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 topmost layer of a typical soil profile is
clay
coarse sand
fine sand
gravel
humus
Correct answer is E
No explanation has been provided for this answer.
A dehiscent fruit formed from several fused carpels with man seeds is classified as a/an
achene
capsule
caryopsis
follicle
legume
Correct answer is B
No explanation has been provided for this answer.
Liver destroys old red blood cells to produce digestive substance called
amalyse
bile
insulin
lipase
rennin
Correct answer is B
No explanation has been provided for this answer.
What will the phenotypic ratio when a tall pea plant (TT) is crossed with a short pea plant (Tt)?
0:04
1:03
2:02
3:01
4:00
Correct answer is E
The phenotypic ratio will be two homozygous tall and two heterozygous tall...
That implies that all four offsprings will come out tall.
Loamy soil - is used for crop production because of its
high humus content
high percentage of clay
high porosity
low gravel content
low humus content
Correct answer is A
No explanation has been provided for this answer.