A. It contains 85-90% of the atmosphere’s mass
B. It contains nearly all the water and oxygen of the atmosphere
C. It is the zone which exhibits changes in condition of weather
D. It is about 350 km thick
Submitted by: Mansoor Ul Haque
Related Mcqs:
- Troposphere extends from planetary surface to bottom of __________?
A. Stratosphere
B. Mesosphere
C. Troposphere
D. ThermosphereSubmitted by: Muhammad Abdullah
- The height of the troposphere varies between ____________.
A. 7 km at equator and 17 km at poles
B. 17 km at equator and 7 km at poles
C. 18 km at equator and 8 km at poles
D. 8 km at equator and 18 km at polesSubmitted by: Muhammad Abdullah
- _________ extends from the top of the troposphere to the bottom of the mesosphere.
A. Thermosphere
B. Ionosphere
C. Stratosphere
D. None of the aboveSubmitted by: Muhammad Abdullah
- Rain drops fall from great height Which among the following statements is true regarding it?
A. they fall with that ultimate velocity, which are different for different droplets
B. they fall with same ultimate velocity
C. their velocity increases and they fall with different velocity on the earth
D. their velocity increases and they fall with same velocity on the earthSubmitted by: Abid Hussain
- Which of the following statements is true when we see ‘rainbow’ ?
A. We face sun and raindrops
B. The Sun remains behind us and we face raindrops
C. In light rainfall, we face Sun
D. The sky remains clear and the sun is at lower position in the skySubmitted by: Abid Hussain
- All of the following statements are incorrect except:
A. Precision and accuracy should go side by side in a scientific work
B. Scientific work must be precise, accuracy is not essential
C. Scientific work must be accurate, precision is not essential
D. Calculations must be made before any experimentSubmitted by: Mansoor Ul Haque
- “Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that _______________?
A. Nothing is impossible
B. Quinoline is an inhibitor
C. Quinoline is a catalyst
D. Quinoline is an activatorSubmitted by: Mansoor Ul Haque
- Which from the following is true for “Sound”?
A. Sound cannot travel through a vacuum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot travel through solids - Which statement about sound is true?
A. Sound can’t travel through vacuum
B. Sound can’t travel through glass
C. Sound can’t travel through water
D. Non of thesesSubmitted by: Daniyal Rehman
- Which one of the following is true?
A. The moon has both atmosphere and magnetic field
B. The moon has no atmosphere or magnetic field
C. The moon has atmosphere but no magnetic field
D. The moon has magnetic field but no atmosphereSubmitted by: Muhammad Abdullah