Biology questions and answers

Biology Questions and Answers

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.

2,826.

Adaptive radiation as illustrated by the variety of forms in insects can be regarded as

A.

behavioral modification

B.

a case of rapid population growth

C.

a physiological process

D.

an evidence of evolution

E.

a population control mechanism

Correct answer is A

No explanation has been provided for this answer.

2,827.

The precondition for blood tranfusion to an accident victim is

A.

seeking the consent of his parents

B.

ascertaining the religious belief of the victim

C.

cross-matching the blood group of the donor with that of the accident victim

D.

curing the donor of any disease traced in his blood

E.

rewarding the donor with food and money

Correct answer is C

No explanation has been provided for this answer.

2,828.

The genetic make-up of an organism is described as its

A.

phenotype

B.

genotype

C.

character

D.

chromosome

E.

allele

Correct answer is B

No explanation has been provided for this answer.

2,829.

A pair of genes that control a trait is described as?

A.

dominant

B.

recessive

C.

allele

D.

variant

E.

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).

2,830.

The brain and spinal cord make up the

A.

peripheral nervous system

B.

automatic nervous system

C.

central nervous-system

D.

somatic nervous system

E.

sympathetic nervous system

Correct answer is C

No explanation has been provided for this answer.