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 |
 79%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following is correct about viroids?

1. They have free RNA without protein coat.

2. They have DNA with protein coat.

3. They have free DNA without protein coat.

4. They have RNA with protein coat.

Subtopic:  Virus, Viroids & Prions |
 83%
From NCERT
NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 78%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Mad cow disease in cattle is caused by an organism which has:

1. Inert crystalline

2. Abnormally folded protein

3. Free RNA without protein coat

4. Free DNA without protein coat

Subtopic:  Virus, Viroids & Prions |
 77%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh