Which component is ABSENT in viroids but PRESENT in viruses?
RNA
Protein coat
Genetic material
Infectivity
Related Questions
Viruses are also known as
Nucleoprotein particle
Virion
Lipoprotein particles
Core
Lichens show
Mutualism
Commensalism
Parasitism
Saprophytism
Viruses did not find a place in classification since
They are not truely living
They are non-cellular
They are obligate parasite
They are pathogenic
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
Enzymes are absent in?
Algae
Fungi
BGA
Virus
Tobacco mosaic virus is
Spherical-shaped
Rod-shaped
Cuboidal
Oval-shaped
Which part of an animal virus is not reproduced in multiple copies?
Capsid
Proteins
Envelope
Ribosomes
Analyse the following statements and identify the correct option given below.
I. Viruses that infects plants have single-stranded RNA and viruses that infects animals have either single or double-stranded RNA or double stranded DNA
II. Bacterial viruses or bacteriophase are usually single-stranded RNA viruses
Codes
Both I and II are correct
Only I is partially correct
Only II is correct
Neither I nor II are correct
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
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.