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.
The blood component that has the greatest affinity for oxygen is the
lymphocytes
leucocytes
erythrocytes
thrombocytes
Correct answer is C
No explanation has been provided for this answer.
The barrier between maternal and fetal blood is the?
placenta
liver
umbilical cord
uterine wall
Correct answer is A
No explanation has been provided for this answer.
Mycorrhiza promotes plant growth by?
absorbing inorganic ions from the soil
protecting it from infection
helping it to utilize atmospheric nitrogen
serving as a growth regulator
Correct answer is A
Mycorrhizal fungi allow plants to draw more nutrients and water from the soil.
They also increase plant tolerance to different environmental stresses.
A food chain always begins with a
consumer
decomposer
producer
primary consumer
Correct answer is C
No explanation has been provided for this answer.
lll
ll
l
IV
Correct answer is D
Ameoba and paramecium are examples of Protozoa.
An Ameoba gets rid of excess water that enters its cell by using a Contractile Vacoule.