Question

Manisha saw an uprooted pea plant. She noticed some swellings on the roots. (a) What name is given to the swelling like structures of roots? (b) Name the bacteria which are present in these swollen structures of roots. What are their functions?​

Answer 1

Answer:

a) Bulb

b) They contain symbiotic bacteria called rhizobia within the nodules, producing nitrogen compounds that help the plant to grow and compete with other plants. When the plant dies, the fixed nitrogen is released, making it available to other plants, and this helps to fertilize the soil.

Answer 2

Answer:

(a) Bulb

(b) They contain symbiotic bacteria called rhizobia within the nodules,producing nitrogen compounds that help the plant to grow and compete with other plants When the plant dies,the fixed nitrogen is released, making it available to other plants,and this helps to fertilize the soil.