Q. Which of following never have their DNA associated with histone proteins?

View solution

Q. Streptomyces is soil-dwelling species of which of following bacterial types?

View solution

Q. Rhizobium belongs to which of following proteobacteria subgroup?

View solution

Q. Borrelia burgdorferi causes which of following diseases?

View solution

Q. Which of following is an example of nitrogen-fixing bacteria?

View solution

Q. Which of following are harmful proteins secreted by bacteria?

View solution

Q. Chemotaxis is movement of a cell-based on which stimulus?

View solution

Q. From which of following Chemotroph organisms obtain energy?

View solution

Q. Which of following scientists invented Gram stain technique?

View solution

Q. Cocci present in chains are called

View solution

Q. Prokaryotic cells typically have a diameter of about how many micrometers?

View solution

Q. Methanogens release which of following compounds as a by-product of their metabolism?

View solution

Q. Hfr cell has F factor in its

View solution

Q. How many prokaryotic species have been assigned names so far by scientists?

View solution

Q. Appendages that pull two cells together is called

View solution

Q. Rhizobium resides in roots of which of following plants?

View solution

Q. Which of following is used for respiration in facultative anaerobes if oxygen is absent?

View solution

Q. An ecological relationship in which one participant benefits and other is not affected is called

View solution

Q. Chromosome of a prokaryote is located in

View solution

Q. Which of following elements is important in production of amino acids?

View solution