Prions

Q. Prions

1. have ss RNA
2. cause diseases only in humans
3. are larger than viruses
4. are abnormally folded proteins

Q. Which of the following cellular components is present in viruses but not in prions?

1. Protein
2. Genetic material
3. Plasma membrane
4. Cell wall

Q.

Difference between virus and viroid is

1. None of the above

2. Both a and b

3. Low molecular weight RNA present in virus but absent in viroid

4. Protein coat absent in viroid but present in virus

Q. How many diseases given here are caused by prions?
Bovine spongiform encephalopathy (BSE), Creutzfeldt Jakob Disease (CJD), Potato spindle tuber disease, Common cold, Rabies

1. Five
2. Four
3. Three
4. Two

Q. $\text{Statement (A):}$ The infectious agent is similar in size to viruses.
$\text{Statement (B):}$ It consists of abnormally folded protein.
Consider the given statements for causal agent of Creutz Feldt Jacob disease in humans and select the correct option.

1. Only (B) is true
2. Both (A) and (B) are true
3. Only (A) is true
4. Both (A) and (B) are false

Q. Synchronous responses to various sensory stimuli are studied by

1. MET
2. EPS
3. ECG
4. EEG