Nutrient Management

Q. Rhizobium is present in which of the following parts of the plant?

1. Stem
2. Root
3. Leaf
4. Flower

Q. Which of the following can be utilised to make the compost?

1. Plastic waste
2. Organic waste
3. Cracked metals
4. Broken glassware

Q.

In the symbiotic relationship between a bacteria and leguminous plant, which of the following statements is true?

1. Bacteria provide $N_2$ and the plant roots provide Carbon
2. Roots provide $N{H}_4$ and bacteria provide Carbon
3. Bacteria provide $N{H}_4$ and the roots provide Carbon
4. Bacteria provide $N_2$ and the roots provide $N{H}_4$