MCQ
Bacteria found in root nodules of legumes are
- ANitrobacter
- BNitrosomonas
- ✓Rhizobium
- DAzotobacter
The fixed nitrogen is absorbed by the plant.
In return, the plant provides food and shelter to bacteria.
Such an association is called mutualistic symbiosis.
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$I.$ $AIDS$ patient become easily infected by bacteria, viruses and even parasites
$II.$ The person is unable to protect himself against any infection
$III.$ National $AIDS$ Control Organisation $(NACO)$ and non-governmental organization are trying their best to educate people about $AIDS$
Which of the statements given above are correct?