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 correct sequence for the perception of smell in mammals is
chemicals → olfactory nerve endings → brain
dissolved chemicals → nasal sensory cell → brain
chemicals → mucus membrane → sensory cells→ brain
dissolved chemicals → sensory cells → olfactory nerve → brain
Correct answer is D
No explanation has been provided for this answer.
Bacteria multiply rapidly by means of
budding
fragmentation
binary fission
spore formation
Correct answer is C
No explanation has been provided for this answer.
In epigeal germination, the cotyledons are
carried above the ground by the elongation hypocotyl
pulled underground by the elongating epicotyl
pulled underground by the elongating epicotyl
carried above the ground by the elongating epicotyl
Correct answer is A
No explanation has been provided for this answer.
feed on the nectar
deposit pollen on the stigma
pollinate the flowers
transfer pollen from anthers
Correct answer is A
No explanation has been provided for this answer.
Fertilization in humans usually takes place in the
lower part of the uterus
upper part of the uterus
lower part of the oviduct
upper part of the oviduct
Correct answer is D
No explanation has been provided for this answer.