Advertisements
Advertisements
प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
विकल्प
take in oxygen and give out carbon dioxide
take in carbon dioxide and give out oxygen
take in nitrogen and give out oxygen
none of the above
Advertisements
उत्तर
take in carbon dioxide and give out oxygen
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
_____________ discovered the oxygen gas.
State two similarities and two differences between respiration and burning.
What is air pollution?
Fill in the blank
Although we cannot see air, we can ___it.
State what do you understand by the term ‘air’. Explain its importance to mankind.
What is meant by the term ‘atmosphere’? State the role played by the atmosphere for the survival of mankind.
A mixture has a variable composition. Give three other reasons why air is considered a mixture and not a compound.
Name the following.
Gases that are harmful to the ozone layer
What is global warming?
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
The ______ makes the windmill rotate.
