporting. Question 39 Not yet answered Marked out of 1.00 Flag question Question text Which of the following statements is true? a. Every eleven 2L cold drink bottles made from PET, can be reused to make enough material for a pair of men’s trousers b. Paper can be reused to reduce air pollutants by 75% and water pollution by 67%. c. By reusing 125 aluminium cans enough energy can be saved to power one house for one day d. Recycling glass uses about 40% less energy than producing new glass from raw products using silica sand, lime and soda ash Clear my choice Question 40 Not yet answered Marked out of 1.00 Flag question Question text Which is the correct definition of Environmental Literacy? a. One with knowledge, tools, and sensitivity to properly address an environmental problem and routinely include the environment as one of the considerations in their work and daily living. b. The ability to read and write without taking much consideration of the environment. c. With no problem-solving and critical thinking skills d. Disadvantaged in the awareness of the relationship between the environment and human life. e. One who has minimum awareness, knowledge, skills, and attitudes, is able to incorporate environmental reasoning into their daily decisions about consumption, lifestyle, career, and civics, and may not engage in individual and collective actions. Question 41 Not yet answered Marked out of 1.00 Flag question Question text What is the primary role of the LandCare unit of the Department of Agriculture, Forestry and Fisheries in South Africa? a. Regulating biodiversity research. b. Eradicating alien weeds. c. Promoting industrial agriculture. d. Controlling natural forests. Clear my choice Question 42 Not yet answered Marked out of 1.00 Flag question Question text Which process involves the conversion of carbon dioxide and water into glucose and oxygen using sunlight? a. Respiration b. Fermentation c. Photosynthesis d. Combustion Question 43 Not yet answered Marked out of 1.00 Flag question Question text Which gas is responsible for the greenhouse effect and contributes to global warming? a. Argon b. Oxygen c. Carbon dioxide d. Nitrogen Clear my choice Question 44 Not yet answered Marked out of 1.00 Flag question Question text What is a major concern related to the impact of appliances on the environment? a. Disposal of appliances when they no longer work b. The size of the appliance c. The color of the appliance d. The brand of the appliance Question 45 Not yet answered Marked out of 1.00 Flag question Question text How do marketers typically provide information to consumers through packaging? a. Through secret codes b. Through telepathy c. Through labels, symbols, and logos d. Through hidden messages Clear my choice Question 46 Not yet answered Marked out of 1.00 Flag question Question text Which of the following best describes the Bonn Convention intentions? a. Regulates distribution of endemic species b. Conserve terrestrial, marine and avian migratory species c. Conserve marine living resources d. Conserve habitats of importance for migratory bird species e. Regulate distribution of exotic species Question 47 Not yet answered Marked out of 1.00 Flag question Question text What is the primary purpose of the National Forests Act 84 of 1998 in South Africa? a. To encourage deforestation. b. To develop forests for industrial use. c. To promote the destruction of woodland areas. d. To protect natural forests and woodlands. Clear my choice Question 48 Not yet answered Marked out of 1.00 Flag question Question text How is global climate change determined scientifically? a. By measuring volcanic eruptions b. By comparing current weather patterns with past weather patterns c. By tracking changes in bird migration patterns d. By observing changes in the ozone layer Question 49 Not yet answered Marked out of 1.00 Flag question Question text Which factor is responsible for driving all essential processes and systems on Earth, except geological processes? a. Air circulation b. The one-way flow of high-quality energy from the sun c. Gravity d. Nutrient cycling Clear my choice Question 50 Not yet answered Marked out of 1.00 Flag question Question text Which of the following is not one of the principles of the National Forests Act 84 of 1998? a. Sustaining the potential yield of local economic benefits. b. Promoting the conservation of heritage resources. c. Promoting the destruction of natural resources. d. Advancing people disadvantaged by unfair discrimination. Clear my choice Previous page Finish attempt ..