General Science and Ability

**Which refrigerant is commonly used in cold storage in our country?**A) EthyleneB) CarbideC) Liquid ammoniaD) Sodium benzoate Show Answer Correct Answer: C – Liquid ammonia

**Those at greatest risk for food-borne illness include:**A) Infants and childrenB) Pregnant womenC) Immuno-suppressed individualsD) All of the above Show Answer Correct Answer: D – All of the above

**One of the following is a water-soluble vitamin:**A) Vitamin AB) Vitamin DC) Vitamin CD) None of these Show Answer Correct Answer: C – Vitamin C

**Which of the following does not vary predictably with the depth of the aquatic environment?**A) SalinityB) TemperatureC) Penetration by sunlightD) None of these Show Answer Correct Answer: A – Salinity

**The mango variety having a strong flavor is:**A) SindhriB) ChaunsaC) LangraD) None of these Show Answer Correct Answer: C – Langra

**The ozone layer protects the Earth from ___ by the Sun:**A) Ultraviolet raysB) Infrared raysC) Gamma raysD) None of these Show Answer Correct Answer: A – Ultraviolet rays

**Proteins are made up of:**A) PolynucleotideB) PolypeptideC) OxyacetyleneD) None of these Show Answer Correct Answer: B – Polypeptide

**The ozone layer is present in the atmosphere in which layer?**A) ExosphereB) MesosphereC) StratosphereD) None of these Show Answer Correct Answer: C – Stratosphere

**The pineapple variety suitable for canning is:**A) QueenB) KewC) MauritiusD) None of these Show Answer Correct Answer: B – Kew

**The stone used in whitewash is:**A) LimestoneB) SandstoneC) GraniteD) None of these Show Answer Correct Answer: A – Limestone