2020 - JAMB Biology Past Questions and Answers - page 1
The hormone which regulates the amount of glucose in the blood us called?
Adrenalin
Auxin
Insulin
Thyroxine
Deamination occurs in the?
Kidney
Pancreas
Spleen
Liver
In an agricultural ecosystem, the biotic component consist of
crops, pests and beneficial insects
crops, temperature and humidity
pests, beneficial insects and water
crops, water and soil
Epiphytes growing on the branches of trees provide an example of the relationship known as?
parasitism
commensalism
saprophytism
holophytism
The hypha of rhizopus is said to be non-septate because it
does not contain chloropyll
has no cross wall
is vacuoled
stores oil globus
The function of ribosome in cells is
protein synthesis
starch synthesis
transport of material
lipid storage
In which of the following does external fertilization take place?
toad
lizard
bird
cockroach
The villus in the small intestine is significant because
Increases the surface area for absorption
increases the surface area for digestion
assists in mixing digested food
assists in filtering undigested food
The butterfly is of great economic importance because
of it's use in scientific studies
it sucks nectar from flowers
it adds to the beauty of the environment
it pollinates flowers of crops and other plants
The bright colours of the comb and feathers in the peacock are for?
sex differentiation
beauty
courtship
defence