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.
Which of the following is NOT a family planning method?
abstinence
contraceptive device
masturbation
sterilization
use of condoms
Correct answer is C
No explanation has been provided for this answer.
The excretory organ of earthworms is known as
contractile vacuole
flame cell
malphigian tubule
nephridium
kidney
Correct answer is D
No explanation has been provided for this answer.
The genotype of a species with respect to a particular trait can be determined by carrying out
a back cross with a pure stock known to be recessive for that trait
a cross between two F generations that are heterozygous for the trait
a testcross with a pure stock known to be dominant for the trait
in-breeding among the members of the species
out-breeding with an exotic variety of the species
Correct answer is A
No explanation has been provided for this answer.
Soil fertility is NOT conserved by
continuous cropping
contour ridging
Crop rotation
Mulching
Terracing
Correct answer is A
No explanation has been provided for this answer.
Cambium
Epidermis
Phloem
Sclerenchyma
Xylem
Correct answer is C
No explanation has been provided for this answer.