Q1 · medium · AI-verified
Which of the following is an example of a NON-biodegradable waste?
- Plastic bags
- Vegetable peels
- Fallen leaves
- Cotton cloth pieces
Q2 · medium · AI-verified
Which of the following is the BEST example of water conservation in daily life?
- Watering garden plants in the afternoon
- Keeping the tap running while washing utensils
- Turning off the tap while brushing teeth
- Using a hose pipe to wash a car daily
Q3 · medium · AI-verified
Which of the following is a non-renewable source of energy?
- Hydropower
- Solar energy
- Wind energy
- Coal
Q4 · hard · AI-verified
In India, 'Project Tiger' was launched to conserve tigers and their habitat. In which year was it launched?
- 1973
- 1980
- 1992
- 1965
Q5 · medium · AI-verified
Which layer of the Earth's atmosphere protects us from the Sun's harmful ultraviolet (UV) rays?
- Stratosphere (excluding ozone layer)
- Mesosphere
- Troposphere
- Ozone layer