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Table of contents

1. Introduction to Biology(0)
2. Chemistry(0)
3. Water(0)
4. Biomolecules(0)
5. Cell Components(0)
6. The Membrane(0)
7. Energy and Metabolism(0)
8. Respiration(0)
9. Photosynthesis(0)
10. Cell Signaling(0)
11. Cell Division(0)
12. Meiosis(0)
13. Mendelian Genetics(0)
14. DNA Synthesis(0)
15. Gene Expression(0)
16. Regulation of Expression(0)
17. Viruses(23)
- Viruses(23)
18. Biotechnology(0)
19. Genomics(0)
- Genomes(0)
20. Development(0)
21. Evolution by Natural Selection(0)
- Descent with Modification(0)
22. Evolution of Populations(0)
- Hardy-Weinberg Model(0)
- Genetic Variation(0)
23. Speciation(0)
- Species(0)
24. History of Life on Earth(0)
- History of Life on Earth(0)
25. Phylogeny(0)
- Phylogeny(0)
26. Prokaryotes(0)
27. Protists(0)
28. Plants(0)
29. Fungi(0)
- Fungi(0)
- Fungi Reproduction(0)
30. Overview of Animals(0)
- Overview of Animals(0)
31. Invertebrates(0)
32. Vertebrates(0)
33. Plant Anatomy(0)
34. Vascular Plant Transport(0)
- Water Potential(0)
35. Soil(0)
- Soil and Nutrients(0)
- Nitrogen Fixation(0)
36. Plant Reproduction(0)
- Flowers(0)
- Seeds(0)
37. Plant Sensation and Response(0)
38. Animal Form and Function(0)
39. Digestive System(0)
- Digestion(0)
- Blood Sugar Homeostasis(0)
40. Circulatory System(0)
41. Immune System(0)
42. Osmoregulation and Excretion(0)
- Osmoregulation and Excretion(0)
43. Endocrine System(0)
- Endocrine System(0)
44. Animal Reproduction(0)
- Animal Reproduction(0)
45. Nervous System(0)
- Neurons and Action Potentials(0)
- Central and Peripheral Nervous System(0)
46. Sensory Systems(0)
- Sensory System(0)
47. Muscle Systems(0)
- Musculoskeletal System(0)
48. Ecology(0)
- Ecology(0)
49. Animal Behavior(0)
- Animal Behavior(0)
50. Population Ecology(0)
- Population Ecology(0)
51. Community Ecology(0)
- Community Interactions(0)
- Community Structure(0)
52. Ecosystems(0)
- Ecosystems(0)
53. Conservation Biology(0)
- Conservation Biology(0)

17. Viruses

Viruses Practice Problems

17. Viruses

Viruses Practice Problems

23 problems

1PRACTICE PROBLEM

Which class of virus has a linear, positive-sense single-stranded RNA genome?

2PRACTICE PROBLEM

Which of the following best describes why a vaccine against HIV has not been developed?

3PRACTICE PROBLEM

Which of the following is not capable of producing viral proteins when injected alone into a suitable host cell?

4PRACTICE PROBLEM

How is the viral genome introduced into the host cell?

5PRACTICE PROBLEM

Which of the following statements about the Zika virus is true?

6PRACTICE PROBLEM

A virus only infects a specific host species and only specific cells within that host. The explanation for this specificity is the

7PRACTICE PROBLEM

_________ refers to the dormant state in which viruses stop replicating and thus avoid a strong and effective immune response in the host.

8PRACTICE PROBLEM

Identify the correct sequence of replication of the Zika virus:

9PRACTICE PROBLEM

Provided the following features, identify the correct option which includes all features associated with the Zika virus.

M. Zika virus gets its name from the Zika forest in Uganda

N. Zika is primarily spread by Mosquito

O. One of the effects of the Zika virus is Microcephalic children

P. Zika virus is a DNA virus

Q. Zika fever is caused by the zika virus

10PRACTICE PROBLEM

______cleaves the polyprotein at several specific sites to generate mature viral proteins.

11PRACTICE PROBLEM

Which one is not a feature of viruses?

12PRACTICE PROBLEM

The enveloped viruses mostly belong to which group?

13PRACTICE PROBLEM

Which of the following correctly explains why antibiotics are ineffective against viral infections?

14PRACTICE PROBLEM

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) belongs to which of the following categories?

15PRACTICE PROBLEM

Which of the following statements about the bacteriophage is incorrect?

16PRACTICE PROBLEM

Which of the following enzymes catalyse the conversion of RNA sequences into complementary DNA sequences?

17PRACTICE PROBLEM

Which one of the following is not true about viruses:

18PRACTICE PROBLEM

Identify the true statment/s regarding class-IV viruses and their replicative cycle:

19PRACTICE PROBLEM

Given that the H5N1 avian flu virus may spread internationally from person to person, it is viewed as a

20PRACTICE PROBLEM

If host cells lack enzymes that can replicate the viral genome, RNA viruses therefore:

21PRACTICE PROBLEM

All of the following are the factors responsible for the origin of emerging viruses except

22PRACTICE PROBLEM

A bacterium E.coli is infected with an experimentally constructed T4 bacteriophage. The new phages produced would have:

23PRACTICE PROBLEM

Out of the following features, functions, or processes what is shared by all bacteria and viruses?

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