CBSE Class 11 (Arts) Atmosphere — practice questions
20 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 (Arts) Atmosphere in the app →How many layers make up the atmosphere?The lowermost layer of the atmosphere is the:Which layer contains the ozone layer?Dust particles and water vapour are found mainly in the:The zone separating troposphere from stratosphere is the:The upper limit of the mesosphere is called the:Air density is highest:The troposphere reaches what height at the equator?The troposphere reaches what height at the poles?Why is the troposphere thickest at the equator?The stratosphere extends up to a height of about:The mesosphere extends up to a height of about:Temperature at the mesopause falls to about:Air temperature at the tropopause over the equator is about:Which layer contains electrically charged ions?Dust particles act as nuclei for:Carbon dioxide and water vapour keep the earth:Which layer lies directly above the stratosphere?Higher concentrations of dust are found in which regions?Air density with increasing altitude: