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.
Adaptive radiation as illustrated by the variety of forms in insects can be regarded as
behavioral modification
a case of rapid population growth
a physiological process
an evidence of evolution
a population control mechanism
Correct answer is A
No explanation has been provided for this answer.
The precondition for blood tranfusion to an accident victim is
seeking the consent of his parents
ascertaining the religious belief of the victim
cross-matching the blood group of the donor with that of the accident victim
curing the donor of any disease traced in his blood
rewarding the donor with food and money
Correct answer is C
No explanation has been provided for this answer.
The genetic make-up of an organism is described as its
phenotype
genotype
character
chromosome
allele
Correct answer is B
No explanation has been provided for this answer.
A pair of genes that control a trait is described as?
dominant
recessive
allele
variant
hybrid
Correct answer is C
Alleles are different forms of the same gene that are located on the same part of the chromosome.
Alleles contribute to the organism's phenotype (the outward appearance of the organism).
The brain and spinal cord make up the
peripheral nervous system
automatic nervous system
central nervous-system
somatic nervous system
sympathetic nervous system
Correct answer is C
No explanation has been provided for this answer.