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.
Which of the following plant parts does not perform supportive function?
Parenchyma, xylem and collenchyma
Epidermis, sclerenchyma and xylem
Parenchyma, collenchyma and sclerenchyma
Sclerenchyma, xylem and collenchyma
Correct answer is B
No explanation has been provided for this answer.
Which of the following organisms has the largest surface area-to-volume ratio?
Man
Earthworm
Amoeba
Grasshopper
Correct answer is C
No explanation has been provided for this answer.
The following are the functions of supporting tissues in plant except
rigidity
flexibility
strengthening
secretory
Correct answer is D
No explanation has been provided for this answer.
In which of the following organisms is ammonia excreted as a waste product?
Man
Bird
Amoeba
Spirogyra
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements is incorrect about diffusion?
It involves degradation of soluble particles in solvents
it occurs mainly in gaseous and liquid media
No membrane is needed to effect the movement of molecules
Molecules move from region of lower concentration to that of higher concentration
Correct answer is D
No explanation has been provided for this answer.