Which characteristic distinguishes viroids from viruses?
Presence of RNA
Ability to infect plants
Lack of a protein coat
Small size
Related Questions
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psamosere
Xerosere
Prions differ from viroids as the former has/is
DNA as genetic material
Low molecular weight RNA
Proteinaceous in nature
Obligate parasite
The genetic material of AIDS virus is
Double stranded DNA
Double stranded RNA
Single stranded RNA
Single stranded DNA
Which statement is incorrect?
Plant virus contains RNA
Animal virus contains DNA
T_4 contains dsDNA
TMV contains dsRNA
Lichens are ecologically important as they
Purify air
Are pioneers of ecological succession on Barren Rocks
Are symbionts of algae and fungi
Are Associated with Mycorrhizal roots
The genetic material of viruses consists of
ds or ss DNA only
ds or ss RNA only
DNA or RNA (both ds and ss)
ssDNA or ssRNA and
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
Which of the following can not be grown on artificial culture medium?
Eschaerichia Coli
TMV
Aspergillus
Yeast
The genetic material of rabies virus is
Double stranded RNA
Single stranded RNA
Double stranded DNA
Single stranded DNA
The agents which are known to cause CJD are
Protein particles
A class of bacteria
A class of viruses
Fungi
