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.
a tropical rain forest
a guinea savanna
a sahel savanna
an estuarine swamp
Correct answer is B
A transect is usually used to investigate a gradual change in a habitat rather than to simply estimate the number of organisms within it.
The characteristics of the Guinea Savanna include:
the largest of all vegetation belts in Nigeria;
tall grasses;
few scattered trees.
The excessive use of agro-chemicals could lead to the pollution of
the lithosphere
the atmosphere
fresh water
space
Correct answer is C
No explanation has been provided for this answer.
The addition of lime to clay soil serves to
aid water retention
close up the texture
prevent water logging
improve capillary action
Correct answer is D
No explanation has been provided for this answer.
The supporting tissue in xylem is most poorly developed in
mangrove swamp plants
grassland plants
submerged water plants
desert plants
Correct answer is C
No explanation has been provided for this answer.
1.2 per m²
2.4 per m²
4.8 per m²
9.6 per m²
Correct answer is A
No explanation has been provided for this answer.