Biological Classification Question 122
122. The causative agent of mad-cow disease is a
(a) Prion
(b) Worm
(c) Bacterium
(d) Virus
Show Answer
Answer : a
Hints & Solutions
(a) Mad cow disease is actually Bovine Spongiform Encephalopathy or BSE. In this disease cattles in Britain got spongy brain & ultimately gradual degradation of nervous system. It is caused by some virus like but nucleic acid devoid proteinaceous particles called prions (proteinaceous infectious particle).
