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Science Practice Quiz 263
10 questions · 12 minutes
12:00
Q1.What did the Supreme Court order in 1998 regarding public transport vehicles in Delhi?
Explanation: The Supreme Court had ordered all public transport vehicles using diesel were to switch to Compressed Natural Gas (CNG).
Q2.What was the result of the Supreme Court's order to switch to CNG in Delhi?
Explanation: As a result of this move, air pollution in cities like Delhi came down considerably.
Q3.According to a recent report by the Center for Science and Environment, what causes high levels of toxic substances in Delhi's air?
Explanation: This is due to emissions from cars run on diesel (rather than petrol) and a sharp increase in the number of cars on the road.
Q4.Which hazardous industry is mentioned as growing rapidly in South Asia?
Explanation: Ship-breaking is another hazardous industry that is growing rapidly in South Asia.
Q5.What is resource conservation?
Explanation: Using resources carefully and giving them time to get renewed is called resource conservation.
Q6.What is sustainable development?
Explanation: The text defines sustainable development as balancing the need to use resources and also conserve them for the future.
Q7.What did Mona and her friends make from old newspapers and discarded clothes?
Explanation: The children made packets and shopping bags out of old newspapers and discarded clothes.
Q8.What is the source of electricity?
Explanation: Mustafa says, 'Electricity comes from water and coal,' as mentioned in the source text.
Q9.Why did Jessy say she would be careful not to waste paper?
Explanation: Jessy explains, 'Many trees are cut down to make paper,' as stated in the text.
Q10.What did Asha say about water?
Explanation: In the source text, Asha says 'Every drop of water is precious'.
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