Biology
Grade-7
Easy
Question
Microbes fix nitrogen in ______________ in pulse crop.
- Internodes in stem
- Nodules in roots
- Nodes in stem
- None of the above
Hint:
Small bud-like structure that is formed by bacteria in the roots.
The correct answer is: Nodules in roots
- Leguminous plants are a source of pulses in the human diet
- Atmospheric nitrogen cannot be utilized by plants as such
- Nitrogen is converted into its derivatives by a process called nitrogen fixation
- In leguminous plants, the nitrogen fixation occurs through a bacteria called rhizobium which is present in the form of nodules in the roots of the plants
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