Chirmi or Gunja are the seeds of a creeper, which come in two colours, red and white. The color of half of its seeds is red or white and the other half is black. There is also a black-seeded Gunja which is extremely rare.

1. Viruses do not find a place in classification because they are not actually considered 'living'.

2. Viruses are non-cellular organisms.

3. The name virus which means poison or poisonous fluid was given by Dmitry Ivanovsky.

4. Viruses cause diseases like mumps, smallpox, shingles and influenza.