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प्रश्न
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
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उत्तर
Symbiotic bacteria are present in nodules of pod bearing plants such as peas, grams, etc.
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संबंधित प्रश्न
Tick (√) the most appropriate answer.
Symbiotic bacteria is not present in the nodules of :
Classify Carbon monoxide. Also give a balanced equation to prepare it.
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
Name the following:
A process which removes carbon dioxide from the air.
Tabulate the various components of air, including the components with variable composition.
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
Mention one necessary condition for the combustion to take place.
______ is the main component of air.
Carbon dioxide gas is ______ in nature.
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?
