How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
Secondary thickening in dicotyledonous stem is controlled by the
xylem
phloem
cambium
pericycle
Correct answer is C
No explanation has been provided for this answer.
If a child can receive blood from all donors , he belongs to the blood group
O
A
B
AB
AS
Correct answer is D
No explanation has been provided for this answer.
Blood platelets are important because they are
amoeboid and nucleated
produce antitoxins
produce antibodies
digest harmful bacteria
release thrombin for blood clothing
Correct answer is E
No explanation has been provided for this answer.
The vein which returns blood from the head and arms to the heart is called
aorta
inferior vena cava
superior vena cava
pulmonary vein
pulmonary artery
Correct answer is C
No explanation has been provided for this answer.
The function of lymph nodes is to
supply oxygen
filter out bacteria
form red blood cells
supply amino acids
supply simple sugars
Correct answer is B
No explanation has been provided for this answer.