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

Q. Which of following is needed by obligate aerobes to respire?

View solution

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

View solution

Q. Neisseria gonorrhoeae causes which of following?

View solution

Q. Cells containing F plasmid act as which of following during conjugation?

View solution

Q. Which of following bacteria attacks other bacteria by attaching to their surface molecules?

View solution

Q. Resistant form of bacteria that is dormant is called

View solution

Q. From which of following heterotroph organisms obtain energy?

View solution

Q. Chloroplasts have been hypothesized to be driven from which of following bacteria?

View solution

Q. Parasites that cause disease are called

View solution

Q. Which of following bacteria are only bacteria known to lack cell walls?

View solution

Q. A handful of soil can contain an estimate of about how many prokaryotic species?

View solution

Q. Rubrivivax bacteria belong to which of following subgroups of proteobacteria?

View solution

Q. From which of following autotroph organisms obtain energy?

View solution

Q. An ecological relationship in which one participant benefits and other is harmed is called

View solution

Q. In process of nitrogen fixation, nitrogen is converted in to which of following?

View solution