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.
The part of a domestic fowl responsible for preventing heat loss is the?
filoplume
contour feather
down feather
quill
Correct answer is C
Down feathers are those that help keep the bird's body warm. They are soft and fluffy, and are found on the inner side of the body.
Plants that grow in an area that is neither too wet nor too dry are
xerophytes
mesophytes
epiphytes
hydrophytes
Correct answer is B
No explanation has been provided for this answer.
A health condition that is known to have resulted from gene mutation is
typhoid
rabies
sickle-cell anaemia
sleeping sickness
Correct answer is C
No explanation has been provided for this answer.
100%
75%
50%
25%
Correct answer is C
No explanation has been provided for this answer.
The nephridia in the earthworm form part of the
reproductive system
respiratory system
circulatory system
excretory system
Correct answer is D
In earthworms, members of the phylum Annelida, the excretory system consists of structural units called nephridia (the singular is nephridium).