Besides paddy fields, cyanobacteria are also found inside vegetative part of :
1. Cycas
2. Equisetum
3. Psilotum
4. Pinus

Archaebacteria differ from eubacteria in:
1. Cell membrane structure
2. Mode of nutrition
3. Cell shape
4. Mode of reproduction

Five kingdom system of classification suggested by R.H. Whittaker is not based on:
1. Presence or absence of a well defined nucleus
2. Mode of reproduction
3. Mode of nutrition
4. Complexity of body organisation

The motile bacteria are able to move by:

Which of the following shows coiled RNA strand and capsomeres?
1. Polio virus
2. Tobacco mosaic virus
3. Measles virus
4. Retro virus

Viruses have :
1. DNA enclosed in a protein coat
2. Prokaryotic nucleus
3. Single Chromosome
4. Both DNA and RNA

Which one of the following matches is correct?

True nucleus is absent in :
1. Mucor
2. Vaucheria
3. Volvox
4. Anabaena

The guts of cow and buffalo possess:
1. Chlorella spp.
2. Methanogens
3. Cyanobacteria
4. Fucus spp.

Pick the wrong statement:
1. Protista have photosynthetic and heterotrophic modes of nutrition
2. Some fungi are edible
3. Nuclear membrane is present in Monera
4. Cell wall is absent in Animalia