Biological Clas...

The smallest disease causing agent is :-

"Scrapie" disease of cattles is caused by :-

Which part of a virus enters into its host :-

A mixture of prions, bacteria & mycoplasma are boiled in a test tube at 100'C for some time which of these would present as such :–

Longest plant virus is :-

Smallest plant virus is :-

Viruses largely lack metabolic machinery of their own to generate energy or to synthesize

Stanley got the nobel prize for :-

Cryptogram of TMV is :-

Phage particles are used as
(a) Radiation detector
(b) Scavengers
(c) Models in genetic research

In which of the following DNA is not present :-

Which of the following is correct for a virus :-

Which of the following is not a viral disease :-

Which one of the following pair is related to viral disease :-

HIV attack :-

Chicken pox is caused by :-

Viral envelope (which is out side the protein coat) is composed of :-

Ganga water does not undergo decay due to the presence of :-

Bacteriophage is similar to a fungus & bacterium in having :-

HIV is  :-

The site where the protein coat (capsid) is synthesized is :-

Which of the following is true for a virus :-

Nucleic acid in HIV :-

[CBSE-1998]

Transduction in bacteria carried out by :-

[CBSE-1998]

During viral infection the protein formed in host cells to resist is-

[CBSE-2000]

Interferons are synthesized in response to

[CBSE-2001]

Cauliflower mosaic virus contains :–

[CBSE-2001]

Which statement is correct for bacterial transduction :-

[CBSE-2002]

Tobacco mosaic virus is a tubular filament of size :-

[CBSE-2003]

Which of the following statements is not true for retroviruses :-

[CBSE-2004]