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.
Water oozing out of plant leaves in a humid environment is a phenomenon known as
transpiration
osmosis
pinocytosis
guttation
Correct answer is D
No explanation has been provided for this answer.
protein
starch
fat
mineral salt
Correct answer is C
No explanation has been provided for this answer.
Trace elements are required by plants mainly for the
formation of pigments and enzymes
production of energy and hormones
manufacture of carbohydrates
manufacture of proteins
Correct answer is A
No explanation has been provided for this answer.
the part of the stomach nearer the gullet is called the
epiglottis
cardiac sphincter
duodenum
pyloric sphincter
Correct answer is B
No explanation has been provided for this answer.
The nitrogenous substance that is excreted by birds in order to conserve water is
ammonia
urea
uric acid
nitric acid
Correct answer is C
No explanation has been provided for this answer.