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 term syncarpous is used to describe a flower when the carpels are
many and fused
two only
two and separate
many and free
lying at different parts of a flower
Correct answer is A
No explanation has been provided for this answer.
The following are directly involved in transmitting sound waves to the brain except
eardrum
auditory meatus
auditory ossicles
eustachian tube
cochlea
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements is false?
Human sense of smell is easily fatigued
The skin can perceive the sensations of touch, pain, pressure, and temperature
Taste buds and olfactory cells are active when wet as well as when dry
Sensory nerve endings receive stimuli and send to the central nervous system
Senses of smell and taste can be weakened by catarrh or blocked nose
Correct answer is A
No explanation has been provided for this answer.
Which of the following is the correct route to transmit impulses along a reflex arc?
Receptor → sensory neuron → synapse → intermediate neuron → synapse → motor neuron → effector
Receptor → motor neutron synapse → intermediate neuron → synapse → sensory neuron effector
Receptor → synapse → sensory neuron → intermediate neuron → synapse → effector → motor neuron
Effector → motor neuron → synapse → sensory neuron → synapse → intermediate neuron → receptor
Effector → intermediate neuron → synapse → motor neuron → synapse → sensory neuron → receptor
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not a function of insulin?
Accelerates the rate at which glucose is converted to glycogen
Promotes the uptake of glucose by tissues
Regulates the amount of glucose in the blood
Accelerates the absorption of glucose at the glomerulus
Stimulates muscles to oxidize glucose
Correct answer is E
No explanation has been provided for this answer.