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 most sensitive part of the retina is called the
blindspot
conjuctiva
fovea centralis
choroid coat
sclerotic coat
Correct answer is C
No explanation has been provided for this answer.
Which of the following is the effect of continuous tillage on an ecological system?
Added soil humus
Decreased productivity
Increased yield
Improved fertility
Prevention of erosion
Correct answer is B
No explanation has been provided for this answer.
The maintenance of an organism's constant internal environment is known as
homeostasis
homeorhesis
turgidity
homoiothermy
diuresis
Correct answer is A
No explanation has been provided for this answer.
In which of the following groups is the nephridium found?
Crustaceans
Reptiles
Birds
Mammals
Annelids
Correct answer is E
No explanation has been provided for this answer.
Which of the following statements about the lymphatic system is not correct?
The lymph vessels are always larger in size than the arteries
The flow of lymph is assisted by general muscular movement
Lymph flows only in one direction due to the presence of valves
Lymph is emptied into the blood circulatory system through a vein
Lymph node becomes swollen during serious infections
Correct answer is A
No explanation has been provided for this answer.