Question Detail Ozone is present in which of the following layers ? MesosphereStratosphereMesosphereThermosphere Answer: Option B Similar Questions : 1. The thickness of earth Crust is about ? 25 Km30 Km35 Km40 Km Answer: Option B 2. Which planet is also known as Red planet ? MercuryMarsVenusJupiter Answer: Option B 3. Which city is also known as "Eternal City" ? Cape TownOsloRomeTokyo Answer: Option C 4. What is the depth of Mariana Trench ? 11,011 metres11,022 metres10,994 metres11,044 metres Answer: Option CExplanation:Mariana Trench is world's deepest trench with depth of 10,994 meters (36,070 feet). 5. Among following which gas availability is more in atmosphere ? OxygenArgonCarbon dioxideNitrogen Answer: Option DExplanation:Nitrogen - 78 % Oxygen - 21 % Argon - 0.93% Carbon dioxide - 0.03% Read more from - Geography Questions Answers