336738
Assertion : Nitrogen is a limiting nutrient for both natural and agricultural ecosystems. Reason : Plants compete with microbes for the limited nitrogen that is available in soil.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Nitrogen is a limiting nutrient for both natural and agricultural ecosystems because plants compete with microbes for the limited nitrogen that is available in soil.
BIOXI12: MINERAL NUTRITION
336739
In nature energy for conversion of nitrogen to nitrogen oxide is provided by
1 Lightning and ultraviolet radiation
2 Industrial coal burning
3 Natural floods
4 Automobile exhausts
Explanation:
In nature, lightning and ultraviolet radiation provide enough energy to convert nitrogen to nitrogen oxides \(\left(\mathrm{NO}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}\right)\).
BIOXI12: MINERAL NUTRITION
336740
Nitrate present in the soil is reduced to nitrogen by the process called as .
1 Nitrification
2 Ammonification
3 Denitrification
4 Amination.
Explanation:
Nitrate present in the soil is also reduced to nitrogen by the process of denitrification. Denitrification is carried by bacteria Pseudomonas and Thiobacillus .
BIOXI12: MINERAL NUTRITION
336741
Assertion : Use of fertilizers greatly enhance productivity Reason : Irrigation is very important in increasing productivity
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Indian soil is deficient with the most common element N,P,K, hence these elements are artificially added to soil through fertilisers.
BIOXI12: MINERAL NUTRITION
336742
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ____.
1 Nitrogen fixation
2 Nitrification
3 Ammonification
4 None of the above.
Explanation:
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ammonification.
336738
Assertion : Nitrogen is a limiting nutrient for both natural and agricultural ecosystems. Reason : Plants compete with microbes for the limited nitrogen that is available in soil.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Nitrogen is a limiting nutrient for both natural and agricultural ecosystems because plants compete with microbes for the limited nitrogen that is available in soil.
BIOXI12: MINERAL NUTRITION
336739
In nature energy for conversion of nitrogen to nitrogen oxide is provided by
1 Lightning and ultraviolet radiation
2 Industrial coal burning
3 Natural floods
4 Automobile exhausts
Explanation:
In nature, lightning and ultraviolet radiation provide enough energy to convert nitrogen to nitrogen oxides \(\left(\mathrm{NO}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}\right)\).
BIOXI12: MINERAL NUTRITION
336740
Nitrate present in the soil is reduced to nitrogen by the process called as .
1 Nitrification
2 Ammonification
3 Denitrification
4 Amination.
Explanation:
Nitrate present in the soil is also reduced to nitrogen by the process of denitrification. Denitrification is carried by bacteria Pseudomonas and Thiobacillus .
BIOXI12: MINERAL NUTRITION
336741
Assertion : Use of fertilizers greatly enhance productivity Reason : Irrigation is very important in increasing productivity
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Indian soil is deficient with the most common element N,P,K, hence these elements are artificially added to soil through fertilisers.
BIOXI12: MINERAL NUTRITION
336742
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ____.
1 Nitrogen fixation
2 Nitrification
3 Ammonification
4 None of the above.
Explanation:
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ammonification.
336738
Assertion : Nitrogen is a limiting nutrient for both natural and agricultural ecosystems. Reason : Plants compete with microbes for the limited nitrogen that is available in soil.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Nitrogen is a limiting nutrient for both natural and agricultural ecosystems because plants compete with microbes for the limited nitrogen that is available in soil.
BIOXI12: MINERAL NUTRITION
336739
In nature energy for conversion of nitrogen to nitrogen oxide is provided by
1 Lightning and ultraviolet radiation
2 Industrial coal burning
3 Natural floods
4 Automobile exhausts
Explanation:
In nature, lightning and ultraviolet radiation provide enough energy to convert nitrogen to nitrogen oxides \(\left(\mathrm{NO}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}\right)\).
BIOXI12: MINERAL NUTRITION
336740
Nitrate present in the soil is reduced to nitrogen by the process called as .
