A person likely to develop tetanus is immunised by administering
dead germs
preformed antibodies
wide spectrum antibiotics
wide spectrum antibiotics
B.
preformed antibodies
In passive immunity, the antibodies are produced in some other organism (eg, horse) in response to the given antigen,.These antibodies are then injected into the human body at the time of need. This is known as inoculation, eg, persons infected by tetanus, rabies, Salmonella and snake venom are given the sufficient amount of antibodies, so that they can survive.
The common nitrogen -fixer in paddy field is
Rhizobium
Azopirillum
Oscillatoria
Oscillatoria
Biochemical Oxygen Demand (BOD) in a river water
remains unchanged when algal bloom occurs
has no relationship with the concentration of oxygen in the water
gives a measure of Salmonella in the water
gives a measure of Salmonella in the water
Which of the following is not used as a biopesticide?
Trichoderma harzianum
Nuclear Polyhedrosis virus (NPV)
Nuclear Polyhedrosis virus (NPV)
A common biocontrol agent for the control of plant diseases is
Baculovirus
Bacillius thuringiensis
Glomus
Glomus
