Biology questions
20584 published questions with worked solutions.
- Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?
- *Mycorrhiza* is correctly described as
- The protists have
- Lichens are well known combination of an alga and a fungus where fungus has
- The pathogen *Microsporum* responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of
- A few organisms are known to grow and multiply at temperatures of 100-105°C. They belong to
- Organisms which are indicator of SO₂ pollution of air
- Viruses possess
- Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the Kingdom
- Tobacco mosaic virus (TMV) genes are
- Methanogens belong to
- Which one of the following is wrong for fungi?
- Photosynthetic bacteria have pigments in
- The DNA of *E. coli* is
- The main difference in Gram(+)ve and Gram(-)ve bacteria resides in their
- An important criterion for modern day classification is
- For retting of jute the fermenting microbe used is
- Cell wall was absent in
- DNA replication in bacteria occurs
- Which one of the following statements about viruses is correct?