Which one of the following produces nitrogen fixing nodules on the roots of Alnus ??
1. Beijernickia
2. Rhizobium
3. Frankia
4. Rhodospirillum

Subtopic:  Genetics & Biochemistry of Nitrogen Fixation |
 81%
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NEET - 2022
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Which one of the following process is responsible for the release of \(N_2\) in the atmosphere? 
1. Industrial Nitrogen fixation 
2. Ammonification 
3. Denitrification 
4. Biological nitrogen fixation 

Subtopic:  Nitrogen Metabolism |
 75%
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NEET - 2022
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Which of the following pair of micronutrients would help in the light phase of photosynthesis to help in the reaction leading to oxygen evolution? 
1. Zinc and Chlorine 
2. Manganese and Molybdenum 
3. Molybdenum and Iron 
4. Manganese and Chlorine

Subtopic:  Mineral Function |
 76%
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NEET - 2022
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Match List-I with List-II
List-I List-II
(a) Porins (i) Pink coloured nodules
(b) leg haemoglobin (ii) Lumen of thylakoid
(c) H+ accumulation (iii) Amphibolic pathway
(d) Respiration (iv) Huge pores in outer membrane of mitochondria

Choose the correct answer from the options given below :
(a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2. (iv) (i) (ii) (iii)
3. (iii) (iv) (ii) (i)
4. (ii) (iv) (i) (iii)
Subtopic:  Nodule formation |
 89%
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NEET - 2022
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Which of the following protects nitrogenase inside the root nodule of a leguminous plant ?
1. Catalase
2. leg haemoglobin
3. Transaminase
4. Glutamate dehydrogenase
Subtopic:  Nitrogen Fixation | Nodule formation |
 90%
From NCERT
NEET - 2022
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Which of the following pair represents free living nitrogen fixing aerobic bacteria?
1. Rhizobium and Frankia
2. Azotobacter and Beijernickia
3. Anabaena and Rhodospirillum
4. Pseudomonas and Thiobacillus
Subtopic:  Nitrogen Fixation | Nodule formation |
 73%
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NEET - 2022
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Match List - I with List - II
List I List II
(a) Manganese (i) Activates the enzyme catalase
(b) Magnesium (ii) Required for pollen germination
(c) Boron (iii) Activates enzymes of respiration
(d) Iron (iv) Functions in splitting of water during photosynthesis
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iii) (i) (ii) (iv)
2. (iii) (iv) (i) (ii)
3. (iv) (iii) (ii) (i)
4. (iv) (i) (ii) (iii)
Subtopic:  Mineral Function |
 74%
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Which micronutrient is required for splitting of water molecule during photosynthesis?
1.Copper 2.Manganese 
3.Molybdenum 4.Magnesium 
Subtopic:  Mineral Function |
 62%
From NCERT
NEET - 2023
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Match List I with List II 
List I List II
A. Iron I. Synthesis of auxin
B. Zinc II. Component of nitrate reductase
C. Boron III. Activator of catalase
D. Molybdenum IV Cell elongation and differentiation

Choose the correct answer from the options given below:
 
Options: A B C D
1. II IV I III
2. III II I IV
3. II III IV I
4. III I IV II
Subtopic:  Mineral Function |
 60%
From NCERT
NEET - 2023
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Which of the following mineral ion is not remobilized in plants?
1.Potassium2.Calcium
3.Nitrogen4.Phosphorus
Subtopic:  Mineral Deficiency & Toxicity |
 72%
From NCERT
NEET - 2023
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