1 Nitrification
2 Ammonification
3 Denitrification
4 Amination.
Explanation:
Nitrate present in the soil is also reduced to nitrogen by the process of denitrification. Denitrification is carried by bacteria Pseudomonas and Thiobacillus .
BIOXI12: MINERAL NUTRITION
336741
Assertion : Use of fertilizers greatly enhance productivity Reason : Irrigation is very important in increasing productivity
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Indian soil is deficient with the most common element N,P,K, hence these elements are artificially added to soil through fertilisers.
BIOXI12: MINERAL NUTRITION
336742
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ____.
1 Nitrogen fixation
2 Nitrification
3 Ammonification
4 None of the above.
Explanation:
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ammonification.
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BIOXI12: MINERAL NUTRITION
336738
Assertion : Nitrogen is a limiting nutrient for both natural and agricultural ecosystems. Reason : Plants compete with microbes for the limited nitrogen that is available in soil.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Nitrogen is a limiting nutrient for both natural and agricultural ecosystems because plants compete with microbes for the limited nitrogen that is available in soil.
BIOXI12: MINERAL NUTRITION
336739
In nature energy for conversion of nitrogen to nitrogen oxide is provided by
1 Lightning and ultraviolet radiation
2 Industrial coal burning
3 Natural floods
4 Automobile exhausts
Explanation:
In nature, lightning and ultraviolet radiation provide enough energy to convert nitrogen to nitrogen oxides \(\left(\mathrm{NO}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}\right)\).
BIOXI12: MINERAL NUTRITION
336740
Nitrate present in the soil is reduced to nitrogen by the process called as .
1 Nitrification
2 Ammonification
3 Denitrification
4 Amination.
Explanation:
Nitrate present in the soil is also reduced to nitrogen by the process of denitrification. Denitrification is carried by bacteria Pseudomonas and Thiobacillus .
BIOXI12: MINERAL NUTRITION
336741
Assertion : Use of fertilizers greatly enhance productivity Reason : Irrigation is very important in increasing productivity
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Indian soil is deficient with the most common element N,P,K, hence these elements are artificially added to soil through fertilisers.
BIOXI12: MINERAL NUTRITION
336742
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ____.
1 Nitrogen fixation
2 Nitrification
3 Ammonification
4 None of the above.
Explanation:
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ammonification.
336738
Assertion : Nitrogen is a limiting nutrient for both natural and agricultural ecosystems. Reason : Plants compete with microbes for the limited nitrogen that is available in soil.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Nitrogen is a limiting nutrient for both natural and agricultural ecosystems because plants compete with microbes for the limited nitrogen that is available in soil.
BIOXI12: MINERAL NUTRITION
336739
In nature energy for conversion of nitrogen to nitrogen oxide is provided by
1 Lightning and ultraviolet radiation
2 Industrial coal burning
3 Natural floods
4 Automobile exhausts
Explanation:
In nature, lightning and ultraviolet radiation provide enough energy to convert nitrogen to nitrogen oxides \(\left(\mathrm{NO}, \mathrm{NO}_{2}, \mathrm{~N}_{2} \mathrm{O}\right)\).
BIOXI12: MINERAL NUTRITION
336740
Nitrate present in the soil is reduced to nitrogen by the process called as .
1 Nitrification
2 Ammonification
3 Denitrification
4 Amination.
Explanation:
Nitrate present in the soil is also reduced to nitrogen by the process of denitrification. Denitrification is carried by bacteria Pseudomonas and Thiobacillus .
BIOXI12: MINERAL NUTRITION
336741
Assertion : Use of fertilizers greatly enhance productivity Reason : Irrigation is very important in increasing productivity
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Indian soil is deficient with the most common element N,P,K, hence these elements are artificially added to soil through fertilisers.
BIOXI12: MINERAL NUTRITION
336742
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ____.
1 Nitrogen fixation
2 Nitrification
3 Ammonification
4 None of the above.
Explanation:
Decomposition of organic nitrogen of dead plants and animals into ammonia is called ammonification.