LATG 11 QUESTIONS WITH CORRECT
ANSWERS RESPECTIVELY.
Which statement is true when the male and female are housed separately and brought together only for
breeding? ANS -This system is used when males are known to kill the young.
•This system is labor intensive.
•This system is used when males and females are aggressive toward each other
Which statements are true about toe clipping in newborn rodents? ANS -This procedures may affect
the animal's use of the front feet to hold food.
•Anesthesia is recommended if toe clipping will be used.
The two groups of animals in which sperm and eggs are fertilized internally but in which the zygote
develops externally are______________________. ANS -Births and rectiles
Which statements are true about the identification of birds? ANS -•Birds may be identified with a leg
band.
•Birds may be identified with a wing tag
Animals that are free from all demonstrable microorganisms are called: ANS -axenic.
Animals that have a normal intestinal flora but are free of particular organisms are called: ANS -specific
pathogen-free.
The development of the Trexler flexible film isolators marked the beginning of modern gnotobiotic
research. ANS -True
The first functional germ-free animal models were developed by scientists and technicians of the
laboratories of bacteriology at the University of Notre Dame. ANS -True
ANSWERS RESPECTIVELY.
Which statement is true when the male and female are housed separately and brought together only for
breeding? ANS -This system is used when males are known to kill the young.
•This system is labor intensive.
•This system is used when males and females are aggressive toward each other
Which statements are true about toe clipping in newborn rodents? ANS -This procedures may affect
the animal's use of the front feet to hold food.
•Anesthesia is recommended if toe clipping will be used.
The two groups of animals in which sperm and eggs are fertilized internally but in which the zygote
develops externally are______________________. ANS -Births and rectiles
Which statements are true about the identification of birds? ANS -•Birds may be identified with a leg
band.
•Birds may be identified with a wing tag
Animals that are free from all demonstrable microorganisms are called: ANS -axenic.
Animals that have a normal intestinal flora but are free of particular organisms are called: ANS -specific
pathogen-free.
The development of the Trexler flexible film isolators marked the beginning of modern gnotobiotic
research. ANS -True
The first functional germ-free animal models were developed by scientists and technicians of the
laboratories of bacteriology at the University of Notre Dame. ANS -True
