Biology questions
20584 published questions with worked solutions.
- The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals include the
- Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as...
- Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are...
- In five kingdom system, the main basis of classification is
- Most of the lichens consist of
- Which of the following is free-living aerobic non-photosynthetic nitrogen-fixing bacterium?
- Genophore/bacterial genome or nucleoid is made of
- What is the genetic material in influenza virus?
- Five kingdom system of classification suggested by R.H. Whittaker is not based on
- Viroids differ from viruses in having
- Which of the following components provides sticky character to the bacterial cell?
- Adhesive pad of fungi penetrate the host with the help of
- What are the sex organs provided in some bacteria?
- Difference in gram positive and gram negative bacteria is due to
- During replication of a bacterial chromosome, DNA synthesis starts from a replication origin site and
- Pigment containing membranous extensions in some cyanobacteria are
- In bacteria, plasmid is
- In the five kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen...
- The cyanobacteria are also referred to as
- The motile bacteria are able to move by