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 axial skeleton is found in the
skull, ribs, vertebral column, and breast bone
skull, humerus, vertebral column, and ribs
breastbone, clavicle, ribs, and vertebral column
femur, sternum, ulna, and skull
Correct answer is A
No explanation has been provided for this answer.
In insects, the structure that performs the same function as the kidney in man is the?
nephridrium
flame cell
malphigian tubule
trachea
Correct answer is C
No explanation has been provided for this answer.
The enzymes of the glycolytic pathway are located in the?
mitochondria
gastric juice
plasma
cytoplasm
Correct answer is D
Glycolysis is a metabolic pathway that does not require oxygen for the breakdown of glucose into pyruvate or pyruvic acid by enzymes in the cytoplasm of the cell.
Then the NADH + H+ generated by glycolysis has to be transferred to the mitochondrion to be oxidized, and thus regenerate the NAD+ necessary for glycolysis to continue.
Which of the following describes the sequence of blood flow from the heart to a tissue?
Heart→ artery→ arteriole →tissue
heart→ vein →venule →tissue
heart →venule→ vein →tissue
heart →arteriole →artery →tissue
Correct answer is A
No explanation has been provided for this answer.
The part of the alimentary system of a bird where food is ground into small particles is the?
cloaca
stomach
crop
gizzard
Correct answer is D
The gizzard is the mechanical stomach of a bird. It is located just after the true or glandular stomach in the gastrointestinal system. Since poultry have no teeth and swallow food whole, this muscular organ, sometimes called hen's teeth, mechanically grinds and mixes the bird's feed.