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.
In photosynthesis, the following processes are part of the light reaction
except
transfer of radiant energy which reduces a co-factor
absorption of radiant energy by chlorophyll
utilization of the energy in the electron transfer chain to form ATP
formation of glucose using energy from NADPH
splitting water into its component parts
Correct answer is D
No explanation has been provided for this answer.
Which of the following organisms is at the tissue level of organization?
Euglena
Paramecium
Volvox
Hydra
Chlamydomonas
Correct answer is D
No explanation has been provided for this answer.
The upward movement of the sap in the xylem vessel is brought about by
transpiration stream
guttation
capillarity
osmosis
cohesion
Correct answer is C
No explanation has been provided for this answer.
The loss of water vapour through the aerial parts of the plant to the atmosphere is called
respiration
guttation
osmoregulation
transpiration
diffusion
Correct answer is D
No explanation has been provided for this answer.
Blood in mammals transports oxygen because it contains the pigment called
haemoglobin
chlorocruorin
melanin
haemocyanin
haemoerythrin
Correct answer is A
No explanation has been provided for this answer.