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 main raw materials required for photosynthesis are
oxygen and water
oxygen and carbon dioxide
oxygen and chlorophyll
carbon dioxide and water
Correct answer is D
No explanation has been provided for this answer.
The brightly coloured petals in some plants is an adaptive colouration for
feeding
pollination
dispersal
shedding
Correct answer is B
No explanation has been provided for this answer.
The major role played by accessory pigments during photosynthesis is to?
add colour to plants but not to trap light energy
trap light energy that chlorophyll cannot absorb
transfer energy from chlorophyll to other pigments
prevent chlorophyll from absorbing unnecessary light
Correct answer is B
Accessory pigments are light-absorbing compounds, found in photosynthetic organisms, that work in conjunction with chlorophyll.
Squirrels easily kill some trees because
they inject poisonous substances into the trees
most trees are susceptible to squirrel bites
they feed voraciously on the roots
they gnaw the bark and destroy
Correct answer is D
No explanation has been provided for this answer.