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.
In mammalian development, the function of the yolk is to
supply nutrients to the embryo
act as the shock-absorber to the foetus
supply air to the embryo
facilitates the process of excretion in the foetus
Correct answer is A
No explanation has been provided for this answer.
Double fertilization in higher plants is significant because it ensures the
formation of a fertile embryo
formation of a fertile embryo and the endosperm
development of the seed
development of the fruit
Correct answer is B
No explanation has been provided for this answer.
What enzymes are contained in the pancreatic juice?
Ptayalin, lipase, and pepsin
Maltase, erepsin, and trypsin
Renin, sucrase, and lipase
Amylase, lipase, and trypsin
Correct answer is D
No explanation has been provided for this answer.
The bone of the neck where the skull rests is known as the
odontoid process
axis
atlas
occipital condyle
Correct answer is C
No explanation has been provided for this answer.
The excretory organ in insects is the
kidney
malpighian tubule
flame cell
nephridium
Correct answer is B
No explanation has been provided for this answer.