Question
Explain the various types of viruses with examples.

Answer

Viruses are categorized as:

1. Plant virus: Virus that infect plants, e.g. Tobacco mosaic virus, Cauliflower mosaic virus, Potato virus.

Tobacco mosaic virus

2. Animal virus: Virus that infect animals, e.g. Adenovirus, Retrovirus(HIV), Influenza virus, Poliovirus.

Adenovirus

3. Bacteriophages: Virus that infect bacterial cells, e.g. T4 bacteriophage.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Draw the cell diagram of Daniel cell. Give its reactions.
How are vitamins useful to us? Tabulate the sources, deficiency diseases and symptoms of fat soluble vitamins
Higher Order Thinking Skill.

Imagine that student A studied the importance of certain factors in photosynthesis. He took a potted plant and kept it in dark for 24 hours. In the early hours of the next morning, he covered one of the leaves with dark paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
  1. What aspect of photosynthesis was being investigated? 
  2. Why was the plant kept in the dark before the experiment? 
  3. How will you prove that starch is present in the leaves?
  4. Name the raw materials needed for photosynthesis.
Name the causative agent of typhoid in humans. How does the pathogen gain entry into the human body? Write the diagnostic symptoms and mention the organ that is affected in severe cases.
Explain the history of computers.
S.No.Type of saltsExample
1)Normal salts-? SamacheerKalvi.Guide
2)?-NaHSO_(4)
3)Basic salt-?
4)?-KAl(SO_(4))_(2)12H_(2)O
Give a comparative account of various drugs with their application and examples.
List out the adaptations of xerophytes.
Discuss how diseases are categorised
During an experiment, a signal from a spaceship reached the ground station in five seconds. What was the distance of the spaceship from the ground station? The signal travels at the speed of light that is $3 \times 10^8 ms ^{-1}$