undergone an agglutination test
been asked for the blood group
been screened for HIV
undergone malaria test
Correct answer is A
The basic technique in identification of the antigens and antibodies of blood groups is the agglutination test and can be done to prevent the clumping of the red blood cell. The symptom is due to clumping due to incompatible blood transfusion.
OO
AO
BO
AA
Correct answer is C
The blood types A and AB can receive blood from blood types A and O but not B. Hence, if there was a problem after transfusion, it was most likely to be from BO.
Conservation of wildlife is necessary mainly because
wild species cannot resist disease better than their domesticated species
many predator wild animals help in the control of pests
it prevents extinction of species
many people derive pleasure from observing wild animals
Correct answer is C
Wildlife conservation is necessary for the prevention of the extinction of wildlife. It helps with the preservation of these wild animals.
Which of the following diseases is caused by a bacterium?
ringworm
poliomyelitis
syphilis
malaria
Correct answer is C
Syphilis is caused by a bacterium known as Trepenoma pallidum. It is majorly sexually transmitted.
When large numbers of organisms share limited space and resources, the immediate result is
extinction
emigration
competition
immigration
Correct answer is C
Competition in a territory is as a result of a hassle for the available resources within the territory. For instance, when the water in a river seems to be drying out, the organisms in the water begin to compete for the water.