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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.
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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.
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संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
_______ gas is used for filling weather observation balloons.
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
Air is a mixture of many _______.
______ is the percentage of nitrogen in air.
_______ can be seen moving in a beam of sunlight in a dark room.
Which gas is essential for burning?
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
