Page 41 - Agronomy-Soil.Sci-Horticulture objective AFO

2. Calcite

3. Iron oxide

4. Glauconite

5. None of these

b. Calcite

Q. VAM is an alternative to inorganic fertilizer, VAM is: (IBPS

AFO Mains AFO 2013)

a. Azotobacter

b. Nitrogen-fixing bacteria
c. PSB

d. Mycorrhiza
e. Azospirillum

Mycorrhiza

Q. Which of the following is a saturated fatty acid? (IBPS AFO

Mains AFO 2013) Soil Science Important MCQ FOR IBPS AFO

1. Palmitic acid

2. Hydrochloric acid

3. Boric acid

4. Salicylic acid

5. None of these

a. Palmitic acid

Q. Ammonium fraction in the soil is due to: (IBPS AFO Mains
AFO 2013)

1. Microbial assumption

2. Soil exchange reaction

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