set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 1 EXERCISES
The following question based on biofertilizer topic of general science mcq
(a) Using the slow release of nitrogen fertilizer
(b) Use of split application
(c) Use of nitrogen inhibitors
(d) All of the above
The correct answers to the above question in:
Answer: (d)
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Read more biofertilizer Based General Science Questions and Answers
Question : 1
Azolla is
a) Aquatic bacteria
b) Aquatic Fern
c) Aquatic algae
d) None of the above
Answer »Answer: (b)
Question : 2
Blue-green algae are chiefly used as biofertilizer in the crop of
a) Paddy
b) Wheat
c) Gram
d) Mustard
Answer »Answer: (a)
Question : 3
Aquatic Fern, which is used as a biofertilizer is
a) Marsilia
b) Salvinia
c) Azolla
d) Pteridium
Answer »Answer: (c)
Question : 4
Azolla is often used as biofertilizer because it is associated with
a) Fungus
b) Blue-green algae
c) Red algae
d) Moss
Answer »Answer: (b)
Question : 5
Which bacteria is responsible for nitrogen fixation in soyabean?
a) Rhizobium fajioleai
b) Rhizobium leguminosarum
c) Rhizobium japonicum
d) Rhizobium traitolai
Answer »Answer: (c)
Question : 6
Which one of the following is not correctly matched? Nitrogen fixing Crop agent
a) Azotobacter - Wheat
b) Blue-green algae - Paddy
c) Rhizobium - Pea Leguminisarum
d) Azolla – Maize
Answer »Answer: (d)
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