Q.61)-Which gas is found in maximum quantity in lower atmosphere?
- Hydrogen
- Carbon dioxide
- Oxygen
- Nitrogen
Q.62)-What is the percentage of Nitrogen in atmosphere of the Earth?
- 0.94
- 0.03
- 78.03
- 85.02
Q.63)-What is the name of the layer above Earth' surface which is located at the height of 8km from poles and 16km from the equator?
- Mesosphere
- Atmosphere
- Troposphere
- Stratosphere
Q.64)-The total number of layers above Earth are-
- 4
- 5
- 2
- 3
Q.65)-Which of the following is located at the minimum height from the Earth?
- Stratosphere
- Mesosphere
- Thermosphere
- Troposphere
Q.66)-The layer of atmospherewhich reflects radio waves is-
- Ionosphere
- Troposphere
- Stratosphere
- Exosphere
Q.67)-At which height, the gaseous surrounding has covered the Earth's atmosphere?
- 100km
- 150km
- 200km
- 300km
Q.68)-The heat from Sun to Earth is called as-
- Temperature Radiation
- Insolation
- Emitted Heat
- Solar Radiation
Q.69)-In which layer, temperature increases dramatically?
- Ionosphere
- Exosphere
- Stratosphere
- Troposphere
Q.70)-Troposphere is the most warm part of the atmosphere because-
- It is closer to the Sun
- It contains charged particles
- It gets warm from the heat of the surface of the Earth
- It produces heat
