Viruses that infect bacteria multiply and cause their lysis are called:
Lysozyme
Lytic
Lipolytic
Lysogenic
In bacterial chromosomes the nucleic acid polymers are:
Linear DNA molecule
Circular DNA molecules
Of two types - DNA and RNA
Linear molecules
Which is the correct sequence of phases of growth curve for bacteria.
Lag, log, stationary, decline
Lag, log, stationary.
Stationary, lag, log.
Decline, lag, log.
Trypanosoma belongs to which class?
Sarcodina
Zooflagellata
Sporozoa
Ciliata
Bacterial leaf blight of rice is caused by a species of:
Xanthomonas
Pseudomonas
Alternaria
Erwinia
Interferons are synthesized in response to:
Mycoplasma
Bacteria
Virus
Fungi
During the formation of bread, it becomes porous due to the release of CO2 by the action of:
Yeast
Protozoans
Which of the following statements is correct about bacterial transduction?
Transfer of some genes from one bacteria to another bacteria through virus
Transfer of genes from one bacteria to another bacteria by conjugation
Bacteria obtained directly
Bacteria obtained DNA from other external source
Which of the following parts facilitates excretion in Amoeba?
Pseudopodia
Plasma membrane
Lysosome
Contractile vacuole
Which of the following is the vector for sleeping sickness?
House fly
Tse-tse fly
Sand fly
Fruit fly
