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 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.
35%
16%
46%
23%
Correct answer is C
No explanation has been provided for this answer.
Salts and water are absorbed in the roots and transported to leaves by
diffusion through the xylem tissues
osmosis through the phloem tissues
diffusion through the phloem tissues
osmosis through the xylem tissues
Correct answer is D
No explanation has been provided for this answer.
galactose
starch
sucrose
glucose
Correct answer is B
No explanation has been provided for this answer.