General Science and Ability

**For making a laser, usually we use:**A) UraniumB) RubyC) IronD) None of these Show Answer Correct Answer: B – Ruby

**Which of the following is involved in blood clotting?**A) SodiumB) MagnesiumC) CalciumD) None of these Show Answer Correct Answer: C – Calcium

**Argon laser is used for operating on:**A) Eye cancerB) GlaucomaC) Bone diseasesD) None of these Show Answer Correct Answer: B – Glaucoma

**Deficiency of chloride causes impaired growth in:**A) AnimalsB) InfantsC) PlantsD) None of these Show Answer Correct Answer: C – Plants

**When we move from left to right in the second period, the atomic number of the element:**A) IncreasesB) DecreasesC) Decreases then increasesD) None of these Show Answer Correct Answer: A – Increases

**The major part of natural gas, petroleum, and coal consists of:**A) Carbon DioxideB) ChlorineC) CFCD) Methane Show Answer Correct Answer: D – Methane

**Generally in a given period in the periodic table, as we move from left to right, the electropositive character of elements:**A) IncreasesB) DecreasesC) Decreases then increasesD) None of these Show Answer Correct Answer: B – Decreases

**Which of the following are the two numbers in a “binary code”?**A) 0 and 9B) 1 and 3C) 0 and 1D) None of these Show Answer Correct Answer: C – 0 and 1

**Bill Gates is more well-known as:**A) The CEO of Apple MacintoshB) The CEO of IBMC) The owner of Microsoft CorporationD) None of these Show Answer Correct Answer: C – The owner of Microsoft Corporation

**1024 bytes is equal to:**A) One kilobyteB) One megabyteC) One gigabyteD) One terabyte Show Answer Correct Answer: A – One kilobyte