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?
I, II and III
II, III and IV
I, II and IV
I, II, III and IV
Related Questions
Common cold is a
Bacterial disease
Viral disease
Protozoan disease
Fungal disease
One of the following are very good pollution Indicator
Fungi
Bacteria
Lichens
Gold 8
Which of the following statements is INCORRECT regarding viroids?
They are smaller than viruses.
They are infectious RNA molecules.
They lack a protein coat.
They contain a protein coat.
Infectious proteins are present in
Gemini viruses
Prions
Viroids
Satellite viruses
TMV and HIV are having
DNA
Both DNA and RNA
RNA
Proteins Only
The viruses are non cellular organisms that are charactarised by
Absence of Nucleic acid
An active structure outside the living cell
An inert crystalline structure outside the cell
Their hyper activity outside the cell
Which of the following can not be grown on artificial culture medium?
Eschaerichia Coli
TMV
Aspergillus
Yeast
Infectious proteins are present in
Gemini viruses
Prions
Viroids
Satellite viruses
Which is correct?
RNA is genetic material of bacteria
RNA is genetic material of all virus
DNA is genetic material of some organism
Some virus has RNA as genetic material
The benefit of algae in lichen is
Food for fungi
Shelter
Mineral absorption
Protection
