Q7: General Science & Ability MCQ 2022

**In the periodic table, elements have been arranged:**A) In order of increasing volumeB) In order of increasing atomic numberC) All of theseD) None of these Show Answer Correct Answer: B – In order of increasing atomic number

**Which are air pollutants?**A) AerosolsB) SewageC) DDTD) Fertilizers Show Answer Correct Answer: A – Aerosols

**What is Hubble classification:**A) Classification of starsB) Classification of planetsC) Classification of galaxiesD) Classification of Earth’s zones Show Answer Correct Answer: C – Classification of galaxies