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.
Which hormonal deficiency is likely to cause an accumulation of reducing sugar in the urine?
thyroxine
insulin
secretin
testosterone
Correct answer is B
No explanation has been provided for this answer.
glucose
sucrose
lactose
maltose
Correct answer is A
No explanation has been provided for this answer.
The body temperature of a mammal has to be maintained at a fairly constant level because
excessive heat is continually lost by the body to the environment
their body temperature is always higher than that of the environment
evaporation of sweat cools the body
metabolic activities function best at certain temperature
Correct answer is D
No explanation has been provided for this answer.
Green plants lose water to the atmosphere through the process of
respiration
photosynthesis
transpiration
translocation
Correct answer is C
No explanation has been provided for this answer.
The products of respiration are
nitrogen and water
nitrogen and carbon dioxide
water and oxygen
carbon dioxide and water
Correct answer is D
No explanation has been provided for this answer.