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 these has the most complex level of organization?
Euglena
Hydra
Heart
Virus
Correct answer is C
No explanation has been provided for this answer.
All the following organelles have membranes except
nucleus
vacuole
cell membrane
cell wall
Correct answer is C
No explanation has been provided for this answer.
The hydra has two body layers of cells called
ectodermis and enteron
ectodemt and endoderm
endodermis and dermis
epidermis and dermis
Correct answer is B
No explanation has been provided for this answer.
Which of the following best describes a colony of volvox?
Asexually reproduced cells held together in a mass, but independent of each other
Sexually reproduced cells held together in a mass, and dependent on each other
Single free-living acellular units irrespective of their parental origin
Several units of cells, held together by cytoplasmic strands and dependent on each other
Correct answer is A
No explanation has been provided for this answer.
Amoeba obtains its oxygen requirements
from oxidising food substances
from air trapped in vacuoles
through diffusion of air into its body
through an air cavity in the ectoplasm
Correct answer is C
No explanation has been provided for this answer.