Page 42 - Agronomy-Soil.Sci-Horticulture objective AFO

3. Microbial immunization

4. Microbial fraction

5. Microbial deposition

d. Microbial fraction

Q. Which of the following soil properties does not change by

cropping and cultivation: (IBPS AFO Mains AFO 2013)

1. Silt content

2. Clay content

3. Sand content

4. Soil texture

5. All of these

All of these

Any soil properties can’t be changed by cropping and cultivation

Q. Which among the following components of organic matter
present in the soil is the most resistant to decomposition: (IBPS

AFO Mains AFO 2013) Soil Science MCQ FOR IBPS AFO

1. Humus

2. Cellulose

3. Oxygen

4. Starch

5. None of these

Humus

Q. Plants capable of growing in rocks crevices are called as:

(IBPS AFO Mains AFO 2014)

1. Halophytes

2. Lithophytes

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