1. Match the following columns:
Column I (Rhizobium sp.)
Column II (Crops)
a. R. lupini
1. Lupine group
b. R. trifoli
2. Clover group
c. R. japonicum
3. Soybean
d. R. meliloti
4. Alfa-alfa
| Column I (Rhizobium sp.) | Column II (Crops) |
| a. R. lupini | 1. Lupine group |
| b. R. trifoli | 2. Clover group |
| c. R. japonicum | 3. Soybean |
| d. R. meliloti | 4. Alfa-alfa |
2. Urea contains . . . . . . . . nitrogen
3. Effective particle diameter for Ion exchange is
4. Amino acids produced during Photorespiration is
5. Which of the following condition is suitable for denitrification?
6. From top 25% of effective root zone depth how much quantity of total water extraction take place by roots
7. Aromaticity is highest in
8. Wind blown materials, comprised primarily of silt with some fine sand and clay, are called
9. Area (Mha) under physical degradation (water logged) in india is
10. Match the following columns:
Column I (Available nutrients)
Column II (Extractant)
a. Boron
1. 0.15% CaCl2 Solution
b. Nitrogen
2. Hot water
c. Sulpher
3. Alkaline KMNO4
| Column I (Available nutrients) | Column II (Extractant) |
| a. Boron | 1. 0.15% CaCl2 Solution |
| b. Nitrogen | 2. Hot water |
| c. Sulpher | 3. Alkaline KMNO4 |
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