- 1(current)
Q. No.Mad cow disease in cattle and Cr Jacob disease in humans are due to infection by__________________ .
| 1. | Bacterium | 2. | Virus |
| 3. | Viroid | 4. | Prion |
Subtopic: Virus, Viroids & Prions |
80%
Level 1: 80%+
NEET - 2022
Hints
Which of the following statements is correct?
1. Lichens do not grow in polluted areas.
2. Algal component of lichens is called mycobiont.
3. Fungal component of lichens is called phycobiont.
4. Lichens are not good pollution indicators.
Subtopic: Virus, Viroids & Prions |
87%
Level 1: 80%+
NEET - 2019
Hints
Links
Which of the following statements is incorrect?
| 1. | Prions consist of abnormally folded proteins |
| 2. | Viroids lack a protein coat |
| 3. | Viruses are obligate parasites |
| 4. | Infective constituent in viruses is the protein coat |
Subtopic: Virus, Viroids & Prions |
81%
Level 1: 80%+
NEET - 2019
Hints
Links
Select the wrong statement:
| 1. | The viroids were discovered by D.J lvanovsky. |
| 2. | W.M. Stanley showed that viruses could be crystallized. |
| 3. | The term 'contagium vivum fluidum' was coined by MW Beijerinck. |
| 4. | Mosaic disease in tobacco and AIDS in human beings are caused by viruses. |
Subtopic: Virus, Viroids & Prions |
82%
Level 1: 80%+
NEET - 2015
Hints
Which statement is wrong for viruses?
| 1. | All are parasites |
| 2. | All of them have helical symmetry |
| 3. | They have the ability to synthesize nucleic acids and proteins |
| 4. | Antibiotics have no effect on them |
Subtopic: Virus, Viroids & Prions |
55%
Level 3: 35%-60%
AIPMT - 2012
Hints
- 1(current)
Q. No.
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