Recap|Rhizopus Fungus|Symbiotic Association|How Nutrients Are Replenished In The Soil|Exercise|OMR

Recap|NCERT Exercise|OMR

True symbiotic association between fungus and seed plant is

Lichens-The symbiotic association of fungus and algae.

Symbiotic association between fungus and root of higher plant is

Recap|NCERT Exercise|NCERT Exercise|OMR

Lichen is formed by symbiotic association between an alga and a fungus.

A symbiotic association between fungus and underground part of plant is

Identify the microorganism i A soil inhabiting bacteria that forms symbiotic association with the roots of leguminous plants. Ii A cyanobacteria that forms symbiotic association with an aquatic fern. Iii A methaneogenic bacteria used in the production of biogas.

Assertion : To replenish the lost nutrients in the soil, quick acting, handy nutrients are applied in the form of fertilisers. Reason : Chemical fertiliser contains the necessary plants nutrients.

Name any two natural methods for replenishing nutrients in the soil.