1 One disadvantage of solar ovens is that they: A Are expensive to build B Require electricity C Depend on sunlight availability D Produce harmful emissions
2 Which greenhouse gas is released in the largest quantity by human activities? A Methane B Carbon dioxide C Nitrous oxide D Ozone
3 How does atmospheric pressure change with increasing altitude? A It increases. B It decreases. C It remains constant. D It fluctuates randomly.
4 Which gas is primarily responsible for the depletion of the ozone layer? A Carbon dioxide B Methane C Chlorofluorocarbons (CFCs) D Sulfur dioxide
5 What is the main objective of greening education? A To increase pollution B To promote environmental awareness and sustainable practices C To encourage deforestation D To increase use of fossil fuels
7 Which human activity contributes significantly to the greenhouse effect? A Planting trees B Burning fossil fuels C Using solar panels D Recycling waste
8 Which principle explains how a solar oven works? A Converting light energy to heat energy B Converting heat energy to light energy C Converting electrical energy to heat energy D Converting chemical energy to light energy
9 Green skills are important for the 21st century because: A They help in creating a sustainable future B They are only needed for environmental scientists C They replace all other skills D They are not related to the environment
10 Which renewable energy source is derived from the ocean's tides? A Solar energy B Wind energy C Tidal energy D Geothermal energy
11 Which of the following human activities contributes most to the increase in greenhouse gases? A Planting trees B Burning fossil fuels C Using solar panels D Recycling waste
12 Which human activity contributes to deforestation? A Planting trees B Building solar panels C Clearing forests for agriculture D Using wind turbines
13 Which material is commonly used to make the reflective surface of a solar oven? A Aluminum foil B Wood C Plastic D Glass
14 Which of the following is a greenhouse gas released by landfills? A Methane B Oxygen C Nitrogen D Helium
15 The process by which plants convert light energy into chemical energy is called: A Respiration B Transpiration C Photosynthesis D Combustion
16 Smog is primarily caused by: A Excessive sunlight B Air pollutants from vehicles and industries C High humidity D Deforestation
17 How does atmospheric pressure change with altitude? A It increases with altitude B It decreases with altitude C It remains constant D It fluctuates randomly
18 Which energy resource is derived from the sea? A Tidal energy B Geothermal energy C Nuclear energy D Coal
19 Green skills are important because they: A Increase pollution B Promote sustainable development C Encourage fossil fuel use D Reduce biodiversity
20 What is the working principle of a solar oven? A It uses electricity to heat food B It concentrates sunlight to convert light energy into heat energy C It burns fuel to generate heat D It uses wind energy to cook food
22 Which of the following is a consequence of global warming? A Rising sea levels B Decreased global temperatures C Expansion of ice sheets D Reduced extreme weather events
23 What is the main advantage of renewable energy sources? A They are cheap to install B They are available in limited quantities C They are sustainable and produce less pollution D They contribute to global warming
24 What is a major impact of global warming on the oceans? A Decrease in sea level B Increase in sea level due to melting ice C Cooling of ocean waters D Increase in ocean salinity
25 Which of the following is a renewable source of energy obtained from the sea? A Tidal energy B Natural gas C Petroleum D Nuclear fuel