Advertisements
Advertisements
प्रश्न
The component of air used by green plants to make their food, is ______.
उत्तर
The component of air used by green plants to make their food, is carbon dioxide.
APPEARS IN
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Oxygen : What is the percentage proportion of oxygen in air ? Why is oxygen called active air.
Define the term smog.
Give reason:
When water is heated, we see bubbles rising up.
Give a reason why two different rare (inert) gases find application in advertisement signs and fluorescent bulbs.
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
How to show the presence of carbon-di-oxide in the air?
The air in coastal areas have more oxygen.
Oxygen is used to oxidize ______.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement
Mountaineers carry oxygen ______ with them, while climbing high mountains.
Observe the picture given in Fig. carefully and answer the following questions.
What is covering the nose and mouth of the police man?