Q15: Pakistan Affairs MCQ 2009

**In water pollution, industries are said to be the:**A) Line sourcesB) Point sourcesC) Area sourcesD) None of these Show Answer Correct Answer: B – Point sources

**Which of the following elements is not present abundantly in Earth’s crust?**A) SiliconB) RadiumC) CarbonD) None of these Show Answer Correct Answer: B – Radium

**Milk is pasteurized:**A) To kill bacteriaB) To keep it coolC) To eradicate impuritiesD) None of these Show Answer Correct Answer: A – To kill bacteria