Which of the following statements is incorrect?
A
Infective constituent in viruses is the protein coat
B
Viroid's lack a protein coat
C
Viruses are obligate parasites
D
Prions consist of abnormal folded proteins
Correct option is C. Infective constituent in viruses is the protein coat
Infective constituent of the virus is not the protein coat, but it the nucleic acid, either DNA or RNA
So, the correct answer is 'Infective constituent in viruses is the protein coat'