Science and Technology Quiz

Which of the following best explains why plants appear green?

• They absorb all wavelengths of light.

• They reflect green light.

• They reflect blue light.

• They absorb green light.

Which statement best describes a renewable energy source?

• It is used once and then discarded.

• It cannot be depleted.

• It is produced by burning fossil fuels.

• It includes nuclear power.

Why do we experience different seasons on Earth?

• Because of the Earth's elliptical orbit.

• Due to variations in the sun's energy output.

• The tilt of the Earth's axis relative to its orbit.

• The Earth's rotation slows down in winter.

In a food web, if the population of herbivores decreases, what is the most likely effect on carnivores?

• Carnivore population increases.

• Carnivores will start eating plants.

• Carnivore population decreases.

• Carnivores are unaffected.

Which is a potential consequence of deforestation on global carbon levels?

• Carbon dioxide levels in the atmosphere decrease.

• Carbon dioxide levels in the atmosphere increase.

• Carbon dioxide levels remain unchanged.

• More oxygen is produced.

Which energy source is the most sustainable in the long term?

• Coal

• Oil

• Solar power

• Natural gas

Which is the most effective method to reduce carbon emissions globally?

• Planting more trees

• Using electric vehicles

• Switching to renewable energy sources

• Reducing plastic use

If you were to design a more efficient electric car, what would be your primary focus?

• Reducing battery weight

• Increasing tire size

• Adding more seats

• Reducing the number of sensors

Which of the following would be an innovative solution to reduce ocean plastic pollution?

• Building more landfills

• Using biodegradable materials for packaging

• Increasing the number of garbage trucks

• Banning all packaging materials

In a forest ecosystem, what is the most likely effect on the population of rabbits if the population of foxes, their primary predator, decreases?

• The rabbit population will decrease.

• The rabbit population will increase.

• The rabbit population will remain stable.

• The rabbit population will go extinct.