Q7: General Science & Ability MCQ 2021
**Which atmospheric layer contains ions and helps in wireless communications?**A) ThermosphereB) StratosphereC) IonosphereD) None of these Show Answer Correct Answer: C – Ionosphere
**Which atmospheric layer contains ions and helps in wireless communications?**A) ThermosphereB) StratosphereC) IonosphereD) None of these Show Answer Correct Answer: C – Ionosphere
**A covalent bond is between two atoms when they:**A) Share 1 or more protonsB) Share 1 or more electronsC) Both A and BD) None of these Show Answer Correct Answer: B – Share 1 or more electrons
**The weight of an object on the Moon is ___ the weight of the object on Earth:**A) 1/6thB) 1/7thC) 1/8thD) None of these Show Answer Correct Answer: A – 1/6th
**What is the name of tropical cyclones in the China Sea?**A) TyphoonB) TornadoC) HurricaneD) None of these Show Answer Correct Answer: A – Typhoon
**Rotation of the Earth causes:**A) DayB) NightC) Both A and BD) None of these Show Answer Correct Answer: C – Both A and B
**The Spanish influenza of 1918-19 was caused by which influenza virus?**A) H1N2B) H3N1C) H1N1D) None of these Show Answer Correct Answer: C – H1N1
**Artificial noise is a:**A) VibrationB) Vocal cordC) Both A and BD) None of these Show Answer Correct Answer: A – Vibration
**The example of cold-blooded animals is/are:**A) Crow, cobra, frogB) Frog, pigeon, wall lizard, earthwormC) Penguin, salamander, monkeyD) None of these Show Answer Correct Answer: D – None of these (Frog, cobra, wall lizard, salamander)
**A collection of system programs that controls and coordinates the overall operations of a computer system is called:**A) Operating SystemB) CPUC) SoftwareD) None of these Show Answer Correct Answer: A – Operating System
**One of the main functions of the Earth’s ozone layer is to:**A) Prevent global warmingB) Filter out ultraviolet raysC) Absorb pollutionD) All of the above Show Answer Correct Answer: B – Filter out ultraviolet rays
End of content
End of content