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 absence of anti-diuretic hormone in humans results in
decreasing dehydration
drastic dehydration
eliminating dehydration
increasing dehydration
Correct answer is D
Too little ADH in your blood may be caused by compulsive water drinking. It can lead to severe dehydration as well.
The sensory cell that responds to dim light is referred to as the
cone
lens
rod
iris
Correct answer is C
No explanation has been provided for this answer.
The most important plant hormone is
cytokinin
abscisic acid
auxin
gibberellin
Correct answer is C
Auxins have a cardinal role in coordinating many growth and behavioral processes in the plant's life cycle and are essential for plant body development.
The gland that is found just below the hypothalamus is the
parathyroid
adrenal
pituitary
thyroid
Correct answer is C
No explanation has been provided for this answer.
The male reproductive organ of a flower is the
carpel
stamen
petal
sepal
Correct answer is B
No explanation has been provided for this answer.