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 salt solution is more concentrated that the cell sap of the kolanut
the cell sap of the kolanut is more concentrated than the salt solution
the salt solution has the same concentration as the cell sap of the kolanut
kolanut cell can multiply in water
the kolanut lost some water molecules to the salt solution
Correct answer is B
No explanation has been provided for this answer.
Water is required for seed germination to take place because it
activates the enzymes
softens the testa
liberates energy for growth
permits radicle growth
allow oxygen to diffuse into the seed
Correct answer is A
No explanation has been provided for this answer.
a fertilized ovary and other floral parts
a fertilized ovary
a fertilized ovary and calyx
a fertilized ovary and fleshy receptacle
an unfertilized ovary and other floral part
Correct answer is B
No explanation has been provided for this answer.
Which of the following organs produces bile?
Gall bladder
Pancreas
Spleen
Liver
Stomach
Correct answer is D
No explanation has been provided for this answer.
the addition of common salt
boiling for one hour
heating to 75oc for 20 minutes
the addition of vinegar
heating to 100oc for 12 hours
Correct answer is C
No explanation has been provided for this answer.