Which of the following statements is not correct?
Food shortage may be caused by pestilence, rinderpest, and neglected farming
Shortage of food may lead to competition, emigration, death, and decline in the reproduction rate
Over-crowding may lead to food scarcity
Dispersal of seeds and fruits prevents overcrowding
Territorial defence encourages food scarcity in a habitat
Correct answer is E
No explanation has been provided for this answer.
Which of the following structures are characteristics of insect pollinated flowers?
Dull coloured flowers without nectar
Very light numerous and pendulous stamen
Brightly coloured petals, scented nectar
Flowers are usually small and inconspicuous
Stigma are large, feathery, and hang outside the flower
Correct answer is C
No explanation has been provided for this answer.
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.