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8.Microbes in Human Welfare
medium
If wheat field is inoculated with Rhizobium
A
Soil will become nitrogen rich
B
No effect on soil nitrogen
C
Soil will be depleted of nitrogen
D
Soil will become rich in calcium
Solution
(b)Because Rhizobium bacteria live symbiotically in root nodules of legumes and some non-legumes.
Standard 12
Biology
Similar Questions
Match the columns :
| Column – $I$ | Column – $II$ |
| $(a)$ Mycrrohiza | $(1)$ Rhizobium |
| $(b)$ Bt | $(2)$ Nucleopolyhydro virus |
| $(c)$ Root nodules | $(3)$ Phosphorus |
| $(d)$ Baculo virus | $(4)$ Bt -Cotton |
easy
