2020 - JAMB Biology Past Questions and Answers - page 4
The noticeable adaptation of the animal to it's aquatic habitat is the possession of
webbed digits
four limb
wide mouth
large eyes
Paternity disputes can most accurately be resolved through the use of
blood group typing
finger printing
tongue rolling
DNA Analysis
Paternal testing is a DNA blood test to confirm the biological relationship between a presupposed father and a child/children.
Use the table below to answer the question.
High relative humidity will be expected in Zones
ii and iv
ii and iii
i and iii
i and iv
Use the table to answer the question.
Which of the zones is likely to be a desert?
i
ii
iii
iv
When bacteria swim from cold to warm regions, this is known as
positive phototaxis
negative phototaxis
positive thermotaxis
negative chemotaxis
The movement of organisms in relation to heat: movement toward a higher temperature is positive thermotaxis and that toward a lower temperature negative thermotaxis.
The only caste in the termite colony whose members can feed themselves are the
workers
reproductives
soldiers
nymphs
Which of the following os the best explanation for a child who is phenotypically short and born of two tall parents
both parent possess genes for shortness
the father possess a gene for shortness
nature makes the child short
None of the above
Which of the following vertebrates has the most simple structured heart
reptile
fish
mammal
Amphibian
Use the diagram to answer the question.
The type of protective adaption exhibited by the animal is
disruptive colouration
flash colouration
countershading colouration
warning colouration
Countershading is a form of concealing colouration in which the upper surfaces of the body are more darkly pigmented than the unilluminated lower areas, giving the body a more uniform darkness and a lack of depth relief.
In disruptive coloration, the identity and location of an animal may be concealed through a coloration pattern that causes visual disruption because the pattern does not coincide with the shape and outline of the animal's body.
Use the diagram to answer the question.
The structure labelled i is
photosensitive
radiosensitive
chemoreceptive
tactile