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 the simplest living organism?
Paramecium
Virus
Amoeba
Chlamydomonas
Correct answer is B
If viruses, prions, satellites, nanobes, nanobacteria (non-free-living sub-bacterial organisms) are excluded, the simplest free-living organism known is Mycoplasma genitalium, with a genome of only 580,000 base pairs and 482 protein-coding genes.
The spinneret found in the caterpillar of butterfly is used for
protection against predators
feeding on vegetation
movement on twigs
production of silk thread
Correct answer is D
No explanation has been provided for this answer.
Which of the following is an agent of pollination of grasses?
Insects
Water
Wind
Mammals
Correct answer is C
No explanation has been provided for this answer.
Which of the following vertebrates incubate their eggs?
Mammals
Birds
Amphibians
Reptiles
Correct answer is B
No explanation has been provided for this answer.
In mammals, fertilization usually occurs in the
cervix
vagina
uterus
oviduct
Correct answer is D
No explanation has been provided for this answer.