Q10: General Science & Ability MCQ 2009

**The study of how plants and animals interact with one another and with the non-living environment is called as:**A) EcosystemB) SociologyC) EcologyD) Habitat Show Answer Correct Answer: C – Ecology

**The bond of H₂O is:**A) Ionic metallicB) Non-polar covalentC) Polar covalentD) Metallic Show Answer Correct Answer: C – Polar covalent

**As temperature rises, the conductivity of metals:**A) DecreasesB) IncreasesC) Remains unchangedD) None of these Show Answer Correct Answer: A – Decreases

**A shooting star is:**A) SunB) CometC) MeteorD) Asteroid Show Answer Correct Answer: C – Meteor

**The chemical formula for alum is:**A) KAl(SO4)2·12H2OB) KSl(SO4)2·12H2OC) KAl(SO4)2·8H2OD) None of these Show Answer Correct Answer: A – KAl(SO4)2·12H2O