alleryStart learning →The atmosphere contains a life-giving gas for plants, which is:
APure nitrogen
BPure hydrogen
CPure methane
DCarbon dioxide
Answer & Solution
Correct answer: D. Carbon dioxide
1. The air serves animals and plants differently.
2. Oxygen serves humans and animals.
3. Carbon dioxide is the life-giving gas for plants.
_Source: syllabus Geography, 'Composition and Structure of Atmosphere' (kegy207)_
Keep practising Atmosphere
Browse all Atmosphere questions for ICSE Class 9, or explore more Geography topics.
Related questions
The boundary at the top of the troposphere is called the:For humans and animals, the life-giving gas of the atmosphere is:Within the ionosphere, temperature:The one important feature that sets the stratosphere apart is that it:Dust particles and water vapour are concentrated in which layer?The mesosphere lies directly above the:In the dry and cold areas of desert and poles, water vapour may be:In the warm and wet tropics, water vapour may account for: