Certain infectious particles lack nucleic acids yet cause diseases. Which of the following correctly describes the infectious agent and a disease it causes?

Lichen are mutualistic and have symbiotic associations between

Lichens are composite organisms consisting of a fungus and a photosynthetic partner (algae), growing together in a symbiotic relationship Consider the following statements about lichensI. Lichen are very good air pollution indicatorsII. Algal partner and fungal partner live mutuallyIII. Algae prepares food for fungiIV. Fungi provides shelter and absorbs water and minerals for algal partnerWhich of the statements given above are correct?

The advantage of fungus in lichen is

A Teacher was explaining about a physical contact involving almost equal physiological interdependence in two different thalloid forms. He was trying to explain one of the following

The benefit of algae in lichen is

Pick out the wrong statement

A Teacher was explaining about a physical contact involving almost equal physiological interdependence in two different thalloid forms. He was trying to explain one of the following

The symbiotic relationship in a lichen involves a fungus and which other organism?

A term ‘helotism’ is used for the symbiosis of

The advantage of fungus in lichen is