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 modes of nutrition in Nitrobacter, Ascaris, and Homo sapiens respectively are
photosynthetic , parasitic, and holozoic
chemosynthetic, parasitic, and holozoic
photosynthetic, parasitic, and heterophytic
chemosynthetic, holophytic, and holozoic
Correct answer is B
No explanation has been provided for this answer.
Mammals acclimatize to reduced oxygen content at high altitudes by
the stimulation of marrow to reduce the amount of erythrocytes produced
increasing the rate at which erythrocytes are destroyed
the stimulation of marrow to produce more erythrocytes
increasing the break down of the protein portion of the erythrocytes
Correct answer is A
No explanation has been provided for this answer.
The dark reaction of photosynthesis involves
fixation of carbon (IV) oxide to give six-carbon sugar
fixation of carbon (IV) oxide with the help of oxygen
use of carbon (IV) oxide to produce glucose using ATP
fixation of carbon (IV) oxide on chlorophyll using hydrogen
Correct answer is C
No explanation has been provided for this answer.
After a meal of yam has been digested, the highest concentration of glucose is to be found in the
hepatic artery
pulmonary vein
hepatic portal vein
posterior vena cava
Correct answer is C
No explanation has been provided for this answer.
Substance manufactured by the leaves are transported to other parts of the plant through the
phloem
companion cells
sieve tubes
cambium
Correct answer is A
No explanation has been provided for this answer.