Advertisements
Advertisements
प्रश्न
Arrange the following statements in correct sequence
- Plants manufacture food by a process called photosynthesis.
- Plants require energy for their growth.
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- Such oxygen is available to animals and human beings for breathing.
- During this process, oxygen is released by plants.
Advertisements
उत्तर
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants require energy for their growth.
- Plants manufacture food by a process called photosynthesis.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- During this process, oxygen is released by plants.
- Such oxygen is available to animals and human beings for breathing.
APPEARS IN
संबंधित प्रश्न
“Air is a mixture”. Support this statement citing at least three evidences.
Tick (√) the most appropriate answer.
Symbiotic bacteria is not present in the nodules of :
Give a reason why two different rare (inert) gases find application in advertisement signs and fluorescent bulbs.
Compare respiration and combustion-both involving oxygen of the air.
Soda bottle bursts sometimes when it is opened during summer. Why?
How do astronauts breathe when they go beyond the earth’s atmosphere?
Nitrogen is essential for burning.
What is the presence of harmful substance in the air called?
Explain carbon dioxide and its uses.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Nitrogen
