General Science and Ability

**Radar receives waves called:**A) Electromagnetic wavesB) Mechanical wavesC) Radio wavesD) None of these Show Answer Correct Answer: C – Radio waves

**Plaster of Paris is obtained from:**A) BrochantiteB) GypsumC) ChalcanthiteD) None of these Show Answer Correct Answer: B – Gypsum

**Phosphorus helps plant growth of:**A) LeavesB) SeedsC) RootsD) None of these Show Answer Correct Answer: C – Roots

**The blue color of the sky is due to:**A) Rayleigh scatteringB) Mie scatteringC) Sky saturationD) None of these Show Answer Correct Answer: A – Rayleigh scattering

**Newspaper can be recycled:**A) 5 to 7 timesB) 5 timesC) 4 timesD) None of these Show Answer Correct Answer: A – 5 to 7 times

**Blood clotting happens in which part of the human body?**A) VeinsB) HeartC) BrainD) None of these Show Answer Correct Answer: D – None of these (Blood vessels, including veins and arteries)

**The lens used to correct short-sightedness is:**A) Concave polygonB) Concave prescription lensesC) Concave mirrorD) None of these Show Answer Correct Answer: B – Concave prescription lenses

**The catalyst to convert oil into ghee is:**A) NickelB) Aluminum isopropoxideC) Phosphonium borateD) None of these Show Answer Correct Answer: A – Nickel

**The gas used for artificial ripening of green fruit is:**A) EthyleneB) EthaneC) Carbon dioxideD) Acetylene Show Answer Correct Answer: A – Ethylene

**The conversion of oil into ghee is:**A) CrystallizationB) HydrogenationC) OxidationD) None of these Show Answer Correct Answer: B – Hydrogenation