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 greatest influence on a stable ecosystem in nature is exerted by
man
pollution
animals
rainfall
Correct answer is A
No explanation has been provided for this answer.
The highest percentage of energy in an ecosystem occurs at the level of the
secondary consumers
decomposers
producers
primary consumers
Correct answer is C
No explanation has been provided for this answer.
The epiphytic habitat can best be described as
arboreal
estaurine
aquatic
terrestrial
Correct answer is A
No explanation has been provided for this answer.
The factor that least affects food shortages in sub-saharan Africa is
flooding
pests
mixed-cropping
drought
Correct answer is C
No explanation has been provided for this answer.
The Carbon (IV) oxide content of the atmosphere is least affected by
cutting down and clearing forests
forest fires
burning fossil fuels
plant and animal respiration
Correct answer is A
No explanation has been provided for this answer.