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प्रश्न
Tick (√) the most appropriate answer.
Symbiotic bacteria is not present in the nodules of :
विकल्प
gram plant
rice plant
sweet peas plant
peas plant
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उत्तर
rice plant
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संबंधित प्रश्न
Describe a simple experiment to show that l/5th of air is oxygen.
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
Write ‘True’ or ‘False’ in front of following statement.
Enamelling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
State the utility of oxygen for respiration in plants
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air used in photosynthesis is ______ and the products of photosynthesis is oxygen.
Why do we see the sky and air clear and clean after rainfall?
Explain why mountaineers carry oxygen cylinders with them?
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.
Observe the picture given in figure carefully and answer the following questions.
- What is covering the nose and mouth of the police man?
- Why is he putting a cover on his nose?
- Can you comment on air quality of the place shown in the figure?
