Virus

Q.

Are viruses living or non-living?

Q.

Is the virus prokaryotic or eukaryotic?

Q.

Which of these is not a function of an operating system.

1. Memory management

2. Virus protection

3. Disk management

4. File management

Q.

Do virus have DNA or RNA?

Q.

The genetic material of TMV is

1. double-stranded circular DNA

2. double-stranded linear DNA

3. single-stranded spiral RNA

4. single-stranded straight RNA

Q.

Which of the following is an autotroph?

1. Algae

2. Virus

3. Fungus

4. Man

Q.

Why are viruses called obligatory intercellular parasites?

Q.

Which microbe is the smallest?

Q.

Why is a virus considered non-living?

Q.

What are oncogenic viruses?

Q. Name the following:
A disease caused by the bite of a female Anopheles mosquito.

Q. Are viruses living or non-living? Explain.

Q.

Which of the following statements are true about the viruses?

1. They are free-living.
2. They are obligate parasites.
3. Both (a) and (b)
4. They are Prokaryotic

Q.

Which of the following is not a viral disease?

1. Dengue

2. AIDS

3. Typhoid

4. Influenza

Q.

Gibberellin was first discovered from

1. Fungi

2. Algae

3. Bacteria

4. Root Hairs

Q.

What is the causative agent of Influenza?

1. Myxovirus

2. Alpha virus

3. Barbo virus

4. Rubeola virus

Q.

Who Discovered Gibberellin?

Q.

The full form of AIDS is

1. Acquired immune Deficiency System

2. Acquired immune Disease Syndrome

3. Acquired immediate Deficiency System

4. Acquired immuno Deficiency Syndrome

Q. Virus which infects bacteria are called .

1. TMV
2. HIV
3. bacteriophage

Q.

Is RNA genetic material?

Q.

The correct palindromic sequence of the restriction enzyme, Hind III, is:

1. $$\begin{gathered} AAGCTT \\ TTCGAA \end{gathered}$$

2. $$\begin{gathered} GAATTC \\ CTTAAG \end{gathered}$$

3. $$\begin{gathered} GATATC \\ CTATAG \end{gathered}$$

4. $$\begin{gathered} GGATCC \\ CCTAGG \end{gathered}$$

Q.

The site of aerobic respiration in the bacterial cell wall is:

1. episome

2. mesosome

3. ribosome

4. mitochondria

Q. Why can't viruses reproduce outside the host organism?

Q.

What are the living properties of viruses?

Q.

Which virus is DNA virus?

Q. Define a Microscope.

Q. Which one of the following statements about viruses is correct?

1. Viruses possess their own metabolic system
2. All viruses contain both RNA and DNA
3. Viruses are obligate parasites
4. Nucleic acid of viruses is known as capsid

Q.

How do prions propagate and replicate themselves?

Q. Which among the following are DNA viruses?

1. Mumps virus
2. Polio virus
3. Pox virus
4. Hepatitis B virus

Q.

Write one important characteristic of virus.