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 lime water in container C turned milky because
Carbon dioxide was produced by the plant during respiration
Carbon dioxide entered through the filter pump
Oxygen reacts with lime water to produce milkiness
Soda lime did not remove carbon dioxide from the air
The delivery tubes were not well connected
Correct answer is A
Carbon dioxide was produced by the plant during respiration.
Use the diagram below to answer this question.
The male inflorescence is labelled
i
ii
iii
iv
Correct answer is A
No explanation has been provided for this answer.
The diagram is the transverse section of a
monocotyledonous stem
dicotyledonous stem
monocotyledonous root
dicotyledonous root
Correct answer is D
No explanation has been provided for this answer.
In the diagram, the part labelled I is the
xylem
phloem
root hairs
cortex
Correct answer is C
No explanation has been provided for this answer.
In the diagram, the young proglottid is represented by
iii
iv
i
ii
Correct answer is B
No explanation has been provided for this answer.