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.
In genetics, linkages refer to the linking of genes of the
same chromosomes
different chromosomes
same nucleus
different nuclei
Correct answer is A
A linkage refers to the presence of two different genes on the same chromosome.
Which of the following statements is not a reason to conserve wildlife?
Attracting tourists into the country
Serving as a source of food
Serving as a source of income
increasing the amount of rainfall
Correct answer is D
No explanation has been provided for this answer.
Which of the following human activities would help prevent endangered species from extinction?
Uncontrollably killing species
Regularly clearing forest vegetation
Temporarily maintaining species in zoological gardens
Regularly irrigating their natural habitats
Correct answer is C
No explanation has been provided for this answer.
The absence of an alimentary canal in the parasitic flatworm can be attributed to the fact that
its body does not feed
it has no enzymes
its body absorbs digested food
it has suckers on the scolex
Correct answer is C
No explanation has been provided for this answer.
The following organisms are plant pests except
birds
nematodes
bacteria
rodents
Correct answer is C
No explanation has been provided for this answer.