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.
Refrigeration, as a method of preservation, has ONE of the following characteristics:
Kills all the bacteria
Kill most of the bacteria
Makes the bacteria inactive
Dries food
Hydrolyses food
Correct answer is C
No explanation has been provided for this answer.
Which of the vertebra has a projection called odontoid process?
Atlas
Axis
Thoracic
Lumber
Caudal
Correct answer is B
The AXIS has a large centrum which projects forward as the odontoid process.
If a healthy potted plant is continuously kept in dim light
the rate of respiration may equal that of photosynthesis
more carbondioxide and water are taken in
respiration may be halted
the volume of oxygen released increases
Correct answer is A
No explanation has been provided for this answer.
Which of the following pairs are the products of sucrose hydrolysis?
Glucose + glucose
Fructose + fructose
Glucose + fructose
Galactose + glucose
Fructose + galactose
Correct answer is C
No explanation has been provided for this answer.
The main function of the swim-bladder is for
Swimming
Detecting sound
Buoyancy
Breathing
Reproduction
Correct answer is C
No explanation has been provided for this answer.