A
B
AB
OO
Correct answer is C
No explanation has been provided for this answer.
All their sons will be haemophilic
all their daughters will be haemophilic
All their daughters will be carriers
all their sons will be carriers
Correct answer is C
No explanation has been provided for this answer.
Malaria symptoms are caused by
toxins released into the blood as a result of the destruction of red blood cell
the multiplication of the malaria sporozoites in the liver
the invasion of the red blood cells by the trophozoites
the development of merozoites into gametocytes
Correct answer is B
Once you're bitten by the female anopheles, the parasite enters the bloodstream and travels to the liver. The infection develops in the liver before re-entering the bloodstream and invading the red blood cells.
The soil with the finest particles is called
silt
clay
sand
gravel
Correct answer is B
No explanation has been provided for this answer.
on a seashore with flat terrains
where a river meets the sea
on a mud flat near the sea
where two rivers meet
Correct answer is B
No explanation has been provided for this answer.