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27 questions
21
Biofertilizer
Easy
+1.0
-0.33
The capability of nitrogen use efficiency can be increased in crop production by–
22
Biofertilizer
Easy
+1.0
-0.33
Nitrogen fixing bacteria make combination with cells of the root of which?
23
Biofertilizer
Easy
+1.0
-0.33
Which of the following are nitrogen-fixing plants? 1. Alfalfa 2. Amaranth 3. Chickpea 4. Clover 5. Purslane (Kulfa) 6. Spinach
24
Biofertilizer
Easy
+1.0
-0.33
Which of the following plants is not helpful in nitrogen fixation?
25
Biofertilizer
Easy
+1.0
-0.33
Which bacteria is responsible for nitrogen fixation in soybean?
26
Biofertilizer
Easy
+1.0
-0.33
Leg-haemoglobin is found in–
27
Biofertilizer
Easy
+1.0
-0.33
Which among the following animal is called as – 'Ploughers of the soil'?